there are some performance issues on a server and by searching in the logs i
noticed that the phases of parse and bind take considerably more time than
execute for most of the queries. i guess that the right thing to do in this
case is to use functions or prepare statements but in any case, what could
be the cause of this?
information about the server->
-CentOS 5.6
-4-cores
-12GB ram
shared_buffers: 1 GB
temp_buffers = 100MB
work_mem : 30 MB
maintenance_mem: 512 MB
database_size: 1,5 GB
archive_mode is ON
vacuum/analyze (vacuum_scale_factor 0.1, analyze 0.05)
this behaviour is not related with checkpoints on the database (as indicated
by the logs, i dont see this latency when a checkpoint occurs, i see it most
of the time)
so my question is the following; what can cause the bind/parse phases to
take so much longer than the execute? if you need any more info the server i
ll be glad to provide it. thank you in advance for your advice
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