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Documentation/op-guide: highlight defrag operation "--cluster" flag

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
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Gyuho Lee 2018-03-05 10:54:45 -08:00
parent 3451905d3e
commit 9919e4d391
1 changed files with 12 additions and 1 deletions
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Documentation/op-guide/maintenance.md
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@ -47,7 +47,18 @@ $ etcdctl defrag
Finished defragmenting etcd member[127.0.0.1:2379] Finished defragmenting etcd member[127.0.0.1:2379]
``` ```
Note that defragmentation to a live member blocks the system from reading and writing data while rebuilding its states. **Note that defragmentation to a live member blocks the system from reading and writing data while rebuilding its states**.
**Note that defragmentation request does not get replicated over cluster. That is, the request is only applied to the local node. Specify all members in `--endpoints` flag or `--cluster` flag to automatically find all cluster members.**
Run defragment operations for all endpoints in the cluster associated with the default endpoint:
```bash
$ etcdctl defrag --cluster
Finished defragmenting etcd member[http://127.0.0.1:2379]
Finished defragmenting etcd member[http://127.0.0.1:22379]
Finished defragmenting etcd member[http://127.0.0.1:32379]
```
To defragment an etcd data directory directly, while etcd is not running, use the command: To defragment an etcd data directory directly, while etcd is not running, use the command: