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Re: [VOTE] Release ZooKeeper 3.4.0 (candidate 2) - Zookeeper - [mail # dev]
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...mvn install should have done that for you. On Fri, Nov 18, 2011 at 7:42 AM, Benjamin Reed wrote: ...
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Author: Ted Dunning,
2011-11-18, 18:01
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Re: Missing session state handling in most Leader Election implementations - Zookeeper - [mail # user]
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...Is the background sync even necessary? The ZK client itself will re-establish connection if it can. I think that LOST should only be sent on session expiration. On Fri, Nov...
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Author: Ted Dunning,
2011-11-18, 17:52
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Re: Missing session state handling in most Leader Election implementations - Zookeeper - [mail # user]
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...On Mon, Nov 14, 2011 at 2:41 PM, Jordan Zimmerman wrote: The event should not be ignored. The master should pause in being a master, but not unload any major data structur...
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Author: Ted Dunning,
2011-11-15, 02:24
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Re: Missing session state handling in most Leader Election implementations - Zookeeper - [mail # user]
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...You should be good to go with a very aggressive session timeout. The lack of correct handling for disconnects should not hurt you and may actually help since there may be clients who c...
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Author: Ted Dunning,
2011-11-14, 15:18
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Re: Missing session state handling in most Leader Election implementations - Zookeeper - [mail # user]
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...In general all leader elections have to pay attention to disconnection. The action they need to take when disconnection occurs varies according to the application. Concisely put,...
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Author: Ted Dunning,
2011-11-14, 06:01
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Re: zookeeper ensemble with hbase (versus single node) - Zookeeper - [mail # user]
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...Yes. It is nice to still have a valid indicator of what is up and down after a critical node goes down. This is independent of hbase. If you have a system with a critical f...
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Author: Ted Dunning,
2011-11-11, 17:37
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Re: setting zookeeper heap size - Zookeeper - [mail # user]
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...The behavior without xmx is actually pretty reasonable. Note that the default of half is only up to a few hundred MB of memory (not GB). Even when lots of memory is allocated, th...
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Author: Ted Dunning,
2011-11-11, 04:59
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Re: Question regarding the maximum number of ZNODES a zookeeper - Zookeeper - [mail # user]
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...Each node can take a fair bit of overhead in memory. That 2G you allocated may not go as far as you might like. I am a bit surprised if this eats as much memory as your test see...
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Author: Ted Dunning,
2011-11-10, 05:07
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Re: Design question - Zookeeper - [mail # user]
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...Been there! Having both in memory is the ideal world scenario. Some days we have to live in the real world. The chapter 16 example may still help. That example is ava...
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Author: Ted Dunning,
2011-11-09, 19:28
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Re: Design question - Zookeeper - [mail # user]
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...Yes. This definitely could be done with ZK. See chapter 16 of Mahout in Action for an example of how to manage this for a farm of classifiers which have very similar issues (alth...
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Author: Ted Dunning,
2011-11-09, 06:10
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