Hello:
I have been trying to improve the performance of my 8.3.3 postgres
database, running on solaris 10. I have been playing around with a few
configuration settings, including the shared_buffers because I have
sluggish performance when accessing some very large tables, and the
maintence_work_mem because my database is showing signs of bloat.
What I'm not sure about is how to measure the success of these
configuration changes. In order to test the change in shared_buffers, I
tried running pg_bench and explain analyze on some slow queries but
there is quite a bit of variation in these metrics. I can check the size
of some of the tables that have shown bloat, but that is fairly slow
feedback. Are there better metrics to check these config changes?
Thanks in advance!
Mija
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