PGbackrest very slow!

[global]

backup-standby=y

repo1-path=/postgresql/backup

repo1-retention-full=2

start-fast=y

[PG]

pg1-path=/postgresql/data

pg2-host=node2

pg2-host-user=postgres

pg2-path=/postgresql/data

pg3-host=node3

pg3-host-user=postgres

pg3-path=/postgresql/data

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I run the backuplike this

/usr/bin/pgbackrest --log-level-console=detail --stanza=PG --type=full backup

The backup of 50GB took 40 min.

It is not a network issue. I tested to transfer 2GB between two host and it took 4 sec.

I think backup-standby=y slows down the backup out of all minds.

Br Pär