| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | //go:build cgo |
| 4 | |
| 5 | package db2 |
| 6 | |
| 7 | const ( |
| 8 | // Edition detection queries - each targets specific edition characteristics |
| 9 | queryDetectVersionLUW = `SELECT SERVICE_LEVEL FROM SYSIBMADM.ENV_INST_INFO` |
| 10 | queryDetectVersionI = `SELECT 'DB2 for i' FROM SYSIBM.SYSDUMMY1 WHERE EXISTS (SELECT 1 FROM QSYS2.SYSTABLES WHERE TABLE_SCHEMA = 'QSYS2' FETCH FIRST 1 ROW ONLY)` |
| 11 | queryDetectVersionZOS = `SELECT VERSION FROM SYSIBM.SYSVERSIONS WHERE VERSION_TYPE = 'DB2'` |
| 12 | |
| 13 | queryLockMetrics = ` |
| 14 | SELECT |
| 15 | LOCK_WAITS, |
| 16 | LOCK_TIMEOUTS, |
| 17 | DEADLOCKS, |
| 18 | LOCK_ESCALS, |
| 19 | LOCKS_HELD as LOCK_ACTIVE, |
| 20 | LOCK_WAIT_TIME, |
| 21 | LOCKS_WAITING as LOCK_WAITING_AGENTS, |
| 22 | LOCK_LIST_IN_USE as LOCK_MEMORY_PAGES, |
| 23 | TOTAL_SORTS, |
| 24 | SORT_OVERFLOWS, |
| 25 | ROWS_READ, |
| 26 | ROWS_MODIFIED, |
| 27 | ROWS_SELECTED as ROWS_RETURNED |
| 28 | FROM SYSIBMADM.SNAPDB |
| 29 | ` |
| 30 | |
| 31 | queryBufferpoolAggregateMetrics = ` |
| 32 | SELECT |
| 33 | -- Raw counter values for proper time-series hit ratio calculation |
| 34 | -- We need to subtract async pages as per IBM formula |
| 35 | SUM(POOL_DATA_LBP_PAGES_FOUND - POOL_ASYNC_DATA_LBP_PAGES_FOUND) as DATA_PAGES_FOUND, |
| 36 | SUM(POOL_INDEX_LBP_PAGES_FOUND - POOL_ASYNC_INDEX_LBP_PAGES_FOUND) as INDEX_PAGES_FOUND, |
| 37 | SUM(POOL_XDA_LBP_PAGES_FOUND - POOL_ASYNC_XDA_LBP_PAGES_FOUND) as XDA_PAGES_FOUND, |
| 38 | SUM(POOL_COL_LBP_PAGES_FOUND - POOL_ASYNC_COL_LBP_PAGES_FOUND) as COL_PAGES_FOUND, |
| 39 | SUM(POOL_DATA_L_READS) as DATA_L_READS, |
| 40 | SUM(POOL_INDEX_L_READS) as INDEX_L_READS, |
| 41 | SUM(POOL_XDA_L_READS) as XDA_L_READS, |
| 42 | SUM(POOL_COL_L_READS) as COL_L_READS, |
| 43 | SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS + POOL_XDA_L_READS + POOL_COL_L_READS) as LOGICAL_READS, |
| 44 | SUM(POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS) as PHYSICAL_READS, |
| 45 | SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS + POOL_XDA_L_READS + POOL_COL_L_READS + |
| 46 | POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS) as TOTAL_READS, |
| 47 | -- Detailed read metrics |
| 48 | SUM(POOL_DATA_L_READS) as DATA_LOGICAL_READS, |
| 49 | SUM(POOL_DATA_P_READS) as DATA_PHYSICAL_READS, |
| 50 | SUM(POOL_DATA_L_READS + POOL_DATA_P_READS) as DATA_TOTAL_READS, |
| 51 | SUM(POOL_INDEX_L_READS) as INDEX_LOGICAL_READS, |
| 52 | SUM(POOL_INDEX_P_READS) as INDEX_PHYSICAL_READS, |
| 53 | SUM(POOL_INDEX_L_READS + POOL_INDEX_P_READS) as INDEX_TOTAL_READS, |
| 54 | SUM(POOL_XDA_L_READS) as XDA_LOGICAL_READS, |
| 55 | SUM(POOL_XDA_P_READS) as XDA_PHYSICAL_READS, |
| 56 | SUM(POOL_XDA_L_READS + POOL_XDA_P_READS) as XDA_TOTAL_READS, |
| 57 | SUM(POOL_COL_L_READS) as COLUMN_LOGICAL_READS, |
| 58 | SUM(POOL_COL_P_READS) as COLUMN_PHYSICAL_READS, |
| 59 | SUM(POOL_COL_L_READS + POOL_COL_P_READS) as COLUMN_TOTAL_READS |
| 60 | FROM SYSIBMADM.SNAPBP |
| 61 | ` |
| 62 | |
| 63 | queryLogSpaceMetrics = ` |
| 64 | SELECT |
| 65 | TOTAL_LOG_USED, |
| 66 | TOTAL_LOG_AVAILABLE, |
| 67 | CASE |
| 68 | WHEN (TOTAL_LOG_USED + TOTAL_LOG_AVAILABLE) > 0 |
| 69 | THEN (TOTAL_LOG_USED * 100) / (TOTAL_LOG_USED + TOTAL_LOG_AVAILABLE) |
| 70 | ELSE 0 |
| 71 | END as LOG_UTILIZATION, |
| 72 | (SELECT SUM(LOG_READS) FROM SYSIBMADM.SNAPDB) as LOG_READS, |
| 73 | (SELECT SUM(LOG_WRITES) FROM SYSIBMADM.SNAPDB) as LOG_WRITES |
| 74 | FROM SYSIBMADM.LOG_UTILIZATION |
| 75 | ` |
| 76 | |
| 77 | queryLongRunningQueries = ` |
| 78 | SELECT |
| 79 | COUNT(*) as TOTAL_COUNT, |
| 80 | SUM(CASE WHEN ELAPSED_TIME_MIN >= 5 AND ELAPSED_TIME_MIN < 15 THEN 1 ELSE 0 END) as WARNING_COUNT, |
| 81 | SUM(CASE WHEN ELAPSED_TIME_MIN >= 15 THEN 1 ELSE 0 END) as CRITICAL_COUNT |
| 82 | FROM SYSIBMADM.LONG_RUNNING_SQL |
| 83 | WHERE ELAPSED_TIME_MIN > 0 |
| 84 | ` |
| 85 | |
| 86 | queryBackupStatus = ` |
| 87 | SELECT |
| 88 | OPERATION, |
| 89 | START_TIME, |
| 90 | OPERATIONTYPE, |
| 91 | SQLCODE |
| 92 | FROM SYSIBMADM.DB_HISTORY |
| 93 | WHERE OPERATION = 'B' |
| 94 | AND START_TIME >= CURRENT TIMESTAMP - %d DAYS |
| 95 | ORDER BY START_TIME DESC |
| 96 | FETCH FIRST 10 ROWS ONLY |
| 97 | ` |
| 98 | queryBackupStatusSimple = ` |
| 99 | SELECT |
| 100 | MAX(START_TIME) as LAST_BACKUP |
| 101 | FROM SYSIBMADM.DB_HISTORY |
| 102 | WHERE OPERATION = 'B' AND SQLCODE = 0 |
| 103 | ` |
| 104 | |
| 105 | queryDatabaseInstances = ` |
| 106 | SELECT |
| 107 | DB_NAME, |
| 108 | DB_STATUS, |
| 109 | APPLS_CUR_CONS |
| 110 | FROM SYSIBMADM.SNAPDB |
| 111 | ` |
| 112 | |
| 113 | queryBufferpoolInstances = ` |
| 114 | SELECT |
| 115 | BP_NAME, |
| 116 | PAGESIZE, |
| 117 | NPAGES as TOTAL_PAGES, |
| 118 | NPAGES - FREE_PAGES as USED_PAGES, |
| 119 | -- Raw counters for hit/miss calculation |
| 120 | POOL_DATA_LBP_PAGES_FOUND - POOL_ASYNC_DATA_LBP_PAGES_FOUND as DATA_PAGES_FOUND, |
| 121 | POOL_INDEX_LBP_PAGES_FOUND - POOL_ASYNC_INDEX_LBP_PAGES_FOUND as INDEX_PAGES_FOUND, |
| 122 | POOL_XDA_LBP_PAGES_FOUND - POOL_ASYNC_XDA_LBP_PAGES_FOUND as XDA_PAGES_FOUND, |
| 123 | POOL_COL_LBP_PAGES_FOUND - POOL_ASYNC_COL_LBP_PAGES_FOUND as COL_PAGES_FOUND, |
| 124 | -- Read metrics |
| 125 | POOL_DATA_L_READS + POOL_INDEX_L_READS + POOL_XDA_L_READS + POOL_COL_L_READS as LOGICAL_READS, |
| 126 | POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS as PHYSICAL_READS, |
| 127 | POOL_DATA_L_READS + POOL_INDEX_L_READS + POOL_XDA_L_READS + POOL_COL_L_READS + |
| 128 | POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS as TOTAL_READS, |
| 129 | POOL_DATA_L_READS as DATA_LOGICAL_READS, |
| 130 | POOL_DATA_P_READS as DATA_PHYSICAL_READS, |
| 131 | POOL_INDEX_L_READS as INDEX_LOGICAL_READS, |
| 132 | POOL_INDEX_P_READS as INDEX_PHYSICAL_READS, |
| 133 | POOL_XDA_L_READS as XDA_LOGICAL_READS, |
| 134 | POOL_XDA_P_READS as XDA_PHYSICAL_READS, |
| 135 | POOL_COL_L_READS as COLUMN_LOGICAL_READS, |
