Re: postgres is not using tas

"Luis Alberto Amigo Navarro" <lamigo@atc.unican.es> writes:
> If i track a single backend during an 8 read-only queries parallel execution
> these are the results(
> System call summary:
>                         Average     Total
> Name           #Calls  Time(ms)  Time(ms)
> -----------------------------------------
> semop            3803      0.20    774.03
> select              4     19.58     78.33
> recv                1      2.41      2.41
> brk                 6      0.08      0.48
> close               1      0.14      0.14
> send                1      0.14      0.14
> semctl              1      0.05      0.05
> prctl               1      0.01      0.01
> exit                1      0.00      0.00

Considering that there are no read() or write() calls listed, and that
8 client queries would surely require at least one send() and one recv()
apiece, I don't think I believe a word of those stats.  Well, maybe the
1 exit() is correct ;-)
        regards, tom lane