From 1719435ec76dd78d0b0aa890b18167b57a6e236f Mon Sep 17 00:00:00 2001 From: Stephen Smoogen Date: Mon, 25 Jun 2018 16:26:58 +0000 Subject: [PATCH] try to make pxz a little less likely to starve itselv --- roles/postgresql_server/files/backup-database | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/roles/postgresql_server/files/backup-database b/roles/postgresql_server/files/backup-database index ba5e5fd30c..9e43546988 100644 --- a/roles/postgresql_server/files/backup-database +++ b/roles/postgresql_server/files/backup-database @@ -7,7 +7,10 @@ sleep $[ ( $RANDOM % 7200 ) + 1 ]s DB=$1 # Make our latest backup -/usr/bin/pg_dump --exclude-table-data=sessions -C $DB | /usr/bin/pxz > /backups/$DB-$(date +%F).dump.xz +# Make it use a limited number of threads because pxz will use all the +# cpus which causes pg_dump to starve which causes... + +/usr/bin/pg_dump --exclude-table-data=sessions -C $DB | /usr/bin/pxz -T4 > /backups/$DB-$(date +%F).dump.xz # Also, delete the backup from a few days ago. rm -f /backups/$DB-$(date --date="1 days ago" +%F).dump.xz