Re: Out of memory on SELECT in 8.3.5

> How about cat /proc/<pid>/limits for the postmaster?
> And maybe:
> status
> stat
> maps
>
> Though I'm kinda grasping at straws here, to be honest. I've had PG up
> and running through >16G of memory at a time before.

There is no /prod/<pid>/limits file, but here are

status:

Name: postmaster
State: S (sleeping)
SleepAVG: 95%
Tgid: 4698
Pid: 4698
PPid: 1
TracerPid: 0
Uid: 26 26 26 26
Gid: 26 26 26 26
FDSize: 1024
Groups: 26
VmPeak: 4301216 kB
VmSize: 4301204 kB
VmLck: 0 kB
VmHWM: 85980 kB
VmRSS: 85980 kB
VmData: 940 kB
VmStk: 84 kB
VmExe: 4480 kB
VmLib: 3512 kB
VmPTE: 284 kB
StaBrk: 00ade000 kB
Brk: 0c3db000 kB
StaStk: 7fff21fecf40 kB
Threads: 1
SigQ: 0/139264
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000001303000
SigCgt: 0000000000014a07
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000
Cpus_allowed: 7fffffff,ffffffff,ffffffff,ffffffff,ffffffff,ffffffff,ffffffff,ffffffff
Mems_allowed: 00000000,00000001

stat:

4698 (postmaster) S 1 4686 4686 0 -1 4202496 27092033 7777059343 31 2809
6684 47834 13037706 1828097 15 0 1 0 9296 4404432896 21495
18446744073709551615 4194304 8778268 140733763735360 18446744073709551615
232627404115 0 0 19935232 84487 0 0 0 17 2 0 0 69

maps:

00400000-00860000 r-xp 00000000 08:03 1120168
/opt/lms/64/postgres/8.3/bin/postgres
00a5f000-00a6b000 rw-p 0045f000 08:03 1120168
/opt/lms/64/postgres/8.3/bin/postgres
00a6b000-00ade000 rw-p 00a6b000 00:00 0
0c39c000-0c3db000 rw-p 0c39c000 00:00 0
3012200000-3012234000 r-xp 00000000 08:07 5237058
/usr/lib64/libxslt.so.1.1.17
3012234000-3012433000 ---p 00034000 08:07 5237058
/usr/lib64/libxslt.so.1.1.17
3012433000-3012435000 rw-p 00033000 08:07 5237058
/usr/lib64/libxslt.so.1.1.17
3012a00000-3012a05000 r-xp 00000000 08:07 457029
/lib64/libcrypt-2.5.so
3012a05000-3012c04000 ---p 00005000 08:07 457029
/lib64/libcrypt-2.5.so
3012c04000-3012c05000 r--p 00004000 08:07 457029
/lib64/libcrypt-2.5.so
3012c05000-3012c06000 rw-p 00005000 08:07 457029
/lib64/libcrypt-2.5.so
3012c06000-3012c34000 rw-p 3012c06000 00:00 0
3629600000-362961a000 r-xp 00000000 08:07 457227
/lib64/ld-2.5.so
3629819000-362981a000 r--p 00019000 08:07 457227
/lib64/ld-2.5.so
362981a000-362981b000 rw-p 0001a000 08:07 457227
/lib64/ld-2.5.so
3629a00000-3629b46000 r-xp 00000000 08:07 457228
/lib64/libc-2.5.so
3629b46000-3629d46000 ---p 00146000 08:07 457228
/lib64/libc-2.5.so
3629d46000-3629d4a000 r--p 00146000 08:07 457228
/lib64/libc-2.5.so
3629d4a000-3629d4b000 rw-p 0014a000 08:07 457228
/lib64/libc-2.5.so
3629d4b000-3629d50000 rw-p 3629d4b000 00:00 0
3629e00000-3629e02000 r-xp 00000000 08:07 457229
/lib64/libdl-2.5.so
3629e02000-362a002000 ---p 00002000 08:07 457229
/lib64/libdl-2.5.so
362a002000-362a003000 r--p 00002000 08:07 457229
/lib64/libdl-2.5.so
362a003000-362a004000 rw-p 00003000 08:07 457229
/lib64/libdl-2.5.so
362aa00000-362aa82000 r-xp 00000000 08:07 457235
/lib64/libm-2.5.so
362aa82000-362ac81000 ---p 00082000 08:07 457235
/lib64/libm-2.5.so
362ac81000-362ac82000 r--p 00081000 08:07 457235
/lib64/libm-2.5.so
362ac82000-362ac83000 rw-p 00082000 08:07 457235
/lib64/libm-2.5.so
362b600000-362b614000 r-xp 00000000 08:07 5231431
/usr/lib64/libz.so.1.2.3
362b614000-362b813000 ---p 00014000 08:07 5231431
/usr/lib64/libz.so.1.2.3
362b813000-362b814000 rw-p 00013000 08:07 5231431
/usr/lib64/libz.so.1.2.3
362ba00000-362bb33000 r-xp 00000000 08:07 5235374
/usr/lib64/libxml2.so.2.6.26
362bb33000-362bd33000 ---p 00133000 08:07 5235374
/usr/lib64/libxml2.so.2.6.26
362bd33000-362bd3c000 rw-p 00133000 08:07 5235374
/usr/lib64/libxml2.so.2.6.26
362bd3c000-362bd3d000 rw-p 362bd3c000 00:00 0
2aaaaaaab000-2aaaaaaac000 rw-p 2aaaaaaab000 00:00 0
2aaaaaabd000-2aaaaaac1000 rw-p 2aaaaaabd000 00:00 0
2aaaaaac1000-2aaaaaacb000 r-xp 00000000 08:07 456988
/lib64/libnss_files-2.5.so
2aaaaaacb000-2aaaaacca000 ---p 0000a000 08:07 456988
/lib64/libnss_files-2.5.so
2aaaaacca000-2aaaaaccb000 r--p 00009000 08:07 456988
/lib64/libnss_files-2.5.so
2aaaaaccb000-2aaaaaccc000 rw-p 0000a000 08:07 456988
/lib64/libnss_files-2.5.so
2aaaaaccc000-2aaaae299000 r--p 00000000 08:07 5229018
/usr/lib/locale/locale-archive
2aaaae299000-2aabafc41000 rw-s 00000000 00:08 0
/SYSV0063da81 (deleted)
7fff21fda000-7fff21fef000 rw-p 7fff21fda000 00:00 0
[stack]
ffffffffff600000-ffffffffffe00000 ---p 00000000 00:00 0
[vdso]

Hope this helps,
Matt