17 lines
530 B
Text
17 lines
530 B
Text
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#!/bin/bash
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# Backup a database *locally* to /backups/.
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# Sleep a bit so we do not have a thundering herd on db hosts
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sleep $[ ( $RANDOM % 7200 ) + 1 ]s
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DB=$1
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# Make our latest backup
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# Make it use a limited number of threads because pxz will use all the
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# cpus which causes pg_dump to starve which causes...
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/usr/bin/pg_dump --exclude-table-data=sessions -C $DB | /usr/bin/pxz -T24 > /backups/$DB-$(date +%F).dump.xz
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# Also, delete the backup from a few days ago.
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rm -f /backups/$DB-$(date --date="1 days ago" +%F).dump.xz
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