On Tue, 2003-09-02 at 04:08, Vivek Khera wrote: > I use it in 24/7/365 system which is heavily written to and read > from. The drawbacks I have are: How depressing, may I ask that PG version you are using ?
> 1) upgrade to major versions require dump/restore which is a > significant amount of downtime for a large DB. Ok, this is not a thing you do very often, and it would help is we got a "diff" (since last backup) pg_dump. As one could install the new DB in parallel with produktion, and then just apply the diff dump on the db swap. > 2) the need to run vacuum on tables to keep them from bloating too > much. on my system which is very busy, sometimes running vacuum > pushes the disk beyond its limits and slows the whole system to a > crawl. How often does this vacuum run, and how many delete/updates are there in between ? > 3) Index bloat is apparently a bigger problem than I thought. This does not sound too nice ! > If you want commercial support, it is out there. There are at least > two companies offering it. But you have not been unsing any of there services ? /BL ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings