On Mon, 25 Aug 2003, Jeff Boes wrote: > >One action we have consiously not done is "REINDEX" on the > >table. We want to avoid that as far as possible. > > Why? It's usually a very painless step, unless the table has millions and > millions of rows. We reindex tables with multiple indexes and several million > rows on a weekly basis. The only downside is that the table seems to be quite > "busy" during the process, which only takes a few minutes. > > AFAIK, VACUUM doesn't reclaim space taken up by indexes. In fact, the more > deletes you do, the larger the index space gets, and the *slower* the index > performs. A periodic REINDEX cleans up a lot of problems.
Note that in 7.4 the fix for this is in, so if you have a chance to test it out with your indexes and their growth problem please test it to see if it works right. I haven't tested 7.4 beta1 yet very hard, just on my workstation, with relatively low level stuff. ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
