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help / color / mirror / Atom feedFrom: KK CHN <[email protected]>
To: [email protected]
Subject: Pgbackrest info output interpretation
Date: Fri, 14 Nov 2025 14:02:38 +0530
Message-ID: <CAKgGyB-4HmSMCg8L1_HCvK6jF=-bJtxn9v4oCH-jY0EdzKH-Lw@mail.gmail.com> (raw)
Hi,
I am having confusion trying to understand the database size, backupsize
and repo backup size..
In my DB server I have du output as follows.
/data/edb/as16
[root@db1 as16]# du -h -d 1
5.3G ./data
25G ./tablespace
30G .
[root@db1 as16]#
On my Repo Server pgbackest info says ....
full backup: 20251114-121504F
timestamp start/stop: 2025-11-14 12:15:04+05:30 / 2025-11-14
12:20:58+05:30
wal start/stop: 000000010000000500000024 /
000000010000000500000024
database size: 3GB, database backup size: 3GB
repo1: backup size: 431.0MB
Could someone shed some light on 431 MB and database size:3GB, database
backup size : 3GB compared to the DB cluster on disk usage output ?
How to correlate the pgbackrest ( info) database size, database backup size
and repo1 backup size and actual du output on DB cluster.
Note: I am using zst compression on pgbackrest
Regards,
Krishane
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