Can I safely remove what appear to be obsolete temp files - Mailing list pgsql-general

From Reid Thompson
Subject Can I safely remove what appear to be obsolete temp files
Date
Msg-id 4E034A2C.7000505@ateb.com
Whole thread Raw
List pgsql-general
My postgresql instance was last started on Apr21.
In my temp space directory, I have various files that I believe are orphaned.
Given the information below, can I safely rm the files in /mnt/iscsi/psql_tmp/tmpdata/41099 that are older than Jun 22?
If yes, should these files have been cleaned up by the restart on Apr21?
If yes, if I restart the DB today/in the next few days and the files from Jun 22 remain after the restart, can I safely
rmthem? 

thanks,
reid

reporting=# \db
                  List of tablespaces
     Name    |  Owner   |          Location
------------+----------+-----------------------------
  indexspace | postgres | /mnt/iscsi/psql_idx/idxdata
  pg_default | postgres |
  pg_global  | postgres |
  tempspace  | postgres | /mnt/iscsi/psql_tmp/tmpdata


postgres@hw-prod-repdb1> ps -ef|grep postg |grep -v idle
postgres 19895     1  0 Apr21 ?        00:05:19 /usr/bin/postmaster -p 5432 -D /mnt/iscsi/psql/data
postgres 19903 19895  0 Apr21 ?        00:00:10 postgres: logger process
postgres 19906 19895  0 Apr21 ?        00:10:34 postgres: writer process
postgres 19907 19895  0 Apr21 ?        00:02:04 postgres: wal writer process
postgres 19908 19895  0 Apr21 ?        00:08:42 postgres: stats collector process
root     21228 16899  0 08:08 pts/4    00:00:00 su - postgres
postgres 21230 21228  0 08:08 pts/4    00:00:00 -bash
postgres 24485 21230  0 10:02 pts/4    00:00:00 ps -ef
postgres 24486 21230  0 10:02 pts/4    00:00:00 grep postg

postgres@hw-prod-repdb1> pwd
/mnt/iscsi/psql_tmp/tmpdata/41099

postgres@hw-prod-repdb1> ls -rlt
total 3044944
-rw------- 1 postgres postgres       8192 Mar 12  2010 88326
-rw------- 1 postgres postgres          0 Mar 12  2010 88324
-rw------- 1 postgres postgres          0 Mar 16  2010 88580
-rw------- 1 postgres postgres          0 Mar 16  2010 88577.3
-rw------- 1 postgres postgres          0 Mar 16  2010 88577.4
-rw------- 1 postgres postgres          0 Mar 16  2010 88577.5
-rw------- 1 postgres postgres       8192 Mar 16  2010 88592
-rw------- 1 postgres postgres       8192 Jun  2  2010 94968
-rw------- 1 postgres postgres          0 Jun  2  2010 94966
-rw------- 1 postgres postgres       8192 Jun  2  2010 94974
-rw------- 1 postgres postgres          0 Jun  2  2010 94972
-rw------- 1 postgres postgres       8192 Aug 26  2010 104559
-rw------- 1 postgres postgres          0 Aug 26  2010 104557
-rw------- 1 postgres postgres 1073741824 Oct 27  2010 88577
-rw------- 1 postgres postgres 1073741824 Oct 27  2010 88577.1
-rw------- 1 postgres postgres  862986240 Oct 27  2010 88577.2
-rw------- 1 postgres postgres     499712 Nov  2  2010 111724
-rw------- 1 postgres postgres   44523520 Dec  7  2010 94963
-rw------- 1 postgres postgres   25657344 Dec  7  2010 94969
-rw------- 1 postgres postgres   33628160 Jun 22 18:46 88321
-rw------- 1 postgres postgres      16384 Jun 22 19:49 104560
-rw------- 1 postgres postgres      16384 Jun 22 19:49 104554

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