paulmataruso/zulip
1
0
Fork 0
mirror of https://github.com/zulip/zulip.git synced 2025-11-02 04:53:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

pg_backup_and_purge: Allow adjusting the backup concurrency.

Browse Source 
SSDs are good at parallel random reads.
This commit is contained in:
Alex Vandiver
2023-04-26 14:49:47 +00:00
committed by Tim Abbott
parent 19a11c9556
commit b8a6de95d2
2 changed files with 12 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
docs/production/deployment.md
View File

@@ -844,6 +844,13 @@ replicas](#postgresql-warm-standby). This is generally only set if you have
multiple warm standby replicas, in order to avoid taking multiple backups, one multiple warm standby replicas, in order to avoid taking multiple backups, one
per replica. per replica.
#### `backups_disk_concurrency`
Number of concurrent disk reads to use when taking backups. Defaults to 1; you
may wish to increase this if you are taking backups on a replica, so can afford
to affect other disk I/O, and have an SSD which is good at parallel random
reads.
#### `ssl_ca_file` #### `ssl_ca_file`
Set to the path to the PEM-encoded certificate authority used to Set to the path to the PEM-encoded certificate authority used to

6
puppet/zulip/files/postgresql/pg_backup_and_purge
View File

@@ -52,7 +52,11 @@ if len(pg_data_paths) != 1:
print(f"PostgreSQL installation is not unique: {pg_data_paths}") print(f"PostgreSQL installation is not unique: {pg_data_paths}")
sys.exit(1) sys.exit(1)
pg_data_path = pg_data_paths[0] pg_data_path = pg_data_paths[0]
subprocess.check_call(["env-wal-g", "backup-push", pg_data_path])
disk_concurrency = get_config("postgresql", "backups_disk_concurrency", "1")
env = os.environ.copy()
env["WALG_UPLOAD_DISK_CONCURRENCY"] = disk_concurrency
subprocess.check_call(["env-wal-g", "backup-push", pg_data_path], env=env)
now = datetime.now(tz=timezone.utc) now = datetime.now(tz=timezone.utc)
with open("/var/lib/nagios_state/last_postgresql_backup", "w") as f: with open("/var/lib/nagios_state/last_postgresql_backup", "w") as f: