Re: [HACKERS] VACUUM ANALYZE problem on linux - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: [HACKERS] VACUUM ANALYZE problem on linux
Date
Msg-id 199902251740.MAA07537@candle.pha.pa.us
Whole thread Raw
In response to Re: [HACKERS] VACUUM ANALYZE problem on linux  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
> Say, is it possible that your VACUUM problem is a locale-related bug?
> 
> If init runs with a different locale setting than hand-started
> processes, then that would affect index ordering ... which could
> perhaps cause fatal problems while vacuuming indexes.  I could
> believe that VACUUM is not able to cope with indexes that appear
> to be out of order according to the sort operators it's using.
> 
> This line of thought leads to the idea that indexes had better be
> marked explicitly with the locale that they're for.  Or else we
> need to change Postgres so that the locale setting is hard-wired
> at compile time and not dependent on environment variables.

That is an excellent point.  I never considered that.  In fact, initdb
would also need identical locale, wouldn't it.

--  Bruce Momjian                        |  http://www.op.net/~candle maillist@candle.pha.pa.us            |  (610)
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