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< * Consider use of open/fcntl(O_DIRECT) to minimize OS caching, < especially for WAL writes > * -Consider use of open/fcntl(O_DIRECT) to minimize OS caching, > for WAL writes
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doc/TODO
6
doc/TODO
@ -2,7 +2,7 @@
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PostgreSQL TODO List
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====================
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Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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Last updated: Mon Jul 25 11:26:58 EDT 2005
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Last updated: Thu Jul 28 23:22:50 EDT 2005
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The most recent version of this document can be viewed at
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http://www.postgresql.org/docs/faqs.TODO.html.
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@ -791,8 +791,8 @@ Cache Usage
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backends that also have the file open, and the feature is not supported
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on all operating systems.
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* Consider use of open/fcntl(O_DIRECT) to minimize OS caching,
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especially for WAL writes
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* -Consider use of open/fcntl(O_DIRECT) to minimize OS caching,
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for WAL writes
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O_DIRECT doesn't have the same media write guarantees as fsync, so it
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is in addition to the fsync method, not in place of it.
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