Re: What happens on a commit? - Mailing list pgsql-admin

From Chris Hoover
Subject Re: What happens on a commit?
Date
Msg-id 1d219a6f0705221110v6718eaa1w67e17ac0c940772a@mail.gmail.com
Whole thread Raw
In response to What happens on a commit?  ("Chris Hoover" <revoohc@gmail.com>)
Responses Re: What happens on a commit?  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-admin
I found an e-mail showing how to strace and here is what I have found.  Does it help/mean anything to those who can decode this?

We are installing PostgreSQL from the official rpms.

Chris

 time strace -c -p 2690
Process 2690 attached - interrupt to quit
Process 2690 detached
% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 42.80   13.003288          251     51790           recv
 17.47    5.306686          30    175916           send
 16.23    4.930150          14    342118           stat64
 10.26    3.117593          18    174533           write
  8.22    2.497767           9    292070           gettimeofday
  2.63    0.798323         462      1727           fdatasync
  1.83    0.554745           6     92179           _llseek
  0.46    0.138782          11     12896           brk
  0.09    0.026920          19      1433           semop
  0.02    0.006847           4      1734           time
  0.00    0.000494          16        31           read
  0.00    0.000253          23        11           open
  0.00    0.000088           7        12           close
  0.00    0.000013          13         1           kill
  0.00    0.000010          10         1           sigreturn
  0.00    0.000001           1         1           fsync
------ ----------- ----------- --------- --------- ----------------
100.00   30.381960               1146453           total

real    27m21.090s
user    0m5.379s
sys     0m23.073s

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