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https://issues.apache.org/jira/browse/ZOOKEEPER-107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472151#comment-13472151
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Jacky007 commented on ZOOKEEPER-107:
------------------------------------
The result is same in my environment。As I see，
In testRemoveAddOne method
{noformat}
String configStr = reconfig(zk1, null, leavingServers, null, -1);
testServerHasConfig(zk2, null, leavingServers);
testNormalOperation(zk2, zk1);
{noformat}
When i = 1 in the for loop, it is probability that testServerHasConfig hang at
zk.getConfig(false, new Stat()).
It is very strange to understand.
> Allow dynamic changes to server cluster membership
> --------------------------------------------------
>
> Key: ZOOKEEPER-107
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-107
> Project: ZooKeeper
> Issue Type: Improvement
> Components: server
> Reporter: Patrick Hunt
> Assignee: Alexander Shraer
> Fix For: 3.5.0
>
> Attachments: SimpleAddition.rtf, zkreconfig-usenixatc-final.pdf,
> ZOOKEEPER-107-1-Mar.patch, ZOOKEEPER-107-20-July.patch,
> ZOOKEEPER-107-21-July.patch, ZOOKEEPER-107-22-Apr.patch,
> ZOOKEEPER-107-23-SEP.patch, ZOOKEEPER-107-28-Feb.patch,
> ZOOKEEPER-107-28-Feb.patch, ZOOKEEPER-107-29-Feb.patch,
> ZOOKEEPER-107-3-Oct.patch, ZOOKEEPER-107-Aug-20.patch,
> ZOOKEEPER-107-Aug-20-ver1.patch, ZOOKEEPER-107-Aug-25.patch,
> zookeeper-3.4.0.jar, zookeeper-dev-fatjar.jar,
> zookeeper-reconfig-sep11.patch, zookeeper-reconfig-sep12.patch,
> zoo_replicated1.cfg, zoo_replicated1.members
>
>
> Currently cluster membership is statically defined, adding/removing hosts
> to/from the server cluster dynamically needs to be supported.
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