| 136 | POOL_COL_P_READS as COLUMN_PHYSICAL_READS, |
| 137 | -- Write metrics |
| 138 | POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS as WRITES |
| 139 | FROM SYSIBMADM.SNAPBP |
| 140 | ` |
| 141 | |
| 142 | queryTablespaceInstances = ` |
| 143 | SELECT |
| 144 | TBSP_NAME, |
| 145 | TBSP_TYPE, |
| 146 | TBSP_CONTENT_TYPE, |
| 147 | TBSP_STATE, |
| 148 | TBSP_TOTAL_SIZE_KB * 1024 as TOTAL_SIZE, |
| 149 | TBSP_USED_SIZE_KB * 1024 as USED_SIZE, |
| 150 | TBSP_FREE_SIZE_KB * 1024 as FREE_SIZE, |
| 151 | TBSP_USABLE_SIZE_KB * 1024 as USABLE_SIZE, |
| 152 | CASE |
| 153 | WHEN TBSP_TOTAL_SIZE_KB > 0 |
| 154 | THEN (TBSP_USED_SIZE_KB * 100) / TBSP_TOTAL_SIZE_KB |
| 155 | ELSE 0 |
| 156 | END as USED_PERCENT, |
| 157 | TBSP_PAGE_SIZE |
| 158 | FROM SYSIBMADM.TBSP_UTILIZATION |
| 159 | WHERE TBSP_TYPE = 'DMS' |
| 160 | ` |
| 161 | |
| 162 | queryConnectionInstances = ` |
| 163 | SELECT |
| 164 | APPLICATION_ID, |
| 165 | APPLICATION_NAME, |
| 166 | CLIENT_HOSTNAME, |
| 167 | SESSION_AUTH_ID, |
| 168 | APPL_STATUS, |
| 169 | UOW_COMP_STATUS, |
| 170 | ROWS_READ, |
| 171 | ROWS_WRITTEN, |
| 172 | TOTAL_CPU_TIME |
| 173 | FROM SYSIBMADM.APPLICATIONS |
| 174 | WHERE APPL_STATUS IN ('CONNECTED', 'UOWEXEC') |
| 175 | ` |
| 176 | |
| 177 | // Table metrics using MON_GET_TABLE |
| 178 | queryTableInstances = ` |
| 179 | SELECT |
| 180 | T.TABSCHEMA, |
| 181 | T.TABNAME, |
| 182 | T.DATA_OBJECT_L_PAGES as DATA_OBJECT_P_SIZE, |
| 183 | T.INDEX_OBJECT_L_PAGES as INDEX_OBJECT_P_SIZE, |
| 184 | T.LOB_OBJECT_L_PAGES as LONG_OBJECT_P_SIZE, |
| 185 | T.ROWS_READ, |
| 186 | T.ROWS_INSERTED + T.ROWS_UPDATED + T.ROWS_DELETED as ROWS_WRITTEN |
| 187 | FROM TABLE(MON_GET_TABLE('','',-2)) AS T |
| 188 | WHERE T.TABSCHEMA NOT LIKE 'SYS%' |
| 189 | ` |
| 190 | |
| 191 | // Index metrics using MON_GET_INDEX |
| 192 | queryIndexInstances = ` |
| 193 | SELECT |
| 194 | I.TABSCHEMA as INDSCHEMA, |
| 195 | CAST(I.IID AS VARCHAR(128)) as INDNAME, |
| 196 | I.NLEAF, |
| 197 | I.INDEX_SCANS, |
| 198 | I.INDEX_ONLY_SCANS as FULL_SCANS |
| 199 | FROM TABLE(MON_GET_INDEX('','',-2)) AS I |
| 200 | WHERE I.TABSCHEMA NOT LIKE 'SYS%' |
| 201 | ` |
| 202 | |
| 203 | queryDatabaseStatus = ` |
| 204 | SELECT |
| 205 | CASE |
| 206 | WHEN EXISTS (SELECT 1 FROM SYSIBMADM.SNAPDB WHERE DB_STATUS = 'ACTIVE') THEN 0 |
| 207 | WHEN EXISTS (SELECT 1 FROM SYSIBMADM.SNAPDB WHERE DB_STATUS = 'QUIESCED') THEN 2 |
| 208 | WHEN EXISTS (SELECT 1 FROM SYSIBMADM.SNAPDB WHERE DB_STATUS IN ('QUIESCE_PENDING', 'ROLLFORWARD')) THEN 1 |
| 209 | ELSE 3 |
| 210 | END as DB_STATUS_CHECK |
| 211 | FROM SYSIBM.SYSDUMMY1 |
| 212 | ` |
| 213 | |
| 214 | queryCanConnect = `SELECT 1 as CAN_CONNECT FROM SYSIBM.SYSDUMMY1` |
| 215 | |
| 216 | // Individual metric queries for resilience (following AS/400 pattern) |
| 217 | // Core connection metrics - should always be available on LUW |
| 218 | queryTotalConnections = `SELECT COUNT(*) FROM SYSIBMADM.APPLICATIONS` |
| 219 | queryActiveConnections = `SELECT COUNT(*) FROM SYSIBMADM.APPLICATIONS WHERE APPL_STATUS = 'CONNECTED'` |
| 220 | queryExecutingConnections = `SELECT COUNT(*) FROM SYSIBMADM.APPLICATIONS WHERE APPL_STATUS = 'UOWEXEC'` |
| 221 | queryIdleConnections = `SELECT COUNT(*) FROM SYSIBMADM.APPLICATIONS WHERE APPL_STATUS = 'CONNECTED' AND UOW_COMP_STATUS = 'NONE'` |
| 222 | queryMaxConnections = `SELECT COALESCE(NULLIF(VALUE, 'AUTOMATIC'), '40') FROM SYSIBMADM.DBCFG WHERE NAME = 'maxappls'` |
| 223 | |
| 224 | // Core lock metrics - should be available on most DB2 editions |
| 225 | queryLockWaits = `SELECT SUM(LOCK_WAITS) FROM SYSIBMADM.SNAPDB` |
| 226 | queryLockTimeouts = `SELECT SUM(LOCK_TIMEOUTS) FROM SYSIBMADM.SNAPDB` |
| 227 | queryDeadlocks = `SELECT SUM(DEADLOCKS) FROM SYSIBMADM.SNAPDB` |
| 228 | queryLockEscalations = `SELECT SUM(LOCK_ESCALS) FROM SYSIBMADM.SNAPDB` |
| 229 | queryActiveLocks = `SELECT SUM(LOCKS_HELD) FROM SYSIBMADM.SNAPDB` |
| 230 | queryLockWaitTime = `SELECT SUM(LOCK_WAIT_TIME) FROM SYSIBMADM.SNAPDB` |
| 231 | queryLockWaitingAgents = `SELECT SUM(LOCKS_WAITING) FROM SYSIBMADM.SNAPDB` |
| 232 | queryLockMemoryPages = `SELECT SUM(LOCK_LIST_IN_USE) FROM SYSIBMADM.SNAPDB` |
| 233 | |
| 234 | // Sorting metrics |
| 235 | queryTotalSorts = `SELECT SUM(TOTAL_SORTS) FROM SYSIBMADM.SNAPDB` |
| 236 | querySortOverflows = `SELECT SUM(SORT_OVERFLOWS) FROM SYSIBMADM.SNAPDB` |
| 237 | |
| 238 | // Row activity metrics |
| 239 | queryRowsRead = `SELECT SUM(ROWS_READ) FROM SYSIBMADM.SNAPDB` |
| 240 | queryRowsModified = `SELECT SUM(ROWS_MODIFIED) FROM SYSIBMADM.SNAPDB` |
| 241 | queryRowsReturned = `SELECT SUM(ROWS_SELECTED) FROM SYSIBMADM.SNAPDB` |
| 242 | |
| 243 | // Log space metrics |
| 244 | queryLogUsedSpace = `SELECT SUM(TOTAL_LOG_USED) FROM SYSIBMADM.LOG_UTILIZATION` |
| 245 | queryLogAvailableSpace = `SELECT SUM(TOTAL_LOG_AVAILABLE) FROM SYSIBMADM.LOG_UTILIZATION` |
| 246 | queryLogReads = `SELECT SUM(LOG_READS) FROM SYSIBMADM.SNAPDB` |
| 247 | queryLogWrites = `SELECT SUM(LOG_WRITES) FROM SYSIBMADM.SNAPDB` |
| 248 | |
| 249 | // Buffer pool aggregate metrics |
| 250 | queryBufferpoolLogicalReads = `SELECT SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS + POOL_XDA_L_READS + POOL_COL_L_READS) FROM SYSIBMADM.SNAPBP` |
| 251 | queryBufferpoolPhysicalReads = `SELECT SUM(POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS) FROM SYSIBMADM.SNAPBP` |
| 252 | queryBufferpoolDataLogical = `SELECT SUM(POOL_DATA_L_READS) FROM SYSIBMADM.SNAPBP` |
| 253 | queryBufferpoolDataPhysical = `SELECT SUM(POOL_DATA_P_READS) FROM SYSIBMADM.SNAPBP` |
| 254 | queryBufferpoolIndexLogical = `SELECT SUM(POOL_INDEX_L_READS) FROM SYSIBMADM.SNAPBP` |
| 255 | queryBufferpoolIndexPhysical = `SELECT SUM(POOL_INDEX_P_READS) FROM SYSIBMADM.SNAPBP` |
| 256 | queryBufferpoolXDALogical = `SELECT SUM(POOL_XDA_L_READS) FROM SYSIBMADM.SNAPBP` |
| 257 | queryBufferpoolXDAPhysical = `SELECT SUM(POOL_XDA_P_READS) FROM SYSIBMADM.SNAPBP` |
