Hi, thanks your feedback but not have same error in my log file. I am using 
streaming replication and have 1 master and 2 slave nodes in async. master node 
different size file wal from slave nodes such as;
[root@master1 pg_wal]# ls | wc -l
6400
[root@slave2 pg_wal]# ls | wc -l
332
[root@slave3 pg_wal]#  ls | wc -l
344

wal_keep_segments = 512
max_wal_size = 2GB
min_wal_size = 1GB
data size : 290G
 cpu:8
ram:16
________________________________
Gönderen: Kyotaro Horiguchi <horikyota....@gmail.com>
Gönderildi: 3 Mart 2022 Perşembe 11:22
Kime: postgresdb...@outlook.com <postgresdb...@outlook.com>
Bilgi: pgsql-general@lists.postgresql.org <pgsql-general@lists.postgresql.org>
Konu: Re: Postgres Wal Full

At Thu, 3 Mar 2022 07:46:45 +0000, pgdba pgdba <postgresdb...@outlook.com> 
wrote in
> I have a problem from pg_wal. I am using postgresql version 11 and taking 
> backup and writing archive_command in postgresql.conf but did not archive wal 
> and my disk ise full from pg_wal. I research why is my wal is full and dont 
> found anything could  you help me please ?

The immediate cause of the WAL retension is the archive failure.
PostgreSQL, while archiving is enabled, won't remove a WAL file until
it is successfully archived.

You will see the lines like the following in sergver log if archive
failure happened.

> 2022-03-03 17:15:21.314 JST LOG:  archive command failed with exit code 1

If the archive command emitted some error messages, it can be caught
in the server log together.  The follwoing error is emitted by the
archive_command "cp %p /archive/%f".

> cp: cannot create regular file '/archive/000000010000000000000001': No such 
> file or directory

regards.

--
Kyotaro Horiguchi
NTT Open Source Software Center

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