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pg_backup_and_purge: Allow adjusting the backup concurrency.

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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
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6
puppet/zulip/files/postgresql/pg_backup_and_purge
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@@ -52,7 +52,11 @@ if len(pg_data_paths) != 1:
print(f"PostgreSQL installation is not unique: {pg_data_paths}")
sys.exit(1)
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)
with open("/var/lib/nagios_state/last_postgresql_backup", "w") as f: