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< * Consider use of open/fcntl(O_DIRECT) to minimize OS caching
> * Consider use of open/fcntl(O_DIRECT) to minimize OS caching,
>   especially for WAL writes
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Bruce Momjian 2005-02-21 04:58:52 +00:00
parent 99bf6a1634
commit d5b98e4ce0
1 changed files with 3 additions and 2 deletions
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@ -2,7 +2,7 @@
TODO list for PostgreSQL TODO list for PostgreSQL
======================== ========================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Mon Feb 14 22:54:13 EST 2005 Last updated: Sun Feb 20 23:58:46 EST 2005
The most recent version of this document can be viewed at the PostgreSQL web The most recent version of this document can be viewed at the PostgreSQL web
site, http://www.PostgreSQL.org. site, http://www.PostgreSQL.org.
@ -674,7 +674,8 @@ Cache
backends that also have the file open, and the feature is not supported backends that also have the file open, and the feature is not supported
on all operating systems. on all operating systems.
* Consider use of open/fcntl(O_DIRECT) to minimize OS caching * Consider use of open/fcntl(O_DIRECT) to minimize OS caching,
especially for WAL writes
* Cache last known per-tuple offsets to speed long tuple access * Cache last known per-tuple offsets to speed long tuple access
While column offsets are already cached, the cache can not be used if While column offsets are already cached, the cache can not be used if