| 258 | queryBufferpoolColumnLogical = `SELECT SUM(POOL_COL_L_READS) FROM SYSIBMADM.SNAPBP` |
| 259 | queryBufferpoolColumnPhysical = `SELECT SUM(POOL_COL_P_READS) FROM SYSIBMADM.SNAPBP` |
| 260 | |
| 261 | // Hit ratio components for calculation |
| 262 | queryBufferpoolDataHits = `SELECT SUM(POOL_DATA_LBP_PAGES_FOUND) FROM SYSIBMADM.SNAPBP` |
| 263 | queryBufferpoolIndexHits = `SELECT SUM(POOL_INDEX_LBP_PAGES_FOUND) FROM SYSIBMADM.SNAPBP` |
| 264 | queryBufferpoolXDAHits = `SELECT SUM(POOL_XDA_LBP_PAGES_FOUND) FROM SYSIBMADM.SNAPBP` |
| 265 | queryBufferpoolColumnHits = `SELECT SUM(POOL_COL_LBP_PAGES_FOUND) FROM SYSIBMADM.SNAPBP` |
| 266 | |
| 267 | // Long running queries |
| 268 | queryLongRunningTotal = `SELECT COUNT(*) FROM SYSIBMADM.LONG_RUNNING_SQL WHERE ELAPSED_TIME_MIN > 0` |
| 269 | queryLongRunningWarning = `SELECT COUNT(*) FROM SYSIBMADM.LONG_RUNNING_SQL WHERE ELAPSED_TIME_MIN >= 5 AND ELAPSED_TIME_MIN < 15` |
| 270 | queryLongRunningCritical = `SELECT COUNT(*) FROM SYSIBMADM.LONG_RUNNING_SQL WHERE ELAPSED_TIME_MIN >= 15` |
| 271 | |
| 272 | // Modern MON_GET_* function queries (DB2 9.7+ LUW) |
| 273 | // These provide better performance and real-time data compared to SNAP* views |
| 274 | |
| 275 | // Database-level metrics using MON_GET_DATABASE |
| 276 | queryMonGetDatabase = ` |
| 277 | SELECT |
| 278 | SUM(LOCK_WAITS) as LOCK_WAITS, |
| 279 | SUM(LOCK_TIMEOUTS) as LOCK_TIMEOUTS, |
| 280 | SUM(DEADLOCKS) as DEADLOCKS, |
| 281 | SUM(LOCK_ESCALS) as LOCK_ESCALS, |
| 282 | SUM(NUM_LOCKS_HELD) as LOCK_ACTIVE, |
| 283 | SUM(LOCK_WAIT_TIME) as LOCK_WAIT_TIME, |
| 284 | SUM(NUM_LOCKS_WAITING) as LOCK_WAITING_AGENTS, |
| 285 | SUM(LOCK_LIST_IN_USE) as LOCK_MEMORY_PAGES, |
| 286 | SUM(TOTAL_SORTS) as TOTAL_SORTS, |
| 287 | SUM(SORT_OVERFLOWS) as SORT_OVERFLOWS, |
| 288 | SUM(ROWS_READ) as ROWS_READ, |
| 289 | SUM(ROWS_MODIFIED) as ROWS_MODIFIED, |
| 290 | SUM(ROWS_RETURNED) as ROWS_RETURNED |
| 291 | FROM TABLE(MON_GET_DATABASE(-2)) AS T |
| 292 | ` |
| 293 | |
| 294 | // Buffer pool metrics using MON_GET_BUFFERPOOL |
| 295 | queryMonGetBufferpool = ` |
| 296 | SELECT |
| 297 | BP_NAME, |
| 298 | POOL_DATA_L_READS, |
| 299 | POOL_DATA_P_READS, |
| 300 | POOL_INDEX_L_READS, |
| 301 | POOL_INDEX_P_READS, |
| 302 | POOL_XDA_L_READS, |
| 303 | POOL_XDA_P_READS, |
| 304 | POOL_COL_L_READS, |
| 305 | POOL_COL_P_READS, |
| 306 | POOL_DATA_LBP_PAGES_FOUND, |
| 307 | POOL_INDEX_LBP_PAGES_FOUND, |
| 308 | POOL_XDA_LBP_PAGES_FOUND, |
| 309 | POOL_COL_LBP_PAGES_FOUND, |
| 310 | AUTOMATIC, |
| 311 | BP_CUR_BUFFSZ as POOL_CUR_SIZE, |
| 312 | 0 as POOL_WATERMARK |
| 313 | FROM TABLE(MON_GET_BUFFERPOOL('',-2)) AS T |
| 314 | ` |
| 315 | |
| 316 | // Aggregate buffer pool metrics - use MON_GET approach (hits = logical - physical) |
| 317 | queryMonGetBufferpoolAggregate = ` |
| 318 | SELECT |
| 319 | SUM(POOL_DATA_L_READS) as DATA_LOGICAL_READS, |
| 320 | SUM(POOL_DATA_P_READS) as DATA_PHYSICAL_READS, |
| 321 | SUM(POOL_INDEX_L_READS) as INDEX_LOGICAL_READS, |
| 322 | SUM(POOL_INDEX_P_READS) as INDEX_PHYSICAL_READS, |
| 323 | SUM(POOL_XDA_L_READS) as XDA_LOGICAL_READS, |
| 324 | SUM(POOL_XDA_P_READS) as XDA_PHYSICAL_READS, |
| 325 | SUM(POOL_COL_L_READS) as COLUMN_LOGICAL_READS, |
| 326 | SUM(POOL_COL_P_READS) as COLUMN_PHYSICAL_READS, |
| 327 | SUM(POOL_DATA_L_READS - POOL_DATA_P_READS) as DATA_HITS, |
| 328 | SUM(POOL_INDEX_L_READS - POOL_INDEX_P_READS) as INDEX_HITS, |
| 329 | SUM(POOL_XDA_L_READS - POOL_XDA_P_READS) as XDA_HITS, |
| 330 | SUM(POOL_COL_L_READS - POOL_COL_P_READS) as COLUMN_HITS, |
| 331 | SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES + POOL_XDA_WRITES) as TOTAL_WRITES |
| 332 | FROM TABLE(MON_GET_BUFFERPOOL('',-2)) AS T |
| 333 | ` |
| 334 | |
| 335 | // Transaction log metrics using MON_GET_TRANSACTION_LOG |
| 336 | queryMonGetTransactionLog = ` |
| 337 | SELECT |
| 338 | TOTAL_LOG_USED as TOTAL_LOG_USED, |
| 339 | TOTAL_LOG_AVAILABLE as TOTAL_LOG_AVAILABLE, |
| 340 | CASE |
| 341 | WHEN TOTAL_LOG_AVAILABLE > 0 |
| 342 | THEN (TOTAL_LOG_USED * 100) / TOTAL_LOG_AVAILABLE |
| 343 | ELSE 0 |
| 344 | END as LOG_UTILIZATION, |
| 345 | LOG_READS as LOG_READS, |
| 346 | LOG_WRITES as LOG_WRITES |
| 347 | FROM TABLE(MON_GET_TRANSACTION_LOG(-2)) AS T |
| 348 | WHERE MEMBER = 0 |
| 349 | ` |
| 350 | |
| 351 | // Tablespace metrics using MON_GET_TABLESPACE |
| 352 | queryMonGetTablespace = ` |
| 353 | SELECT |
| 354 | TBSP_NAME, |
| 355 | TBSP_TYPE, |
| 356 | TBSP_CONTENT_TYPE, |
| 357 | TBSP_STATE, |
| 358 | TBSP_TOTAL_PAGES * TBSP_PAGE_SIZE as TOTAL_SIZE, |
| 359 | TBSP_USED_PAGES * TBSP_PAGE_SIZE as USED_SIZE, |
| 360 | TBSP_FREE_PAGES * TBSP_PAGE_SIZE as FREE_SIZE, |
| 361 | (TBSP_TOTAL_PAGES - TBSP_PENDING_FREE_PAGES) * TBSP_PAGE_SIZE as USABLE_SIZE, |
| 362 | CASE |
| 363 | WHEN TBSP_TOTAL_PAGES > 0 |
| 364 | THEN (TBSP_USED_PAGES * 100) / TBSP_TOTAL_PAGES |
| 365 | ELSE 0 |
| 366 | END as USED_PERCENT, |
| 367 | TBSP_PAGE_SIZE |
| 368 | FROM TABLE(MON_GET_TABLESPACE('',-2)) AS T |
| 369 | WHERE TBSP_TYPE = 'DMS' |
| 370 | ` |
| 371 | |
| 372 | // Connection metrics using MON_GET_CONNECTION |
| 373 | queryMonGetConnections = ` |
| 374 | SELECT |
| 375 | COUNT(*) as TOTAL_CONNS, |
| 376 | SUM(CASE WHEN APPLICATION_HANDLE IS NOT NULL THEN 1 ELSE 0 END) as ACTIVE_CONNS, |
| 377 | SUM(CASE WHEN CLIENT_IDLE_WAIT_TIME > 0 THEN 1 ELSE 0 END) as IDLE_CONNS, |
| 378 | SUM(CASE WHEN UOW_START_TIME IS NOT NULL THEN 1 ELSE 0 END) as EXECUTING_CONNS |
| 379 | FROM TABLE(MON_GET_CONNECTION(NULL,-2)) AS T |
| 380 | ` |
| 381 | |
| 382 | // Individual connection details |
| 383 | // FIXED: Removed dynamic "top X" ORDER BY + FETCH FIRST pattern for stable time-series |
| 384 | queryMonGetConnectionDetails = ` |
| 385 | SELECT |
| 386 | APPLICATION_ID, |
| 387 | APPLICATION_NAME, |
| 388 | CLIENT_HOSTNAME, |
| 389 | CLIENT_IPADDR, |
| 390 | SESSION_AUTH_ID, |
| 391 | CASE |
| 392 | WHEN UOW_START_TIME IS NOT NULL THEN 'UOWEXEC' |
| 393 | ELSE 'CONNECTED' |
| 394 | END as APPL_STATUS, |
