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Confusion over enabling queries via environment variable #1033

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matthughes opened this issue May 13, 2024 · 0 comments

matthughes commented May 13, 2024

The docs say you can enable/disable different metrics using environment variable rather than flag which is helpful for running under systemd.

[no-]collector.stat_wal_receiver Enable the stat_wal_receiver collector (default: disabled).
Settings set by environment variables starting with PG_ will be overwritten by the corresponding CLI flag if given.

I tried a couple permutations of env var and was not able to get the wal queries to return:

PG_STAT_WAL_RECEIVER=true
PG_COLLECTOR_STAT_WAL_RECEIVER=true
PG_COLLECTOR.STAT_WAL_RECEIVER=true

And neither expose the additional metrics I see when I instead pass this same flag in the cli.

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