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Put back stats-collector restarting code, removed accidentally.

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Removed that code snippet accidentally in the archive_mode='always' patch.

Also, use varname-tags for archive_command in the docs.

Fujii Masao
This commit is contained in:
Heikki Linnakangas
2015-05-18 10:18:46 +03:00
parent d773b55713
commit 4df1328950
2 changed files with 8 additions and 3 deletions
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7
doc/src/sgml/high-availability.sgml
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@@ -1237,9 +1237,10 @@ primary_slot_name = 'node_a_slot'
to <literal>always</literal>, and the standby will call the archive to <literal>always</literal>, and the standby will call the archive
command for every WAL segment it receives, whether it's by restoring command for every WAL segment it receives, whether it's by restoring
from the archive or by streaming replication. The shared archive can from the archive or by streaming replication. The shared archive can
be handled similarly, but the archive_command must test if the file be handled similarly, but the <varname>archive_command</varname> must
being archived exists already, and if the existing file has identical test if the file being archived exists already, and if the existing file
contents. This requires more care in the archive_command, as it must has identical contents. This requires more care in the
<varname>archive_command</varname>, as it must
be careful to not overwrite an existing file with different contents, be careful to not overwrite an existing file with different contents,
but return success if the exactly same file is archived twice. And but return success if the exactly same file is archived twice. And
all that must be done free of race conditions, if two servers attempt all that must be done free of race conditions, if two servers attempt

4
src/backend/postmaster/postmaster.c
View File

@@ -1645,6 +1645,10 @@ ServerLoop(void)
start_autovac_launcher = false; /* signal processed */ start_autovac_launcher = false; /* signal processed */
} }
/* If we have lost the stats collector, try to start a new one */
if (PgStatPID == 0 && pmState == PM_RUN)
PgStatPID = pgstat_start();
/* /*
* If we have lost the archiver, try to start a new one. * If we have lost the archiver, try to start a new one.
* *