| 395 | ROWS_READ, |
| 396 | ROWS_MODIFIED + ROWS_INSERTED + ROWS_UPDATED + ROWS_DELETED as ROWS_WRITTEN, |
| 397 | TOTAL_CPU_TIME |
| 398 | FROM TABLE(MON_GET_CONNECTION(NULL,-2)) AS T |
| 399 | -- WHERE APPLICATION_HANDLE IS NOT NULL |
| 400 | ` |
| 401 | |
| 402 | // Memory pool monitoring using MON_GET_MEMORY_POOL |
| 403 | queryMonGetMemoryPool = ` |
| 404 | SELECT |
| 405 | MEMORY_SET_TYPE, |
| 406 | MEMORY_POOL_TYPE, |
| 407 | MEMORY_POOL_USED, |
| 408 | MEMORY_POOL_USED_HWM |
| 409 | FROM TABLE(MON_GET_MEMORY_POOL('DATABASE', '', -2)) AS T |
| 410 | ORDER BY MEMORY_POOL_USED DESC |
| 411 | ` |
| 412 | |
| 413 | // Instance Memory Sets monitoring (Screen 26) using MON_GET_MEMORY_SET |
| 414 | // FIXED: Removed dynamic "top X" ORDER BY + FETCH FIRST pattern for stable time-series |
| 415 | queryMonGetMemorySet = ` |
| 416 | SELECT |
| 417 | HOST_NAME, |
| 418 | DB_NAME, |
| 419 | MEMORY_SET_TYPE, |
| 420 | MEMBER, |
| 421 | MEMORY_SET_USED, |
| 422 | MEMORY_SET_COMMITTED, |
| 423 | MEMORY_SET_USED_HWM, |
| 424 | (MEMORY_SET_COMMITTED - MEMORY_SET_USED) as ADDITIONAL_COMMITTED, |
| 425 | CASE |
| 426 | WHEN MEMORY_SET_USED_HWM > 0 |
| 427 | THEN (MEMORY_SET_USED * 100) / MEMORY_SET_USED_HWM |
| 428 | ELSE 0 |
| 429 | END as PERCENT_USED_HWM |
| 430 | FROM TABLE(MON_GET_MEMORY_SET(NULL, NULL, -2)) AS T |
| 431 | ` |
| 432 | |
| 433 | // Enhanced connection wait metrics |
| 434 | // FIXED: Removed dynamic "top X" ORDER BY + FETCH FIRST pattern for stable time-series |
| 435 | queryMonGetConnectionWaits = ` |
| 436 | SELECT |
| 437 | APPLICATION_ID, |
| 438 | TOTAL_WAIT_TIME, |
| 439 | LOCK_WAIT_TIME, |
| 440 | DIRECT_READ_TIME + DIRECT_WRITE_TIME as IO_WAIT_TIME, |
| 441 | CLIENT_IDLE_WAIT_TIME, |
| 442 | TOTAL_RQST_TIME, |
| 443 | TOTAL_ACT_TIME |
| 444 | FROM TABLE(MON_GET_CONNECTION(NULL, -2)) AS T |
| 445 | WHERE APPLICATION_HANDLE IS NOT NULL |
| 446 | AND TOTAL_WAIT_TIME > 0 |
| 447 | ` |
| 448 | |
| 449 | // Table I/O statistics using MON_GET_TABLE |
| 450 | // FIXED: Removed dynamic "top X" ORDER BY + FETCH FIRST pattern for stable time-series |
| 451 | queryMonGetTable = ` |
| 452 | SELECT |
| 453 | TABSCHEMA, |
| 454 | TABNAME, |
| 455 | TABLE_SCANS, |
| 456 | ROWS_READ, |
| 457 | ROWS_INSERTED, |
| 458 | ROWS_UPDATED, |
| 459 | ROWS_DELETED, |
| 460 | OVERFLOW_ACCESSES |
| 461 | FROM TABLE(MON_GET_TABLE(NULL, NULL, -2)) AS T |
| 462 | ` |
| 463 | |
| 464 | // Enhanced buffer pool metrics |
| 465 | queryMonGetBufferpoolEnhanced = ` |
| 466 | SELECT |
| 467 | BP_NAME, |
| 468 | POOL_DATA_L_READS, |
| 469 | POOL_DATA_P_READS, |
| 470 | POOL_INDEX_L_READS, |
| 471 | POOL_INDEX_P_READS, |
| 472 | POOL_XDA_L_READS, |
| 473 | POOL_XDA_P_READS, |
| 474 | POOL_COL_L_READS, |
| 475 | POOL_COL_P_READS, |
| 476 | POOL_DATA_LBP_PAGES_FOUND, |
| 477 | POOL_INDEX_LBP_PAGES_FOUND, |
| 478 | POOL_XDA_LBP_PAGES_FOUND, |
| 479 | POOL_COL_LBP_PAGES_FOUND, |
| 480 | POOL_ASYNC_DATA_READS, |
| 481 | POOL_ASYNC_DATA_WRITES, |
| 482 | POOL_ASYNC_INDEX_READS, |
| 483 | POOL_ASYNC_INDEX_WRITES, |
| 484 | POOL_ASYNC_XDA_READS, |
| 485 | POOL_ASYNC_XDA_WRITES, |
| 486 | PREFETCH_WAIT_TIME, |
| 487 | POOL_DRTY_PG_STEAL_CLNS, |
| 488 | POOL_DRTY_PG_THRSH_CLNS, |
| 489 | AUTOMATIC, |
| 490 | BP_CUR_BUFFSZ as POOL_CUR_SIZE, |
| 491 | 0 as POOL_WATERMARK |
| 492 | FROM TABLE(MON_GET_BUFFERPOOL('',-2)) AS T |
| 493 | ` |
| 494 | |
| 495 | // Database Overview queries (Screen 01) |
| 496 | queryDatabaseOverview = ` |
| 497 | WITH CPU_METRICS AS ( |
| 498 | SELECT |
| 499 | CPU_USER * 100 AS CPU_USER_PERCENT, |
| 500 | CPU_SYSTEM * 100 AS CPU_SYSTEM_PERCENT, |
| 501 | CPU_IDLE * 100 AS CPU_IDLE_PERCENT, |
| 502 | CPU_IOWAIT * 100 AS CPU_IOWAIT_PERCENT |
| 503 | FROM TABLE(SYSPROC.ENV_GET_SYSTEM_RESOURCES()) AS T |
| 504 | ), |
| 505 | CONNECTION_METRICS AS ( |
| 506 | SELECT |
| 507 | SUM(CASE WHEN APPLICATION_HANDLE IS NOT NULL THEN 1 ELSE 0 END) AS CONNECTIONS_ACTIVE, |
| 508 | COUNT(*) AS CONNECTIONS_TOTAL |
| 509 | FROM TABLE(MON_GET_CONNECTION(NULL, -2)) AS T |
| 510 | ), |
| 511 | MEMORY_METRICS AS ( |
| 512 | SELECT |
| 513 | SUM(CASE WHEN MEMORY_SET_TYPE = 'DATABASE' THEN MEMORY_SET_COMMITTED ELSE 0 END) AS MEMORY_DATABASE_COMMITTED, |
| 514 | SUM(CASE WHEN MEMORY_SET_TYPE = 'INSTANCE' THEN MEMORY_SET_COMMITTED ELSE 0 END) AS MEMORY_INSTANCE_COMMITTED, |
| 515 | (SELECT SUM(MEMORY_POOL_USED) FROM TABLE(MON_GET_MEMORY_POOL('DATABASE', '', -2)) WHERE MEMORY_POOL_TYPE = 'BP') AS MEMORY_BUFFERPOOL_USED, |
| 516 | (SELECT SUM(MEMORY_POOL_USED) FROM TABLE(MON_GET_MEMORY_POOL('DATABASE', '', -2)) WHERE MEMORY_POOL_TYPE = 'SHARED_SORT') AS MEMORY_SHARED_SORT_USED |
| 517 | FROM TABLE(MON_GET_MEMORY_SET(NULL, NULL, -2)) |
| 518 | ), |
| 519 | THROUGHPUT_METRICS AS ( |
| 520 | SELECT |
| 521 | SUM(SELECT_SQL_STMTS) AS OPS_SELECT_STMTS, |
| 522 | SUM(UID_SQL_STMTS) AS OPS_UID_STMTS, |
| 523 | SUM(TOTAL_APP_COMMITS + TOTAL_APP_ROLLBACKS) AS OPS_TRANSACTIONS, |
| 524 | 0 AS OPS_ACTIVITIES_ABORTED |
| 525 | FROM TABLE(MON_GET_SERVICE_SUBCLASS(NULL, NULL, -2)) |
| 526 | ), |
| 527 | TIME_SPENT AS ( |
| 528 | SELECT |
| 529 | CASE WHEN SUM(DIRECT_READS) > 0 |
| 530 | THEN SUM(DIRECT_READ_TIME) / SUM(DIRECT_READS) ELSE 0 END AS TIME_AVG_DIRECT_READ, |
| 531 | CASE WHEN SUM(DIRECT_WRITES) > 0 |
| 532 | THEN SUM(DIRECT_WRITE_TIME) / SUM(DIRECT_WRITES) ELSE 0 END AS TIME_AVG_DIRECT_WRITE, |
| 533 | CASE WHEN SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS) > 0 |
| 534 | THEN SUM(POOL_READ_TIME) / SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS) ELSE 0 END AS TIME_AVG_POOL_READ, |
| 535 | CASE WHEN SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES) > 0 |
| 536 | THEN SUM(POOL_WRITE_TIME) / SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES) ELSE 0 END AS TIME_AVG_POOL_WRITE |
| 537 | FROM TABLE(MON_GET_BUFFERPOOL('', -2)) |
| 538 | ), |
| 539 | DB_STATUS AS ( |
| 540 | SELECT |
| 541 | CASE WHEN DB_STATUS = 'ACTIVE' THEN 1 ELSE 0 END AS DATABASE_ACTIVE, |
