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Re: how to calculate checkpoint_segments

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i think there is a bug in the checkpoint warning system.....
i had set =>
checkpoint_timeout  =  2000
checkpoint_warning =  2100
checkpoint_segments = 256 (for 1st run) and 64 (for 2nd run)
 
now i ran my test application.... my Wal-logs in PGDATA/pg_xlog increased by around 1.9 GB while in my log file there were only two warnings.... so i re-run the test application this time turned the archive on... the archive logs generated were also of around 2 GB..... but this time i had just one warning in my log file.....
 
now theoritically it should give me a warning each-time a checkpoint occurs.... but i am getting just one....
 
am i missing something or there is a problem....
....... and is there any other way by which i can check how frequently my database is checkpointing....
 
Regards
Himanshu

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