Documentation: Set ETCDCTL_API for v3 features
Signed-off-by: Geoff Levand <geoff@infradead.org>release-3.1
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@ -62,18 +62,18 @@ The space quota can be triggered with a loop:
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```sh
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# fill keyspace
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$ while [ 1 ]; do dd if=/dev/urandom bs=1024 count=1024 | etcdctl put key || break; done
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$ while [ 1 ]; do dd if=/dev/urandom bs=1024 count=1024 | ETCDCTL_API=3 etcdctl put key || break; done
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...
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Error: rpc error: code = 8 desc = etcdserver: mvcc: database space exceeded
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# confirm quota space is exceeded
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$ etcdctl --write-out=table endpoint status
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$ ETCDCTL_API=3 etcdctl --write-out=table endpoint status
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+----------------+------------------+-----------+---------+-----------+-----------+------------+
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| ENDPOINT | ID | VERSION | DB SIZE | IS LEADER | RAFT TERM | RAFT INDEX |
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+----------------+------------------+-----------+---------+-----------+-----------+------------+
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| 127.0.0.1:2379 | bf9071f4639c75cc | 2.3.0+git | 18 MB | true | 2 | 3332 |
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+----------------+------------------+-----------+---------+-----------+-----------+------------+
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# confirm alarm is raised
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$ etcdctl alarm list
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$ ETCDCTL_API=3 etcdctl alarm list
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memberID:13803658152347727308 alarm:NOSPACE
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```
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@ -81,19 +81,19 @@ Removing excessive keyspace data and defragmenting the backend database will put
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```sh
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# get current revision
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$ etcdctl --endpoints=:2379 endpoint status
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$ ETCDCTL_API=3 etcdctl --endpoints=:2379 endpoint status
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[{"Endpoint":"127.0.0.1:2379","Status":{"header":{"cluster_id":8925027824743593106,"member_id":13803658152347727308,"revision":1516,"raft_term":2},"version":"2.3.0+git","dbSize":17973248,"leader":13803658152347727308,"raftIndex":6359,"raftTerm":2}}]
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# compact away all old revisions
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$ etdctl compact 1516
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$ ETCDCTL_API=3 etcdctl compact 1516
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compacted revision 1516
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# defragment away excessive space
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$ etcdctl defrag
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$ ETCDCTL_API=3 etcdctl defrag
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Finished defragmenting etcd member[127.0.0.1:2379]
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# disarm alarm
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$ etcdctl alarm disarm
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$ ETCDCTL_API=3 etcdctl alarm disarm
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memberID:13803658152347727308 alarm:NOSPACE
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# test puts are allowed again
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$ etdctl put newkey 123
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$ ETCDCTL_API=3 etcdctl put newkey 123
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OK
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```
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