Re: Refactor calculations to use instr_time
Nazir Bilal Yavuz <byavuz81@gmail.com>
From: Nazir Bilal Yavuz <byavuz81@gmail.com>
To: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Cc: andres@anarazel.de, pgsql-hackers@postgresql.org
Date: 2023-02-21T13:11:19Z
Lists: pgsql-hackers
Attachments
- v3-0001-Refactor-instr_time-calculations.patch (application/octet-stream) patch v3-0001
Hi, Thanks for the review. On Mon, 20 Feb 2023 at 06:01, Kyotaro Horiguchi <horikyota.ntt@gmail.com> wrote: > > At Fri, 17 Feb 2023 13:53:36 +0300, Nazir Bilal Yavuz <byavuz81@gmail.com> wrote in > > Thanks for the review. I updated the patch. > > > WalUsageAccumDiff(&diff, &pgWalUsage, &prevWalUsage); > - PendingWalStats.wal_records = diff.wal_records; > - PendingWalStats.wal_fpi = diff.wal_fpi; > - PendingWalStats.wal_bytes = diff.wal_bytes; > ... > + WALSTAT_ACC(wal_records, diff); > + WALSTAT_ACC(wal_fpi, diff); > + WALSTAT_ACC(wal_bytes, diff); > + WALSTAT_ACC(wal_buffers_full, PendingWalStats); > > > The lifetime of the variable "diff" seems to be longer now. Wouldn't > it be clearer if we renamed it to something more meaningful, like > wal_usage_diff, WalUsageDiff or PendingWalUsage? Along those same > lines, it occurs to me that the new struct should be named > PgStat_PendingWalStats, instead of ..Usage. That change makes the name > of the type and the variable consistent. I agree. The patch is updated. Regards, Nazir Bilal Yavuz Microsoft
Commits
-
pg_stat_wal: Accumulate time as instr_time instead of microseconds
- ca7b3c4c0004 16.0 landed