1
0
mirror of https://github.com/postgres/postgres.git synced 2025-07-30 11:03:19 +03:00

Add description:

>
>   O_DIRECT doesn't have the same media write guarantees as fsync, so it
>   is in addition to the fsync method, not in place of it.
>
This commit is contained in:
Bruce Momjian
2005-06-04 16:53:48 +00:00
parent 1bc9235224
commit 487990e1f1
2 changed files with 9 additions and 2 deletions

View File

@ -2,7 +2,7 @@
PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Fri Jun 3 17:42:10 EDT 2005
Last updated: Sat Jun 4 12:53:41 EDT 2005
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@ -722,6 +722,10 @@ Cache
* Consider use of open/fcntl(O_DIRECT) to minimize OS caching,
especially for WAL writes
O_DIRECT doesn't have the same media write guarantees as fsync, so it
is in addition to the fsync method, not in place of it.
* -Cache last known per-tuple offsets to speed long tuple access
* Speed up COUNT(*)