| 542 | CASE WHEN DB_STATUS != 'ACTIVE' THEN 1 ELSE 0 END AS DATABASE_INACTIVE |
| 543 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 544 | FETCH FIRST 1 ROW ONLY |
| 545 | ) |
| 546 | SELECT * FROM CPU_METRICS, CONNECTION_METRICS, MEMORY_METRICS, |
| 547 | THROUGHPUT_METRICS, TIME_SPENT, DB_STATUS |
| 548 | ` |
| 549 | |
| 550 | // Alternative simpler query for older DB2 versions using SNAP views |
| 551 | queryDatabaseOverviewSimple = ` |
| 552 | SELECT |
| 553 | -- Database status (always active when we can query) |
| 554 | 1 AS DATABASE_ACTIVE, |
| 555 | 0 AS DATABASE_INACTIVE, |
| 556 | -- CPU metrics (not available in SNAP views) |
| 557 | 0 AS CPU_USER_PERCENT, |
| 558 | 0 AS CPU_SYSTEM_PERCENT, |
| 559 | 0 AS CPU_IDLE_PERCENT, |
| 560 | 0 AS CPU_IOWAIT_PERCENT, |
| 561 | -- Connection metrics from SNAPAPPL_INFO |
| 562 | (SELECT COUNT(*) FROM SYSIBMADM.SNAPAPPL_INFO WHERE AGENT_ID > 0) AS CONNECTIONS_ACTIVE, |
| 563 | (SELECT COUNT(*) FROM SYSIBMADM.SNAPAPPL_INFO) AS CONNECTIONS_TOTAL, |
| 564 | -- Memory metrics (basic, from SNAPDB) |
| 565 | COALESCE((SELECT SUM(POOL_CUR_SIZE) FROM SYSIBMADM.SNAPDB), 0) AS MEMORY_DATABASE_COMMITTED, |
| 566 | 0 AS MEMORY_INSTANCE_COMMITTED, |
| 567 | 0 AS MEMORY_BUFFERPOOL_USED, |
| 568 | 0 AS MEMORY_SHARED_SORT_USED, |
| 569 | -- Throughput metrics from SNAPDB |
| 570 | COALESCE((SELECT SUM(SELECT_SQL_STMTS) FROM SYSIBMADM.SNAPDB), 0) AS OPS_SELECT_STMTS, |
| 571 | COALESCE((SELECT SUM(UID_SQL_STMTS) FROM SYSIBMADM.SNAPDB), 0) AS OPS_UID_STMTS, |
| 572 | COALESCE((SELECT SUM(TOTAL_APP_COMMITS + INT_COMMITS + TOTAL_APP_ROLLBACKS + INT_ROLLBACKS) FROM SYSIBMADM.SNAPDB), 0) AS OPS_TRANSACTIONS, |
| 573 | 0 AS OPS_ACTIVITIES_ABORTED, |
| 574 | -- Time spent (basic averages from SNAPDB) |
| 575 | COALESCE((SELECT CASE WHEN SUM(DIRECT_READS) > 0 THEN SUM(DIRECT_READ_TIME) / SUM(DIRECT_READS) ELSE 0 END FROM SYSIBMADM.SNAPDB), 0) AS TIME_AVG_DIRECT_READ, |
| 576 | COALESCE((SELECT CASE WHEN SUM(DIRECT_WRITES) > 0 THEN SUM(DIRECT_WRITE_TIME) / SUM(DIRECT_WRITES) ELSE 0 END FROM SYSIBMADM.SNAPDB), 0) AS TIME_AVG_DIRECT_WRITE, |
| 577 | COALESCE((SELECT CASE WHEN SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS) > 0 THEN SUM(POOL_READ_TIME) / SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS) ELSE 0 END FROM SYSIBMADM.SNAPBP), 0) AS TIME_AVG_POOL_READ, |
| 578 | COALESCE((SELECT CASE WHEN SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES) > 0 THEN SUM(POOL_WRITE_TIME) / SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES) ELSE 0 END FROM SYSIBMADM.SNAPBP), 0) AS TIME_AVG_POOL_WRITE |
| 579 | FROM SYSIBM.SYSDUMMY1 |
| 580 | ` |
| 581 | |
| 582 | // Enhanced logging performance query (Screen 18) - using tested dcmtop queries |
| 583 | queryLoggingPerformance = ` |
| 584 | SELECT |
| 585 | SUM(TOTAL_APP_COMMITS) AS LOG_COMMITS, |
| 586 | SUM(TOTAL_APP_ROLLBACKS) AS LOG_ROLLBACKS |
| 587 | FROM TABLE(MON_GET_SERVICE_SUBCLASS(NULL, NULL, -2)) |
| 588 | ` |
| 589 | |
| 590 | queryLoggingReads = ` |
| 591 | SELECT SUM(NUM_LOG_READ_IO) AS LOG_READS FROM TABLE(MON_GET_TRANSACTION_LOG(-2)) |
| 592 | ` |
| 593 | |
| 594 | queryLoggingWrites = ` |
| 595 | SELECT SUM(NUM_LOG_WRITE_IO) AS LOG_WRITES FROM TABLE(MON_GET_TRANSACTION_LOG(-2)) |
| 596 | ` |
| 597 | |
| 598 | queryLoggingBufferEvents = ` |
| 599 | SELECT SUM(NUM_LOG_BUFFER_FULL) AS LOG_BUFFER_FULL_EVENTS FROM TABLE(MON_GET_SERVICE_SUBCLASS(NULL, NULL, -2)) |
| 600 | ` |
| 601 | |
| 602 | // Individual logging queries from dcmtop (Screen 18) |
| 603 | queryLogCommits = ` |
| 604 | SELECT SUM(TOTAL_APP_COMMITS) AS LOG_COMMITS FROM TABLE(MON_GET_SERVICE_SUBCLASS(NULL, NULL, -2)) |
| 605 | ` |
| 606 | |
| 607 | queryLogRollbacks = ` |
| 608 | SELECT SUM(TOTAL_APP_ROLLBACKS) AS LOG_ROLLBACKS FROM TABLE(MON_GET_SERVICE_SUBCLASS(NULL, NULL, -2)) |
| 609 | ` |
| 610 | |
| 611 | // Simpler version for older DB2 |
| 612 | queryLoggingPerformanceSimple = ` |
| 613 | SELECT |
| 614 | SUM(TOTAL_APP_COMMITS) AS LOG_COMMITS, |
| 615 | SUM(TOTAL_APP_ROLLBACKS) AS LOG_ROLLBACKS, |
| 616 | SUM(LOG_READS) AS LOG_READS, |
| 617 | SUM(LOG_WRITES) AS LOG_WRITES, |
| 618 | 0 AS LOG_BUFFER_FULL_EVENTS, |
| 619 | 0 AS LOG_AVG_COMMIT_TIME, |
| 620 | 0 AS LOG_AVG_READ_TIME, |
| 621 | 0 AS LOG_AVG_WRITE_TIME |
| 622 | FROM SYSIBMADM.SNAPDB |
| 623 | ` |
| 624 | |
| 625 | // Federation metrics query (Screen 32) |
| 626 | queryFederationMetrics = ` |
| 627 | SELECT |
| 628 | SUM(CASE WHEN ROWS_RETURNED_FROM_REMOTE > 0 THEN 1 ELSE 0 END) AS FED_CONNECTIONS_ACTIVE, |
| 629 | SUM(CASE WHEN ROWS_RETURNED_FROM_REMOTE = 0 THEN 1 ELSE 0 END) AS FED_CONNECTIONS_IDLE, |
| 630 | SUM(ROWS_RETURNED_FROM_REMOTE) AS FED_ROWS_READ, |
| 631 | SUM(SELECT_SQL_STMTS) AS FED_SELECT_STMTS, |
| 632 | SUM(TOTAL_WAIT_TIME) AS FED_WAITS_TOTAL |
| 633 | FROM TABLE(MON_GET_CONNECTION(NULL, -2)) |
| 634 | WHERE APPLICATION_NAME IS NOT NULL |
| 635 | ` |
| 636 | |
| 637 | // Simpler federation query without FILTER clause |
| 638 | queryFederationMetricsSimple = ` |
| 639 | SELECT |
| 640 | SUM(CASE WHEN ROWS_RETURNED_FROM_REMOTE > 0 THEN 1 ELSE 0 END) AS FED_CONNECTIONS_ACTIVE, |
| 641 | SUM(CASE WHEN ROWS_RETURNED_FROM_REMOTE = 0 THEN 1 ELSE 0 END) AS FED_CONNECTIONS_IDLE, |
| 642 | SUM(ROWS_RETURNED_FROM_REMOTE) AS FED_ROWS_READ, |
| 643 | SUM(SELECT_SQL_STMTS) AS FED_SELECT_STMTS, |
| 644 | SUM(TOTAL_WAIT_TIME) AS FED_WAITS_TOTAL |
| 645 | FROM TABLE(MON_GET_CONNECTION(NULL, -2)) |
| 646 | WHERE APPLICATION_NAME IS NOT NULL |
| 647 | ` |
| 648 | |
| 649 | // Memory Sets query (Screen 26) |
| 650 | queryMemorySets = ` |
| 651 | SELECT |
| 652 | HOST_NAME, |
| 653 | DB_NAME, |
| 654 | MEMORY_SET_TYPE, |
| 655 | MEMBER, |
| 656 | MEMORY_SET_USED, |
| 657 | MEMORY_SET_COMMITTED, |
| 658 | (MEMORY_SET_COMMITTED - MEMORY_SET_USED) AS ADDITIONAL_COMMITTED, |
| 659 | MEMORY_SET_USED_HWM, |
| 660 | CASE |
| 661 | WHEN SUM(MEMORY_SET_COMMITTED) OVER () > 0 |
