| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Autovacuum and OldestXmin |
| Date: | 2007-11-22 18:28:18 |
| Message-ID: | 11234.1195756098@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> Simon Riggs wrote:
>> [Also there is a comment saying "this is a bug" in autovacuum.c
>> Are we thinking to go production with that phrase in the code?]
> Yeah, well, it's only a comment ;-) The problem is that a worker can
> decide that a table needs to be vacuumed, if another worker has finished
> vacuuming it in the last 500 ms. I proposed a mechanism to close the
> hole but it was too much of a hassle.
> Maybe we could remove the comment for the final release? :-)
What, you think we should try to hide our shortcomings? There are
hundreds of XXX and FIXME comments in the sources.
regards, tom lane
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