Tomeh, Husam wrote: > > Nothing was running except the job. The server did not look stressed out > looking at top and vmstat. We have seen slower query performance when > performing load tests, so I run the re-index on all application indexes > and then issue a full vacuum. I ran the same thing on a staging server > and it took less than 12 hours. Is there a possibility the DB pages are > corrupted. Is there a command to verify that. (In Oracle, there's a > dbverify command that checks for corruption on the data files level). > > The other question I have. What would be the proper approach to rebuild > indexes. I re-indexes and then run vacuum/analyze. Should I not use the > re-index approach, and instead, drop the indexes, vacuum the tables, and > then create the indexes, then run analyze on tables and indexes??
I *think* if you are planning on dropping the indexes anyway, just drop them, VACUUM ANALYZE, and then recreate them, I don't think you have to re-analyze after you have recreated them. John =:-> > > Thanks, > >
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