| 662 | THEN (MEMORY_SET_COMMITTED * 100.0) / SUM(MEMORY_SET_COMMITTED) OVER () |
| 663 | ELSE 0 |
| 664 | END AS PERCENT_COMMITTED |
| 665 | FROM TABLE(MON_GET_MEMORY_SET(NULL, NULL, -2)) |
| 666 | ORDER BY MEMORY_SET_TYPE |
| 667 | ` |
| 668 | |
| 669 | // // Prefetcher metrics query (Screen 15) |
| 670 | // queryPrefetcherMetrics = ` |
| 671 | // SELECT |
| 672 | // BP_NAME, |
| 673 | // CASE |
| 674 | // WHEN (POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS) > 0 |
| 675 | // THEN DECIMAL((POOL_ASYNC_DATA_READS + POOL_ASYNC_INDEX_READS + |
| 676 | // POOL_ASYNC_XDA_READS + POOL_ASYNC_COL_READS) * 100.0 / |
| 677 | // (POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS), 5, 2) |
| 678 | // ELSE 0.00 |
| 679 | // END AS PREFETCH_RATIO, |
| 680 | // CASE |
| 681 | // WHEN (POOL_DATA_WRITES + POOL_INDEX_WRITES + POOL_XDA_WRITES + POOL_COL_WRITES) > 0 |
| 682 | // THEN DECIMAL((POOL_ASYNC_DATA_WRITES + POOL_ASYNC_INDEX_WRITES + |
| 683 | // POOL_ASYNC_XDA_WRITES + POOL_ASYNC_COL_WRITES) * 100.0 / |
| 684 | // (POOL_DATA_WRITES + POOL_INDEX_WRITES + POOL_XDA_WRITES + POOL_COL_WRITES), 5, 2) |
| 685 | // ELSE 0.00 |
| 686 | // END AS CLEANER_RATIO, |
| 687 | // (POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS) AS PHYSICAL_READS, |
| 688 | // (POOL_ASYNC_DATA_READS + POOL_ASYNC_INDEX_READS + POOL_ASYNC_XDA_READS + POOL_ASYNC_COL_READS) AS ASYNC_READS, |
| 689 | // UNREAD_PREFETCH_PAGES, |
| 690 | // CASE |
| 691 | // WHEN PREFETCH_WAITS > 0 |
| 692 | // THEN DECIMAL(PREFETCH_WAIT_TIME / PREFETCH_WAITS, 10, 2) |
| 693 | // ELSE 0.00 |
| 694 | // END AS AVG_WAIT_TIME |
| 695 | // FROM TABLE(MON_GET_BUFFERPOOL('', -2)) |
| 696 | // ` |
| 697 | // |
| 698 | // Database Overview Simple Queries (based on dcmtop) |
| 699 | // These are individual queries that are more resilient and easier to debug |
| 700 | |
| 701 | // Overview queries |
| 702 | querySimpleDatabaseStatus = `SELECT MAX(DB_STATUS) AS DATABASE_STATUS FROM TABLE(MON_GET_DATABASE(-2))` |
| 703 | querySimpleStartTime = `SELECT MIN(DB_CONN_TIME) AS START_TIME FROM TABLE(MON_GET_DATABASE(-2))` |
| 704 | querySimpleSystemMemory = `SELECT MEMORY_TOTAL AS SYSTEM_PHYSICAL_MEM FROM TABLE(SYSPROC.ENV_GET_SYSTEM_RESOURCES())` |
| 705 | |
| 706 | // CPU queries |
| 707 | querySimpleCPUDB2 = ` |
| 708 | SELECT |
| 709 | SUM(CPU_USER) AS DB2_CPU_USER_TOTAL, |
| 710 | SUM(CPU_SYSTEM) AS DB2_CPU_SYSTEM_TOTAL |
| 711 | FROM TABLE(ENV_GET_DB2_SYSTEM_RESOURCES(-2)) |
| 712 | ` |
| 713 | querySimpleCPUSystem = ` |
| 714 | SELECT |
| 715 | CPU_USER AS CPU_USER_TOTAL, |
| 716 | CPU_SYSTEM AS CPU_SYSTEM_TOTAL, |
| 717 | CPU_IDLE AS CPU_IDLE_TOTAL, |
| 718 | CPU_IOWAIT AS CPU_IOWAIT_TOTAL, |
| 719 | CASE |
| 720 | WHEN (CPU_USER + CPU_SYSTEM + CPU_IDLE + CPU_IOWAIT) > 0 |
| 721 | THEN ((CPU_USER + CPU_SYSTEM) * 100.0) / (CPU_USER + CPU_SYSTEM + CPU_IDLE + CPU_IOWAIT) |
| 722 | ELSE 0 |
| 723 | END AS SYSTEM_CPU_UTILIZATION |
| 724 | FROM TABLE(SYSPROC.ENV_GET_SYSTEM_RESOURCES()) |
| 725 | ` |
| 726 | |
| 727 | // Memory queries |
| 728 | querySimpleMemoryInstance = ` |
| 729 | SELECT SUM(MEMORY_SET_COMMITTED) AS INSTANCE_MEM_COMMITTED |
| 730 | FROM TABLE(MON_GET_MEMORY_SET('DBMS', CURRENT_SERVER, -2)) |
| 731 | ` |
| 732 | querySimpleMemoryDatabase = ` |
| 733 | SELECT SUM(MEMORY_SET_COMMITTED) AS DATABASE_MEM_COMMITTED |
| 734 | FROM TABLE(MON_GET_MEMORY_SET('DATABASE', CURRENT_SERVER, -2)) |
| 735 | ` |
| 736 | querySimpleMemoryBufferpool = ` |
| 737 | SELECT SUM(MEMORY_POOL_USED) AS BUFFERPOOL_MEM_USED |
| 738 | FROM TABLE(MON_GET_MEMORY_POOL('DATABASE', '', -2)) |
| 739 | WHERE MEMORY_POOL_TYPE = 'BP' |
| 740 | ` |
| 741 | querySimpleMemorySharedSort = ` |
| 742 | SELECT SUM(MEMORY_POOL_USED) AS SHARED_SORT_MEM_USED |
| 743 | FROM TABLE(MON_GET_MEMORY_POOL('DATABASE', '', -2)) |
| 744 | WHERE MEMORY_POOL_TYPE = 'SHARED_SORT' |
| 745 | ` |
| 746 | |
| 747 | // Storage query |
| 748 | querySimpleStorageUsage = ` |
| 749 | SELECT |
| 750 | SUM(TBSP_TOTAL_PAGES * TBSP_PAGE_SIZE) AS TOTAL_STORAGE, |
| 751 | SUM(TBSP_USED_PAGES * TBSP_PAGE_SIZE) AS USED_STORAGE, |
| 752 | SUM(TBSP_FREE_PAGES * TBSP_PAGE_SIZE) AS FREE_STORAGE |
| 753 | FROM TABLE(MON_GET_TABLESPACE('', -2)) |
| 754 | WHERE TBSP_TYPE = 'DMS' |
| 755 | ` |
| 756 | |
| 757 | // Throughput queries |
| 758 | querySimpleTransactions = ` |
| 759 | SELECT SUM(TOTAL_APP_COMMITS + INT_COMMITS + TOTAL_APP_ROLLBACKS + INT_ROLLBACKS) AS TRANSACTIONS |
| 760 | FROM TABLE(MON_GET_DATABASE(NULL)) |
| 761 | ` |
| 762 | querySimpleSelectStmts = ` |
| 763 | SELECT SUM(SELECT_SQL_STMTS) AS SELECT_STMTS |
| 764 | FROM TABLE(MON_GET_DATABASE(NULL)) |
| 765 | ` |
| 766 | querySimpleUIDStmts = ` |
| 767 | SELECT SUM(UID_SQL_STMTS) AS UID_STMTS |
| 768 | FROM TABLE(MON_GET_DATABASE(NULL)) |
| 769 | ` |
| 770 | querySimpleActivitiesAborted = ` |
| 771 | SELECT SUM(ACT_ABORTED_TOTAL) AS ACTIVITIES_ABORTED |
| 772 | FROM TABLE(MON_GET_SERVICE_SUBCLASS(NULL, NULL, NULL)) |
| 773 | ` |
| 774 | querySnapActivitiesAborted = `SELECT 0 AS ACTIVITIES_ABORTED` |
| 775 | querySimpleActivitiesQueued = ` |
| 776 | SELECT SUM(WLM_QUEUE_ASSIGNMENTS_TOTAL) AS ACTIVITIES_QUEUED |
| 777 | FROM TABLE(MON_GET_SERVICE_SUBCLASS(NULL, NULL, -2)) |
| 778 | ` |
| 779 | querySimpleLogReads = ` |
| 780 | SELECT SUM(NUM_LOG_READ_IO) AS LOG_READS |
| 781 | FROM TABLE(MON_GET_TRANSACTION_LOG(-2)) |
| 782 | ` |
| 783 | querySimpleLogWrites = ` |
| 784 | SELECT SUM(NUM_LOG_WRITE_IO) AS LOG_WRITES |
| 785 | FROM TABLE(MON_GET_TRANSACTION_LOG(-2)) |
| 786 | ` |
| 787 | querySimpleLogicalReads = ` |
| 788 | SELECT SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS + POOL_XDA_L_READS + POOL_COL_L_READS) AS LOGICAL_READS |
| 789 | FROM TABLE(MON_GET_BUFFERPOOL('', -2)) |
| 790 | ` |
| 791 | querySimplePhysicalReads = ` |
| 792 | SELECT SUM(POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS) AS PHYSICAL_READS |
| 793 | FROM TABLE(MON_GET_BUFFERPOOL('', -2)) |
| 794 | ` |
| 795 | querySimpleAsyncReads = ` |
