Re: pg_stats not getting updated....

--- Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Himanshu Baweja <himanshubaweja(at)yahoo(dot)com> writes:
> > "SELECT pg_stat_get_db_blocks_fetched(764755937),
> > pg_stat_get_db_blocks_hit(764755937);"
> > gives be constantly increasing stats and
>
> > "SELECT relname,heap_blks_read from
> > pg_statio_user_tables order by heap_blks_read DESC
> > LIMIT 15;"
>
> > is still showing me all zero 4 mins into the test
> > until i first vacuum analyze is done....
>
> Um, looking at the view definition, heap_blks_read
> is the *difference*
> between blocks_fetched and blocks_hit ... is it
> possible your test is
> testing a 100%-cached situation, such that those two
> numbers increase
> in lockstep?
>
> regards, tom lane
>

both blocks fetched and block reads are zero... had
already checked for that.... => block hit is also
zero...

any ideas now...

thx
Himanshu

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