InfluxDB : Backup and Restore2023/07/06 |
This is how to back up and restore InfluxDB database.
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[1] | Back up a database. |
# backup [test_database] to [/home/influxd_backup] root@dlp:~# influxd backup -database test_database /home/influxd_backup 2023/07/05 19:17:06 backing up metastore to /home/influxd_backup/meta.00 2023/07/05 19:17:06 backing up db=test_database 2023/07/05 19:17:06 backing up db=test_database rp=autogen shard=4 to /home/influxd_backup/test_database.autogen.00004.00 since 0001-01-01T00:00:00Z 2023/07/05 19:17:06 backup complete: 2023/07/05 19:17:06 /home/influxd_backup/home/influxd_backup/meta.00 2023/07/05 19:17:06 /home/influxd_backup/home/influxd_backup/test_database.autogen.00004.00root@dlp:~# ll /home/influxd_backup total 8 -rw-r--r-- 1 root root 515 Jul 5 19:17 meta.00 -rw-r--r-- 1 root root 2048 Jul 5 19:17 test_database.autogen.00004.00 # possible to backup specific retention policy or retention duration like follows root@dlp:~# influxd backup -database test_database -retention one_day -since 2023-07-05T00:00:00Z /home/influxd_backup |
[2] | Restore a Backup database. |
# run restore command # [-metadir] : target directory meta data is restored (follow is the default location) # [-datadir] : target directory database is restored (follow is the default location) # [-database] : target database name restored root@dlp:~# influxd restore -metadir /var/lib/influxdb/meta -datadir /var/lib/influxdb/data -database test_database /home/influxd_backup Using metastore snapshot: /home/influxd_backup/meta.00 2023/07/05 19:18:40 Restoring offline from backup /home/influxd_backup/test_database.*
root@dlp:~#
chown -R influxdb:influxdb /var/lib/influxdb/{meta,data} root@dlp:~# systemctl start influxdb
# verify resotored data root@dlp:~# influx -username admin -password adminpassword -database test_database -precision rfc3339 -execute 'select * from weather' name: weather time location temperature ---- -------- ----------- 2023-07-06T00:23:11.525199905Z hiroshima 20 2023-07-06T00:23:15.061760047Z hiroshima 22 2023-07-06T00:23:18.382129025Z osaka 18 2023-07-06T00:23:22.790775012Z osaka 19 |
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