ZookeeperConfig::remove
(PECL zookeeper >= 0.6.0, ZooKeeper >= 3.5.0)
ZookeeperConfig::remove — Remove servers from the ensemble
パラメータ
-
id_list -
Comma separated list of server IDs to be removed from the ensemble. Each has an id of a server to be removed, only for maj. quorums.
-
version -
The expected version of the node. The function will fail if the actual version of the node does not match the expected version. If -1 is used the version check will not take place.
-
stat -
If not NULL, will hold the value of stat for the path on return.
戻り値
値を返しません。
エラー / 例外
This method emits ZookeeperException and it's derivatives when parameters count or types are wrong or fail to save value to node.
例
例1 ZookeeperConfig::remove() example
Remove members.
<?php
$client = new Zookeeper();
$client->connect('localhost:2181');
$client->addAuth('digest', 'timandes:timandes');
$zkConfig = $client->getConfig();
$zkConfig->set("server.1=localhost:2888:3888:participant;0.0.0.0:2181,server.2=localhost:2889:3889:participant;0.0.0.0:2182");
$zkConfig->remove("2");
echo $zkConfig->get();
if ($r)
echo $r;
else
echo 'ERR';
?>上の例の出力は以下となります。
server.1=localhost:2888:3888:participant;0.0.0.0:2181 version=0xca01e881a2
参考
- ZookeeperConfig::get() - Gets the last committed configuration of the ZooKeeper cluster as it is known to the server to which the client is connected, synchronously
- ZookeeperConfig::add() - Add servers to the ensemble
- ZookeeperConfig::set() - Change ZK cluster ensemble membership and roles of ensemble peers
- ZookeeperException
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