Update performance.md (#11144)
Chris Akritidis committed
May 14, 2021 at 08:50 UTC
7157fc050cf48017951dcf6c2a6c17f9462e0dca
1 file changed
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docs/guides/configure/performance.md
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@@ -155,6 +155,12 @@ All the settings are found in the `[global]` section of `netdata.conf`:
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dbengine multihost disk space = 256
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```
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+Metric retention is not important in certain use cases, such as:
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+ - Data collection nodes stream collected metrics collected to a centralization point.
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+ - Data collection nodes export their metrics to another time series DB, or are scraped by Prometheus
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+ - Netdata installed only during incidents, to get richer information.
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+In such cases, you may not want to use the dbengine at all and instead opt for memory mode `memory mode = ram` or `memory mode = none`.
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## Run Netdata behind Nginx
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A dedicated web server like Nginx provides far more robustness than the Agent's internal [web server](/web/README.md).