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Documentation: add 'migrate' command example

release-3.0
Gyu-Ho Lee 2016-06-16 19:47:57 -07:00
parent 1066c9b806
commit dde2aea214
1 changed files with 28 additions and 0 deletions
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Documentation/demo.md
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@ -284,3 +284,31 @@ etcdctl --write-out=table --endpoints=$ENDPOINTS snapshot status my.db
| c55e8b8 | 9 | 13 | 25 kB |
+---------+----------+------------+------------+
```
## Migrate
`migrate` to transform etcd v2 to v3 data:
<img src="https://storage.googleapis.com/etcd/demo/12_etcdctl_migrate_2016061602.gif" alt="12_etcdctl_migrate_2016061602"/>
```
# write key in etcd version 2 store
export ETCDCTL_API=2
etcdctl --endpoints=http://$ENDPOINT set foo bar
# read key in etcd v2
etcdctl --endpoints=$ENDPOINTS --output="json" get foo
# stop etcd node to migrate, one by one
# migrate v2 data
export ETCDCTL_API=3
etcdctl --endpoints=$ENDPOINT migrate --data-dir="default.etcd" --wal-dir="default.etcd/member/wal"
# restart etcd node after migrate, one by one
# confirm that the key got migrated
etcdctl --endpoints=$ENDPOINTS get /foo
```