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Re: Zookeeper multiserver setup? - Zookeeper - [mail # user]
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...Yes - they should. Keep in mind that the zoo.cfg, and the ID file must be correct and in agreement on each instance. You can do a stat on each instance to see what state it's in: &nbs...
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Author: Jordan Zimmerman,
2012-05-08, 21:45
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Re: Zookeeper multiserver setup? - Zookeeper - [mail # user]
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...Yes, you must start them all individually. ZooKeeper does not currently have any cluster-wide management tools built in. FYI - we've open sourced a cluster management tool for ZooKeepe...
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Author: Jordan Zimmerman,
2012-05-08, 21:36
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Re: adding/removing a zookeeper server - Zookeeper - [mail # user]
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...Technically, ZK does not support it. However, there is a methodology for reconfiguring and updated an ensemble. I believe ZK-107 will allow the changes to be made without needing to restart/...
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Author: Jordan Zimmerman,
2012-04-30, 18:54
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Re: adding/removing a zookeeper server - Zookeeper - [mail # user]
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...See #6 in the FAQ: http://wiki.apache.org/hadoop/ZooKeeper/FAQ Also, FYI, we recently open sourced a ZooKeeper supervisor app that makes these kinds of tasks simpler: https://gi...
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Author: Jordan Zimmerman,
2012-04-26, 21:48
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Re: Delegating Load within Quorum - Zookeeper - [mail # user]
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...FYI - here's the exception: Error: Exception thrown by the agent : java.rmi.server.ExportException: Port already in use: 8080; nested exception is: java.net.BindException: Address alr...
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Author: Jordan Zimmerman,
2012-04-25, 22:57
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Port 8080 - Zookeeper - [mail # user]
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...Doh - wrong subject. Is there any way to tell zkCli.sh to now register JMX or to not use port 8080 for it? It's conflicting with another process on our server. -JZ On 4/25/...
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Author: Jordan Zimmerman,
2012-04-25, 22:01
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Re: Delegating Load within Quorum - Zookeeper - [mail # user]
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...zkCli.sh seems to use port 8080. Is there any config/argument to change this? I couldn't find one. It's conflicting with another process on the machine. -JZ...
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Author: Jordan Zimmerman,
2012-04-25, 21:56
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Re: Delegating Load within Quorum - Zookeeper - [mail # user]
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...Have a look at the constructor for StaticHostProvider. You'll see that it does a Collections.shuffle(this.serverAddresses) - so each client should connect to a random server in the ensemble....
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Author: Jordan Zimmerman,
2012-04-21, 01:31
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Re: How to replace a zookeeper server ? - Zookeeper - [mail # user]
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...FYI - making this process more reliable is one of the main reasons for Exhibitor: http://techblog.netflix.com/2012/04/introducing-exhibitor-supervisor-system .html On 4/18/12 8:...
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Author: Jordan Zimmerman,
2012-04-18, 16:34
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ANN: Exhibitor - Zookeeper - [mail # user]
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...Introducing Exhibitor - A Supervisor System for Apache ZooKeeper Exhibitor provides a number of features that make managing a ZooKeeper ensemble much easier: * Instance Monitori...
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Author: Jordan Zimmerman,
2012-04-16, 18:26
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