configure extent cache size (#14821)
Costa Tsaousis committed
Mar 28, 2023 at 20:35 UTC
a120a4b1b2512d35d01c27915a0896243cac904f
4 files changed
+9
daemon/main.c
+4
@@ -1112,8 +1112,12 @@ static void get_netdata_configured_variables() {
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// get default Database Engine page cache size in MiB
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default_rrdeng_page_cache_mb = (int) config_get_number(CONFIG_SECTION_DB, "dbengine page cache size MB", default_rrdeng_page_cache_mb);
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+ default_rrdeng_extent_cache_mb = (int) config_get_number(CONFIG_SECTION_DB, "dbengine extent cache size MB", default_rrdeng_extent_cache_mb);
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db_engine_journal_check = config_get_boolean(CONFIG_SECTION_DB, "dbengine enable journal integrity check", CONFIG_BOOLEAN_NO);
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+ if(default_rrdeng_extent_cache_mb < 0)
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+ default_rrdeng_extent_cache_mb = 0;
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+
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if(default_rrdeng_page_cache_mb < RRDENG_MIN_PAGE_CACHE_SIZE_MB) {
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error("Invalid page cache size %d given. Defaulting to %d.", default_rrdeng_page_cache_mb, RRDENG_MIN_PAGE_CACHE_SIZE_MB);
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default_rrdeng_page_cache_mb = RRDENG_MIN_PAGE_CACHE_SIZE_MB;
database/engine/pagecache.c
+2
@@ -1069,6 +1069,8 @@ void pgc_and_mrg_initialize(void)
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main_cache_size = target_cache_size - extent_cache_size;
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}
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+ extent_cache_size += (size_t)(default_rrdeng_extent_cache_mb * 1024ULL * 1024ULL);
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+
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main_cache = pgc_create(
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"main_cache",
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main_cache_size,
database/engine/rrdengineapi.c
+2
@@ -41,8 +41,10 @@ int default_multidb_disk_quota_mb = 256;
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#if defined(ENV32BIT)
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int default_rrdeng_page_cache_mb = 16;
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+int default_rrdeng_extent_cache_mb = 0;
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#else
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int default_rrdeng_page_cache_mb = 32;
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+int default_rrdeng_extent_cache_mb = 0;
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#endif
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// ----------------------------------------------------------------------------
database/engine/rrdengineapi.h
+1
@@ -13,6 +13,7 @@
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#define RRDENG_FD_BUDGET_PER_INSTANCE (50)
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extern int default_rrdeng_page_cache_mb;
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+extern int default_rrdeng_extent_cache_mb;
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extern int db_engine_journal_check;
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extern int default_rrdeng_disk_quota_mb;
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extern int default_multidb_disk_quota_mb;