[Pgpool-general] pgpool 2.2.4: DEALLOCATED children

Agustin Almonte Ferrada aalmonte at antica.cl
Fri Sep 11 06:46:51 UTC 2009


Hi,

I'm testing pgpool 2.2.4 with some problems.... i hope someone can  
help me to figure out what the problem is.


I have two backends that unfortunately have diferences, that's the  
initial scenario when i started pgpool, everything goes well for some  
seconds but after a while a lot of error come out:

(filtered output)
2009-09-11 02:19:03 ERROR: pid 28468: pool_flush_it: write failed  
(Broken pipe) offset: 0 wlen: 12
2009-09-11 02:19:03 ERROR: pid 27857: pool_flush_it: write failed  
(Broken pipe) offset: 0 wlen: 12
2009-09-11 02:19:03 ERROR: pid 27857: pool_read_kind: kind does not  
match between master(73) slot[1] (84)
2009-09-11 02:19:03 ERROR: pid 28235: pool_read_kind: kind does not  
match between master(84) slot[1] (73)
2009-09-11 02:19:03 ERROR: pid 28414: pool_flush_it: write failed  
(Broken pipe) offset: 0 wlen: 12
2009-09-11 02:19:03 ERROR: pid 27866: pool_flush_it: write failed  
(Broken pipe) offset: 0 wlen: 12
2009-09-11 02:19:03 ERROR: pid 28414: pool_read_kind: kind does not  
match between master(73) slot[1] (84)
2009-09-11 02:19:03 ERROR: pid 28310: pool_flush_it: write failed  
(Broken pipe) offset: 0 wlen: 12
2009-09-11 02:19:03 ERROR: pid 28469: pool_read_kind: kind does not  
match between master(73) slot[1] (84)
2009-09-11 02:19:03 ERROR: pid 28419: pool_flush_it: write failed  
(Broken pipe) offset: 0 wlen: 5
2009-09-11 02:19:03 ERROR: pid 28419: pool_flush_it: write failed  
(Broken pipe) offset: 0 wlen: 149
2009-09-11 02:19:03 ERROR: pid 27866: pool_read_kind: kind does not  
match between master(84) slot[1] (73)
2009-09-11 02:19:03 ERROR: pid 28310: pool_read_kind: kind does not  
match between master(84) slot[1] (73)
2009-09-11 02:19:03 ERROR: pid 28221: pool_flush_it: write failed  
(Broken pipe) offset: 0 wlen: 5

pgpool processes go from:

root     28166 27814  0 02:13 ?        00:00:00 pgpool: wait for  
connection request
root     28167 27814  0 02:13 ?        00:00:00 pgpool: wait for  
connection request
root     28169 27814  6 02:13 ?        00:00:10 pgpool: sess sess  
127.0.0.1(43911) DEALLOCATE
root     28170 27814  0 02:13 ?        00:00:00 pgpool: wait for  
connection request
root     28174 27814  0 02:13 ?        00:00:00 pgpool: sess sess  
127.0.0.1(35292) idle
root     28178 27814  1 02:13 ?        00:00:02 pgpool: sess sess  
127.0.0.1(44647) DEALLOCATE
root     28179 27814  1 02:13 ?        00:00:02 pgpool: sess sess  
127.0.0.1(47125) DEALLOCATE
root     28181 27814  0 02:13 ?        00:00:00 pgpool: wait for  
connection request
root     28182 27814  0 02:13 ?        00:00:00 pgpool: sess sess  
127.0.0.1(52477) idle
root     28187 27814  0 02:13 ?        00:00:00 pgpool: wait for  
connection request
root     28193 27814  0 02:14 ?        00:00:00 pgpool: wait for  
connection request
root     28194 27814  0 02:14 ?        00:00:00 pgpool: wait for  
connection request
root     28195 27814  0 02:14 ?        00:00:00 pgpool: wait for  
connection request


to:

root     27853 27814  0 02:11 ?        00:00:01 pgpool: sess sess  
127.0.0.1(58341) DEALLOCATE
root     27887 27814  7 02:11 ?        00:00:21 pgpool: sess sess  
127.0.0.1(49142) DEALLOCATE
root     27897 27814  4 02:11 ?        00:00:14 pgpool: sess sess  
127.0.0.1(58998) DEALLOCATE
root     27922 27814  5 02:11 ?        00:00:16 pgpool: sess sess  
127.0.0.1(49541) DEALLOCATE
root     27923 27814 11 02:11 ?        00:00:34 pgpool: sess sess  
127.0.0.1(36883) DEALLOCATE
root     27933 27814  7 02:11 ?        00:00:21 pgpool: sess sess  
127.0.0.1(42722) DEALLOCATE
root     27937 27814  7 02:11 ?        00:00:22 pgpool: sess sess  
127.0.0.1(52656) DEALLOCATE
root     27939 27814  3 02:11 ?        00:00:10 pgpool: sess sess  
127.0.0.1(47648) DEALLOCATE
root     27947 27814 11 02:11 ?        00:00:35 pgpool: sess sess  
127.0.0.1(44597) DEALLOCATE
root     27952 27814  5 02:11 ?        00:00:16 pgpool: sess sess  
127.0.0.1(57546) DEALLOCATE
root     27954 27814 11 02:11 ?        00:00:34 pgpool: sess sess  
127.0.0.1(50946) DEALLOCATE
root     28155 27814  2 02:12 ?        00:00:04 pgpool: sess sess  
127.0.0.1(47095) DEALLOCATE
root     28159 27814  0 02:13 ?        00:00:00 pgpool: sess sess  
127.0.0.1(52691) DEALLOCATE
root     28163 27814  6 02:13 ?        00:00:10 pgpool: sess sess  
127.0.0.1(56219) DEALLOCATE
root     28169 27814  6 02:13 ?        00:00:11 pgpool: sess sess  
127.0.0.1(43911) DEALLOCATE
root     28178 27814  1 02:13 ?        00:00:02 pgpool: sess sess  
127.0.0.1(44647) DEALLOCATE


And then everything stop working....


Is this a normal behaviour when backends are diferents? What can be  
the reason for children going to DEALLOCATE state?


Thanks in Advance
Agustín Almonte F.







More information about the Pgpool-general mailing list