Config - Disabled fsync
Check Frequency
Every 30 minutes
Default Configuration
Detects when the Postgres setting fsync is turned off and creates an issue with severity "critical". Resolves once fsync is enabled again.
Guidance
Impact
When fsync is turned off, an unpredictable shutdown (e.g., a power failure) can leave your entire server unusable.
Solution
If you need a performance boost but you are okay with losing some commits, consider setting synchronous_commit to off instead, which has most of the same performance benefits, but will leave the database server in a stable state even after a crash.
This check is enabled by default.
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