Details
Critical Description
Install Couchbase Server 4.5.1-2861 on 2 centos 7.2 servers.
Create a cluster of 2 nodes.
Create default bucket.
Load 100K items into bucket with key start with "1-"
Delete 50K items with key start with "1-"
Load another 50K items with key start with "2-"
Check if delete keys still in vbucket 0
[root@s44017 ~]# /opt/couchbase/bin/couch_dbdump /opt/couchbase/var/lib/couchbase/data/default/0.couch.1 | grep deleted |
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[root@s44017 ~]# |
Backup default bucket. Only half keys (50K) backup.
[root@s44017 ~]# /opt/couchbase/bin/cbbackupmgr list --repo test --archive /tmp/backup/ |
Size Items Name
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40.54MB - + test |
40.54MB - + 2017-03-24T08_27_32.869324048-07_00 |
40.54MB - + default |
295B 0 bucket-config.json |
40.54MB 50000 + data |
40.54MB 50000 shard_0.fdb |
2B 0 full-text.json |
190B 0 gsi.json |
2B 0 views.json |
[root@s44017 ~]# |
Purge deletes from all vbuckets.
/opt/couchbase/bin/cbcompact 172.23.121.226:11210 compact $i --dropdeletes --purge-only-upto-seq=100000 |
/opt/couchbase/bin/cbcompact 172.23.121.227:11210 compact $i --dropdeletes --purge-only-upto-seq=100000 |
Check if delete keys not in bucket any more. No deleted items in vbucket 0
[root@s44017 ~]# /opt/couchbase/bin/couch_dbdump /opt/couchbase/var/lib/couchbase/data/default/0.couch.3 | grep deleted |
[root@s44017 ~]# |
Load another 25K items with key start "3-"
Check total items in default bucket.
[root@s44017 ~]# /opt/couchbase/bin/cbstats 172.23.121.226:11211 all | grep curr_items |
curr_items: 125000 |
curr_items_tot: 250000 |
vb_active_curr_items: 125000 |
vb_pending_curr_items: 0 |
vb_replica_curr_items: 125000 |
Do backup again
[root@s44017 ~]# /opt/couchbase/bin/cbbackupmgr backup --repo test --archive /tmp/backup/ --host 172.23.121.226:8091 --username Administrator --password password |
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Backing up to 2017-03-24T08_51_42.963424869-07_00 |
Copied all data in 3s (Avg. 417.09KB/Sec) 12500 items / 1.22MB |
default [================================================================================================================================================================================================] 100.00% |
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Backup successfully completed
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[root@s44017 ~]# |
Check backup data
[root@s44017 ~]# /opt/couchbase/bin/cbbackupmgr list --repo test --archive /tmp/backup/ |
Size Items Name
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59.67MB - + test |
40.54MB - + 2017-03-24T08_27_32.869324048-07_00 |
40.54MB - + default |
295B 0 bucket-config.json |
40.54MB 50000 + data |
40.54MB 50000 shard_0.fdb |
2B 0 full-text.json |
190B 0 gsi.json |
2B 0 views.json |
19.13MB - + 2017-03-24T08_51_42.963424869-07_00 |
19.13MB - + default |
295B 0 bucket-config.json |
19.13MB 12500 + data |
19.13MB 12500 shard_0.fdb |
2B 0 full-text.json |
190B 0 gsi.json |
2B 0 views.json |
[root@s44017 ~]# |
Delete default bucket and re-create default bucket
Restore data back to default bucket. Only half data restore back to default bucket.
[root@s44017 ~]# /opt/couchbase/bin/cbbackupmgr restore --repo test --archive /tmp/backup/ --host 172.23.121.226:8091 --username Administrator --password password |
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(1/2) Restoring backup 2017-03-24T08_27_32.869324048-07_00 |
Copied all data in 5.01s (Avg. 1.27MB/Sec) 75000 items / 6.36MB |
default [================================================================================================================================================================================================] 100.00% |
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(2/2) Restoring backup 2017-03-24T08_51_42.963424869-07_00 |
Copied all data in 3s (Avg. 409.16KB/Sec) 12500 items / 1.20MB |
default [================================================================================================================================================================================================] 100.00% |
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Restore completed successfully
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[root@s44017 ~]# |
Check current items in bucket
[root@s44017 ~]# /opt/couchbase/bin/cbstats 172.23.121.226:11211 all | grep curr_items |
curr_items: 62500 |
curr_items_tot: 125000 |
vb_active_curr_items: 62500 |
vb_pending_curr_items: 0 |
vb_replica_curr_items: 62500 |
[root@s44017 ~]# |
Attachments
| For Gerrit Dashboard: MB-23531 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V |
| 75817,3 | MB-23531: Retry a failed stats request while getting sequence numbers | 4.5.1 | backup | Status: MERGED | +2 | +1 |
| 75819,2 | MB-23531: Move the gocb branch forward in the 4.5.1 manifest | master | manifest | Status: MERGED | +2 | +1 |
| 75820,2 | Merge remote-tracking branch 'origin/4.5.1' into watson | watson | backup | Status: MERGED | +2 | +1 |
| 76743,2 | MB-23531: Bump the version number of cbbackupmgr to 1.1.2 | watson | backup | Status: MERGED | +2 | +1 |
| 76744,2 | MB-23531: Bump the version number to 1.0.3 | 4.5.1 | backup | Status: MERGED | +2 | +1 |