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> * Consider using MVCC to cache count(*) queries with no WHERE clause
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Bruce Momjian 2003-05-31 02:31:50 +00:00
parent 2f1d96c3e0
commit 944b162305
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@ -1,6 +1,6 @@
TODO list for PostgreSQL TODO list for PostgreSQL
======================== ========================
Last updated: Mon May 26 14:36:44 EDT 2003 Last updated: Fri May 30 22:31:44 EDT 2003
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@ -329,6 +329,7 @@ Cache
* Consider use of open/fcntl(O_DIRECT) to minimize OS caching * Consider use of open/fcntl(O_DIRECT) to minimize OS caching
* Make blind writes go through the file descriptor cache * Make blind writes go through the file descriptor cache
* Cache last known per-tuple offsets to speed long tuple access * Cache last known per-tuple offsets to speed long tuple access
* Consider using MVCC to cache count(*) queries with no WHERE clause
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