Wal sync odirect

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От Миша Тюрин
Тема Wal sync odirect
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Msg-id 1374415269.400787661@f318.i.mail.ru
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Ответы Re: Wal sync odirect  (Craig Ringer <craig@2ndquadrant.com>)
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hi, list. there are my proposal. i would like to tell about odirect in wal sync in wal_level is higher than minimal. i
thinkin my case when wal traffic is up to 1gb per 2-3 minutes but discs hardware with 2gb bbu cache (or maybe ssd under
wal)- there would be better if wall traffic could not harm os memory eviction. and i do not use streaming. my archive
commandmay read wal directly without os cache. just opinion, i have not done any tests yet. but i am still under the
somememory eviction anomaly. 

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