| 796 | SELECT SUM(POOL_ASYNC_DATA_READS + POOL_ASYNC_INDEX_READS + POOL_ASYNC_XDA_READS + POOL_ASYNC_COL_READS) AS ASYNC_READS |
| 797 | FROM TABLE(MON_GET_BUFFERPOOL('', -2)) |
| 798 | ` |
| 799 | querySimpleWrites = ` |
| 800 | SELECT SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES + POOL_XDA_WRITES + POOL_COL_WRITES) AS WRITES |
| 801 | FROM TABLE(MON_GET_BUFFERPOOL('', -2)) |
| 802 | ` |
| 803 | querySimpleAsyncWrites = ` |
| 804 | SELECT SUM(POOL_ASYNC_DATA_WRITES + POOL_ASYNC_INDEX_WRITES + POOL_ASYNC_XDA_WRITES + POOL_ASYNC_COL_WRITES) AS ASYNC_WRITES |
| 805 | FROM TABLE(MON_GET_BUFFERPOOL('', -2)) |
| 806 | ` |
| 807 | |
| 808 | // Contention queries |
| 809 | querySimpleConnectionsActive = ` |
| 810 | SELECT COUNT(*) AS ACTIVE_CONNECTIONS |
| 811 | FROM TABLE(MON_GET_CONNECTION(NULL, -2)) |
| 812 | WHERE APPLICATION_HANDLE IS NOT NULL |
| 813 | ` |
| 814 | querySimpleConnectionsTotal = ` |
| 815 | SELECT COUNT(*) AS TOTAL_CONNECTIONS |
| 816 | FROM TABLE(MON_GET_CONNECTION(NULL, -2)) |
| 817 | ` |
| 818 | querySimpleLockHeld = ` |
| 819 | SELECT SUM(NUM_LOCKS_HELD) AS LOCKS_HELD |
| 820 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 821 | ` |
| 822 | querySimpleLockWaits = ` |
| 823 | SELECT SUM(LOCK_WAITS) AS LOCK_WAITS |
| 824 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 825 | ` |
| 826 | querySimpleLockTimeouts = ` |
| 827 | SELECT SUM(LOCK_TIMEOUTS) AS LOCK_TIMEOUTS |
| 828 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 829 | ` |
| 830 | querySimpleLockEscalations = ` |
| 831 | SELECT SUM(LOCK_ESCALS) AS LOCK_ESCALATIONS |
| 832 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 833 | ` |
| 834 | querySimpleDeadlocks = ` |
| 835 | SELECT SUM(DEADLOCKS) AS DEADLOCKS |
| 836 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 837 | ` |
| 838 | querySimpleThresholdViolations = ` |
| 839 | SELECT SUM(THRESH_VIOLATIONS) AS THRESHOLD_VIOLATIONS |
| 840 | FROM TABLE(MON_GET_SERVICE_SUBCLASS(NULL, NULL, -2)) |
| 841 | ` |
| 842 | querySimpleHitRatio = ` |
| 843 | SELECT |
| 844 | SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS + POOL_XDA_L_READS + |
| 845 | POOL_TEMP_DATA_L_READS + POOL_TEMP_INDEX_L_READS + POOL_TEMP_XDA_L_READS + |
| 846 | POOL_COL_L_READS + POOL_TEMP_COL_L_READS) AS LOGICAL_READS, |
| 847 | SUM(POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + |
| 848 | POOL_TEMP_DATA_P_READS + POOL_TEMP_INDEX_P_READS + POOL_TEMP_XDA_P_READS + |
| 849 | POOL_COL_P_READS + POOL_TEMP_COL_P_READS) AS PHYSICAL_READS, |
| 850 | SUM(DIRECT_READS) AS DIRECT_READS, |
| 851 | CASE |
| 852 | WHEN SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS + POOL_XDA_L_READS + |
| 853 | POOL_TEMP_DATA_L_READS + POOL_TEMP_INDEX_L_READS + POOL_TEMP_XDA_L_READS + |
| 854 | POOL_COL_L_READS + POOL_TEMP_COL_L_READS + DIRECT_READS) > 0 |
| 855 | THEN (SUM(POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + |
| 856 | POOL_TEMP_DATA_P_READS + POOL_TEMP_INDEX_P_READS + POOL_TEMP_XDA_P_READS + |
| 857 | POOL_COL_P_READS + POOL_TEMP_COL_P_READS + DIRECT_READS) * 1.0) / |
| 858 | SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS + POOL_XDA_L_READS + |
| 859 | POOL_TEMP_DATA_L_READS + POOL_TEMP_INDEX_L_READS + POOL_TEMP_XDA_L_READS + |
| 860 | POOL_COL_L_READS + POOL_TEMP_COL_L_READS + DIRECT_READS) |
| 861 | ELSE 0 |
| 862 | END AS HIT_RATIO |
| 863 | FROM TABLE(MON_GET_SERVICE_SUBCLASS(NULL, NULL, -2)) |
| 864 | ` |
| 865 | |
| 866 | // Time spent queries |
| 867 | querySimpleAvgPoolReadTime = ` |
| 868 | SELECT |
| 869 | CASE |
| 870 | WHEN SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS) > 0 |
| 871 | THEN SUM(POOL_READ_TIME) / SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS) |
| 872 | ELSE 0 |
| 873 | END AS AVG_POOL_READ_TIME |
| 874 | FROM TABLE(MON_GET_BUFFERPOOL('', -2)) |
| 875 | ` |
| 876 | querySimpleAvgDirectReadTime = ` |
| 877 | SELECT |
| 878 | CASE |
| 879 | WHEN SUM(DIRECT_READS) > 0 |
| 880 | THEN SUM(DIRECT_READ_TIME) / SUM(DIRECT_READS) |
| 881 | ELSE 0 |
| 882 | END AS AVG_DIRECT_READ_TIME |
| 883 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 884 | ` |
| 885 | querySimpleAvgPoolWriteTime = ` |
| 886 | SELECT |
| 887 | CASE |
| 888 | WHEN SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES) > 0 |
| 889 | THEN SUM(POOL_WRITE_TIME) / SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES) |
| 890 | ELSE 0 |
| 891 | END AS AVG_POOL_WRITE_TIME |
| 892 | FROM TABLE(MON_GET_BUFFERPOOL('', -2)) |
| 893 | ` |
| 894 | querySimpleAvgDirectWriteTime = ` |
| 895 | SELECT |
| 896 | CASE |
| 897 | WHEN SUM(DIRECT_WRITES) > 0 |
| 898 | THEN SUM(DIRECT_WRITE_TIME) / SUM(DIRECT_WRITES) |
| 899 | ELSE 0 |
| 900 | END AS AVG_DIRECT_WRITE_TIME |
| 901 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 902 | ` |
| 903 | querySimpleSorts = ` |
| 904 | SELECT SUM(TOTAL_SORTS) AS SORTS |
| 905 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 906 | ` |
| 907 | querySimpleSortOverflows = ` |
| 908 | SELECT SUM(SORT_OVERFLOWS) AS SORT_OVERFLOWS |
| 909 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 910 | ` |
| 911 | querySimpleHashJoins = ` |
| 912 | SELECT SUM(TOTAL_HASH_JOINS) AS HASH_JOINS |
| 913 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 914 | ` |
| 915 | querySimpleHashJoinOverflows = ` |
| 916 | SELECT SUM(HASH_JOIN_OVERFLOWS) AS HASH_JOIN_OVERFLOWS |
| 917 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 918 | ` |
| 919 | querySimpleHashGrpbys = ` |
| 920 | SELECT SUM(TOTAL_HASH_GRPBYS) AS HASH_GRPBYS |
| 921 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 922 | ` |
| 923 | querySimpleHashGrpbyOverflows = ` |
| 924 | SELECT SUM(HASH_GRPBY_OVERFLOWS) AS HASH_GRPBY_OVERFLOWS |
| 925 | FROM TABLE(MON_GET_DATABASE(-2)) |
| 926 | ` |
| 927 | querySimplePctTimeQueued = ` |
| 928 | SELECT |
| 929 | CASE |
| 930 | WHEN SUM(TOTAL_RQST_TIME) > 0 |
| 931 | THEN (SUM(WLM_QUEUE_TIME_TOTAL) * 100.0) / SUM(TOTAL_RQST_TIME) |
| 932 | ELSE 0 |
