11/5/2022 0 Comments Postgres deadlock![]() ![]() ![]() This setting specifies how much memory PostgreSQL can use to cache data, which improves performance. Increase shared_buffers to 25% of the RAM. It only affects cost estimates during query planning, and doesn't cause more RAM usage. This setting is used to estimate cache effects by a query. Effective cache sizeĬonsider increasing effective_cache_size. Logging these normal events decreases performance. On larger deployments during heavy load, however, it's often normal (not an error) to wait for more than 1 second. Increase deadlock_timeout to exceed your deployment's normal transaction time.Įach time a query waits for a lock for more than deadlock_timeout, PostgreSQL checks for a deadlock condition and (if configured) logs an error. Log_truncate_on_rotation = on Lock management However the number and names of files does not change. (File names are "postgresql-Mon.log" for Monday, etc.)Įach day (1440 minutes) either creates a file with that day's name (if none exists) or overwrites that day's log file from the previous weekly cycle.ĭuring heavy load, logging can temporarily exceed disk space quota because the file size limit is disabled. These parameters create 7 rotating database log files: one for each day of the week. Enter "0" to disable file size-based log rotation.
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