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| author | Robert Haas <rhaas@postgresql.org> | 2020-06-17 11:39:17 -0400 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2020-06-17 11:39:17 -0400 |
| commit | 2fd2effc50824a8775a088435a13f47b7a6f3b94 (patch) | |
| tree | 6a27fc6920e57757dc10badaa410dc756cb7dee8 /src/backend/postmaster/pgstat.c | |
| parent | 453e0e3f0ef3202386b553719f628cef93ff95a7 (diff) | |
| download | postgresql-2fd2effc50824a8775a088435a13f47b7a6f3b94.tar.gz postgresql-2fd2effc50824a8775a088435a13f47b7a6f3b94.zip | |
Improve server code to read files as part of a base backup.
Don't use fread(), since that doesn't necessarily set errno. We could
use read() instead, but it's even better to use pg_pread(), which
allows us to avoid some extra calls to seek to the desired location in
the file.
Also, advertise a wait event while reading from a file, as we do for
most other places where we're reading data from files.
Patch by me, reviewed by Hamid Akhtar.
Discussion: http://postgr.es/m/CA+TgmobBw-3573vMosGj06r72ajHsYeKtksT_oTxH8XvTL7DxA@mail.gmail.com
Diffstat (limited to 'src/backend/postmaster/pgstat.c')
| -rw-r--r-- | src/backend/postmaster/pgstat.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c index e96134dac8a..c022597bc09 100644 --- a/src/backend/postmaster/pgstat.c +++ b/src/backend/postmaster/pgstat.c @@ -3931,6 +3931,9 @@ pgstat_get_wait_io(WaitEventIO w) switch (w) { + case WAIT_EVENT_BASEBACKUP_READ: + event_name = "BaseBackupRead"; + break; case WAIT_EVENT_BUFFILE_READ: event_name = "BufFileRead"; break; |