i just noted one more thing...
pg_stat_get_db_blocks_fetched/hit is getting updated
but pg_stat_get_blocks_fetched/hit are not getting
updated.....
why is this happening..
Regards
Himanshu
--- Himanshu Baweja <[EMAIL PROTECTED]> wrote:
> wht i wanted to do is... identify the tables which
> are getting used simultaneously... so that i can
> move them to different tablespaces....
>
> for that i tried to do sampling of
> "pg_statio_user_tables" for top 20 tables...(in
> terms of usage)... so that i know how much io is
> being done... for different tables and when....
>
> now the problem is... pg_statio_user_tables is not
> getting updated... at least wht i am able to make
> out of documentation is they should be updated
> regularly at each commit... but i am doing lots of
> commits in my test application....
>
> also docs state that withing each transaction block
> postgres tries to give the same stats.... forget abt
> transaction blocks.. i even tried.. disconnecting
> and then reconnecting my sampling application every
> two mins... but no use... each time i am getting
> same stats...(only 4 updates in 30mins).....
>
> one more thing that i noted is each time i run
> analyze.... pg_statio_user_tables is updated....
>
> plz note that all pg_stat* tables are not getting
> updated not just pg_statio*....
> i posted in general mailing list but no satisfying
> reply so i thought maybe u all can tell whts
> happening......
>
> thx
> Himanshu
>
>
>
>
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