| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | josh(at)agliodbs(dot)com |
| Cc: | "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net>, Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>, Shridhar Daithankar <shridhar_daithankar(at)myrealbox(dot)com>, pgsql-performance(at)postgresql(dot)org, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] More detail on settings for pgavd? |
| Date: | 2003-11-21 23:04:56 |
| Message-ID: | 15608.1069455896@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-performance |
Josh Berkus <josh(at)agliodbs(dot)com> writes:
> BTW, do we have any provisions to avoid overlapping vacuums? That is, to
> prevent a second vacuum on a table if an earlier one is still running?
Yes, VACUUM takes a lock that prevents another VACUUM on the same table.
regards, tom lane
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