Hello,
I would like to better understand the semantics of the statistics shown in PostgreSQL Logs. For example, in the report:
DETAIL: ! system usage stats:
! 0.000100 elapsed 0.000000 user 0.000000 system sec
! [0.016997 user 0.006998 sys total]
! 0/0 [0/0] filesystem blocks in/out
! 0/2 [0/1301] page faults/reclaims, 0 [0] swaps
! 0 [0] signals rcvd, 0/0 [0/0] messages rcvd/sent
! 0/0 [6/20] voluntary/involuntary context switches
! buffer usage stats:
! Shared blocks: 1 read, 0 written, buffer hit rate = 0.00%
! Local blocks: 0 read, 0 written, buffer hit rate = 0.00%
! Direct blocks: 0 read, 0 written
What each element of this report mean?
many thanks.
[Camilo Porto]
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