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In pg_upgrade, add C comment about how autovacuum is disabled.

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This commit is contained in:
Bruce Momjian 2011-03-29 11:11:12 -04:00
parent 6c0dfc0356
commit d67b0bf471
1 changed files with 5 additions and 1 deletions
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6
contrib/pg_upgrade/server.c
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@ -169,7 +169,11 @@ start_postmaster(ClusterInfo *cluster, bool quiet)
* same file because we get the error: "The process cannot access the file * same file because we get the error: "The process cannot access the file
* because it is being used by another process." so we have to send all * because it is being used by another process." so we have to send all
* other output to 'nul'. * other output to 'nul'.
*/ *
* Using autovacuum=off disables cleanup vacuum and analyze, but
* freeze vacuums can still happen, so we set
* autovacuum_freeze_max_age high too.
*/
snprintf(cmd, sizeof(cmd), snprintf(cmd, sizeof(cmd),
SYSTEMQUOTE "\"%s/pg_ctl\" -l \"%s\" -D \"%s\" " SYSTEMQUOTE "\"%s/pg_ctl\" -l \"%s\" -D \"%s\" "
"-o \"-p %d -c autovacuum=off " "-o \"-p %d -c autovacuum=off "