Re: pgsql-server: Add: > > * Allow buffered WAL writes and fsync > >

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От Tom Lane
Тема Re: pgsql-server: Add: > > * Allow buffered WAL writes and fsync > >
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Msg-id 856.1092453339@sss.pgh.pa.us
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Ответ на pgsql-server: Add: > > * Allow buffered WAL writes and fsync > >  (momjian@svr1.postgresql.org (Bruce Momjian))
Ответы Re: pgsql-server: Add: > > * Allow buffered WAL writes  (Bruce Momjian <pgman@candle.pha.pa.us>)
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momjian@svr1.postgresql.org (Bruce Momjian) writes:
> Add:
>> * Allow buffered WAL writes and fsync
>>
>> Instead of guaranteeing recovery of all committed transactions, this
>> would provide improved performance by delaying WAL writes and fsync
>> so an abrupt operating system restart might lose a few seconds of
>> committed transactions but still be consistent.

Who exactly signed onto this as a good idea?  It sure doesn't square
with my ideas of an ACID database.  Committed means committed, not
"maybe if you're lucky committed".

            regards, tom lane

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