| 933 | END AS PCT_TIME_QUEUED |
| 934 | FROM TABLE(MON_GET_SERVICE_SUBCLASS(NULL, NULL, -2)) |
| 935 | ` |
| 936 | |
| 937 | // Screen 15: Prefetchers queries |
| 938 | // Uses simple individual queries from dcmtop |
| 939 | queryPrefetcherMetrics = ` |
| 940 | SELECT |
| 941 | BP_NAME AS BUFFERPOOL_NAME, |
| 942 | CASE |
| 943 | WHEN (POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + |
| 944 | POOL_COL_P_READS + POOL_TEMP_DATA_P_READS + POOL_TEMP_INDEX_P_READS + |
| 945 | POOL_TEMP_XDA_P_READS + POOL_TEMP_COL_P_READS) > 0 |
| 946 | THEN DECIMAL((POOL_ASYNC_DATA_READS + POOL_ASYNC_INDEX_READS + |
| 947 | POOL_ASYNC_XDA_READS + POOL_ASYNC_COL_READS) * 100.0 / |
| 948 | (POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + |
| 949 | POOL_COL_P_READS + POOL_TEMP_DATA_P_READS + POOL_TEMP_INDEX_P_READS + |
| 950 | POOL_TEMP_XDA_P_READS + POOL_TEMP_COL_P_READS), 5, 2) |
| 951 | ELSE 0.00 |
| 952 | END AS PREFETCH_RATIO_PCT, |
| 953 | CASE |
| 954 | WHEN (POOL_DATA_WRITES + POOL_INDEX_WRITES + POOL_XDA_WRITES + POOL_COL_WRITES) > 0 |
| 955 | THEN DECIMAL((POOL_ASYNC_DATA_WRITES + POOL_ASYNC_INDEX_WRITES + |
| 956 | POOL_ASYNC_XDA_WRITES + POOL_ASYNC_COL_WRITES) * 100.0 / |
| 957 | (POOL_DATA_WRITES + POOL_INDEX_WRITES + POOL_XDA_WRITES + POOL_COL_WRITES), 5, 2) |
| 958 | ELSE 0.00 |
| 959 | END AS CLEANER_RATIO_PCT, |
| 960 | (POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS + POOL_COL_P_READS + |
| 961 | POOL_TEMP_DATA_P_READS + POOL_TEMP_INDEX_P_READS + POOL_TEMP_XDA_P_READS + |
| 962 | POOL_TEMP_COL_P_READS) AS PHYSICAL_READS, |
| 963 | (POOL_ASYNC_DATA_READS + POOL_ASYNC_INDEX_READS + POOL_ASYNC_XDA_READS + |
| 964 | POOL_ASYNC_COL_READS) AS ASYNCHRONOUS_READS, |
| 965 | CASE |
| 966 | WHEN PREFETCH_WAITS > 0 |
| 967 | THEN DECIMAL(PREFETCH_WAIT_TIME / PREFETCH_WAITS, 10, 2) |
| 968 | ELSE 0.00 |
| 969 | END AS PREFETCH_WAITS_TIME_MS, |
| 970 | UNREAD_PREFETCH_PAGES |
| 971 | FROM TABLE(MON_GET_BUFFERPOOL('', -2)) |
| 972 | ORDER BY BP_NAME` |
| 973 | |
| 974 | // SNAP-based simple queries for older DB2 versions |
| 975 | // These are fallback queries when MON_GET functions are not available |
| 976 | |
| 977 | // Database status from SNAP |
| 978 | querySnapDatabaseStatus = `SELECT DB_STATUS AS DATABASE_STATUS FROM SYSIBMADM.SNAPDB FETCH FIRST 1 ROW ONLY` |
| 979 | |
| 980 | // Connection metrics from SNAP |
| 981 | querySnapConnectionsActive = `SELECT COUNT(*) AS ACTIVE_CONNECTIONS FROM SYSIBMADM.APPLICATIONS WHERE APPL_STATUS = 'CONNECTED'` |
| 982 | querySnapConnectionsTotal = `SELECT COUNT(*) AS TOTAL_CONNECTIONS FROM SYSIBMADM.APPLICATIONS` |
| 983 | |
| 984 | // Throughput from SNAP |
| 985 | querySnapTransactions = `SELECT SUM(TOTAL_APP_COMMITS + INT_COMMITS + TOTAL_APP_ROLLBACKS + INT_ROLLBACKS) AS TRANSACTIONS FROM SYSIBMADM.SNAPDB` |
| 986 | querySnapSelectStmts = `SELECT SUM(SELECT_SQL_STMTS) AS SELECT_STMTS FROM SYSIBMADM.SNAPDB` |
| 987 | querySnapUIDStmts = `SELECT SUM(UID_SQL_STMTS) AS UID_STMTS FROM SYSIBMADM.SNAPDB` |
| 988 | querySnapLogReads = `SELECT SUM(LOG_READS) AS LOG_READS FROM SYSIBMADM.SNAPDB` |
| 989 | querySnapLogWrites = `SELECT SUM(LOG_WRITES) AS LOG_WRITES FROM SYSIBMADM.SNAPDB` |
| 990 | querySnapLogicalReads = `SELECT SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS + POOL_XDA_L_READS) AS LOGICAL_READS FROM SYSIBMADM.SNAPBP` |
| 991 | querySnapPhysicalReads = `SELECT SUM(POOL_DATA_P_READS + POOL_INDEX_P_READS + POOL_XDA_P_READS) AS PHYSICAL_READS FROM SYSIBMADM.SNAPBP` |
| 992 | querySnapAsyncReads = `SELECT SUM(POOL_ASYNC_DATA_READS + POOL_ASYNC_INDEX_READS + POOL_ASYNC_XDA_READS) AS ASYNC_READS FROM SYSIBMADM.SNAPBP` |
| 993 | querySnapWrites = `SELECT SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES + POOL_XDA_WRITES) AS WRITES FROM SYSIBMADM.SNAPBP` |
| 994 | querySnapAsyncWrites = `SELECT SUM(POOL_ASYNC_DATA_WRITES + POOL_ASYNC_INDEX_WRITES + POOL_ASYNC_XDA_WRITES) AS ASYNC_WRITES FROM SYSIBMADM.SNAPBP` |
| 995 | |
| 996 | // Lock metrics from SNAP |
| 997 | querySnapLockHeld = `SELECT SUM(LOCKS_HELD) AS LOCKS_HELD FROM SYSIBMADM.SNAPDB` |
| 998 | querySnapLockWaits = `SELECT SUM(LOCK_WAITS) AS LOCK_WAITS FROM SYSIBMADM.SNAPDB` |
| 999 | querySnapLockTimeouts = `SELECT SUM(LOCK_TIMEOUTS) AS LOCK_TIMEOUTS FROM SYSIBMADM.SNAPDB` |
| 1000 | querySnapLockEscalations = `SELECT SUM(LOCK_ESCALS) AS LOCK_ESCALATIONS FROM SYSIBMADM.SNAPDB` |
| 1001 | querySnapDeadlocks = `SELECT SUM(DEADLOCKS) AS DEADLOCKS FROM SYSIBMADM.SNAPDB` |
| 1002 | |
| 1003 | // Time spent from SNAP |
| 1004 | querySnapAvgPoolReadTime = ` |
| 1005 | SELECT |
| 1006 | CASE |
| 1007 | WHEN SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS) > 0 |
| 1008 | THEN SUM(POOL_READ_TIME) / SUM(POOL_DATA_L_READS + POOL_INDEX_L_READS) |
| 1009 | ELSE 0 |
| 1010 | END AS AVG_POOL_READ_TIME |
| 1011 | FROM SYSIBMADM.SNAPBP |
| 1012 | ` |
| 1013 | querySnapAvgDirectReadTime = ` |
| 1014 | SELECT |
| 1015 | CASE |
| 1016 | WHEN SUM(DIRECT_READS) > 0 |
| 1017 | THEN SUM(DIRECT_READ_TIME) / SUM(DIRECT_READS) |
| 1018 | ELSE 0 |
| 1019 | END AS AVG_DIRECT_READ_TIME |
| 1020 | FROM SYSIBMADM.SNAPDB |
| 1021 | ` |
| 1022 | querySnapAvgPoolWriteTime = ` |
| 1023 | SELECT |
| 1024 | CASE |
| 1025 | WHEN SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES) > 0 |
| 1026 | THEN SUM(POOL_WRITE_TIME) / SUM(POOL_DATA_WRITES + POOL_INDEX_WRITES) |
| 1027 | ELSE 0 |
| 1028 | END AS AVG_POOL_WRITE_TIME |
| 1029 | FROM SYSIBMADM.SNAPBP |
| 1030 | ` |
| 1031 | querySnapAvgDirectWriteTime = ` |
| 1032 | SELECT |
| 1033 | CASE |
| 1034 | WHEN SUM(DIRECT_WRITES) > 0 |
| 1035 | THEN SUM(DIRECT_WRITE_TIME) / SUM(DIRECT_WRITES) |
| 1036 | ELSE 0 |
| 1037 | END AS AVG_DIRECT_WRITE_TIME |
| 1038 | FROM SYSIBMADM.SNAPDB |
| 1039 | ` |
| 1040 | querySnapSorts = `SELECT SUM(TOTAL_SORTS) AS SORTS FROM SYSIBMADM.SNAPDB` |
| 1041 | querySnapSortOverflows = `SELECT SUM(SORT_OVERFLOWS) AS SORT_OVERFLOWS FROM SYSIBMADM.SNAPDB` |
| 1042 | ) |