server space increasing very fast but transaction are very low - Mailing list pgsql-performance

Hi all

 

My database server db01 is on linux environment and size of base folder increasing very fast unexpectedly(creating renamed files of 1 GB in base folder like 1667234568.10)

details as below

 

path of the table space/base file

 

/opt/appl/pgsql82/data/base/453447624/

 

[postgres@wcatlsatdb01 453447624]$ ls -ltrh 1662209326*
-rw-------  1 postgres postgres 1.0G Aug 27 06:32 1662209326
-rw-------  1 postgres postgres 1.0G Aug 30 02:16 1662209326.1
-rw-------  1 postgres postgres 1.0G Aug 30 17:39 1662209326.2
-rw-------  1 postgres postgres 1.0G Sep  1 05:42 1662209326.3
-rw-------  1 postgres postgres 1.0G Sep  2 09:28 1662209326.4
-rw-------  1 postgres postgres 1.0G Sep  4 10:08 1662209326.5
-rw-------  1 postgres postgres 1.0G Sep  6 02:17 1662209326.6
-rw-------  1 postgres postgres 1.0G Sep  8 03:43 1662209326.7
-rw-------  1 postgres postgres 1.0G Sep  8 08:16 1662209326.8
-rw-------  1 postgres postgres 1.0G Sep 10 10:53 1662209326.9
-rw-------  1 postgres postgres 1.0G Sep 11 04:59 1662209326.10
-rw-------  1 postgres postgres 1.0G Sep 13 05:22 1662209326.11
-rw-------  1 postgres postgres 1.0G Sep 15 01:43 1662209326.12
-rw-------  1 postgres postgres 1.0G Sep 16 08:32 1662209326.13
-rw-------  1 postgres postgres 1.0G Sep 17 14:30 1662209326.14
-rw-------  1 postgres postgres 1.0G Sep 19 07:24 1662209326.15
-rw-------  1 postgres postgres 1.0G Sep 21 02:55 1662209326.16
-rw-------  1 postgres postgres 1.0G Sep 22 09:59 1662209326.17
-rw-------  1 postgres postgres 1.0G Sep 23 06:22 1662209326.18
-rw-------  1 postgres postgres 1.0G Sep 25 08:42 1662209326.19
-rw-------  1 postgres postgres 1.0G Sep 26 04:13 1662209326.20
-rw-------  1 postgres postgres 1.0G Sep 29 03:58 1662209326.21
-rw-------  1 postgres postgres 1.0G Sep 29 08:06 1662209326.22
-rw-------  1 postgres postgres 1.0G Oct  2 02:23 1662209326.23
-rw-------  1 postgres postgres 1.0G Oct  2 06:45 1662209326.24
-rw-------  1 postgres postgres 1.0G Oct  5 03:17 1662209326.25
-rw-------  1 postgres postgres 1.0G Oct  5 14:39 1662209326.26
-rw-------  1 postgres postgres 1.0G Oct  7 08:46 1662209326.27
-rw-------  1 postgres postgres 1.0G Oct  8 18:24 1662209326.28
-rw-------  1 postgres postgres 1.0G Oct 10 08:24 1662209326.29
-rw-------  1 postgres postgres 1.0G Oct 12 03:24 1662209326.30
-rw-------  1 postgres postgres 1.0G Oct 14 02:31 1662209326.31
-rw-------  1 postgres postgres 1.0G Oct 16 02:36 1662209326.32
-rw-------  1 postgres postgres 1.0G Oct 17 02:37 1662209326.33
-rw-------  1 postgres postgres 1.0G Oct 19 02:37 1662209326.34
-rw-------  1 postgres postgres 1.0G Oct 20 04:45 1662209326.35
-rw-------  1 postgres postgres 1.0G Oct 22 02:37 1662209326.36
-rw-------  1 postgres postgres 1.0G Oct 23 02:37 1662209326.37
-rw-------  1 postgres postgres 1.0G Oct 25 02:38 1662209326.38
-rw-------  1 postgres postgres 1.0G Oct 26 02:40 1662209326.39
-rw-------  1 postgres postgres 1.0G Oct 28 02:40 1662209326.40
-rw-------  1 postgres postgres 1.0G Oct 29 02:39 1662209326.41
-rw-------  1 postgres postgres 1.0G Oct 31 05:11 1662209326.42
-rw-------  1 postgres postgres 1.0G Nov  1 02:43 1662209326.43
-rw-------  1 postgres postgres 1.0G Nov  3 03:31 1662209326.44
-rw-------  1 postgres postgres 1.0G Nov  4 03:18 1662209326.45
-rw-------  1 postgres postgres 1.0G Nov  6 02:37 1662209326.46
-rw-------  1 postgres postgres 1.0G Nov  6 02:38 1662209326.47
-rw-------  1 postgres postgres 249M Nov  6 02:39 1662209326.48
[postgres@wcatlsatdb01 453447624]$

what is significance of these files and how can i avoid it.can i delete these renamed files from base folder or any thing else. Please  help

 

with regards!