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RE: ZK107 - Allow dynamic changes to server cluster membership - Zookeeper - [mail # dev]
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...That would be great. I will upload it soon, by next year you'll have it for sure :) Alex ...
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Author: Alexander Shraer,
2011-12-15, 00:20
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RE: ZK107 - Allow dynamic changes to server cluster membership - Zookeeper - [mail # dev]
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...Hi, We've made some modifications since that patch, so it's not completely uptodate. Mostly what's currently missing is testing of this feature, and yes, I hope that this will be...
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Author: Alexander Shraer,
2011-12-14, 23:47
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RE: Questions on Zab phases - Zookeeper - [mail # user]
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...Hi Andre, I'm not an author of the paper you mention, but I might be able to answer. The protocol implemented in the code is described here: https://cwiki.apach e.org/confluence/...
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Author: Alexander Shraer,
2011-12-08, 21:32
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RE: How zab avoid split-brain problem? - Zookeeper - [mail # dev]
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...Hi Peter, We're currently working on adding dynamic reconfiguration functionality to Zookeeper. I hope that it will get in to the next release of ZK (after 3.4) . With this you'l...
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Author: Alexander Shraer,
2011-08-30, 23:04
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RE: How zab avoid split-brain problem? - Zookeeper - [mail # dev]
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...Hi Peter, It's the second option. The servers don't know if the leader failed or was partitioned from them. So each group of 3 servers in your scenario can't distinguish the situ...
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Author: Alexander Shraer,
2011-08-30, 19:21
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RE: Adding nodes to an ensemble - Zookeeper - [mail # user]
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...Hi, Currently you have to restart the nodes to change the configuration (rollin g restart, i.e., every time you bring nodes up after changing the cfg files you must ensure that ...
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Author: Alexander Shraer,
2011-08-12, 19:53
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RE: Using system property to configure clientPortAddress - Zookeeper - [mail # user]
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...Hi Sergei, I'm doing something similar for ZOOKEEPER-107 (dynamically changing cluster config, eliminating the need for rolling restarts). I've split the config file in two...
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Author: Alexander Shraer,
2011-07-22, 16:14
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RE: what would happen with this case ? (ZAB protocol question) - Zookeeper - [mail # user]
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...Hi Ted, In your scenario there is no problem I can see. The problem is in another scenario I described in the JIRA - there C has seen more proposals than B but B has seen more commits ...
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Author: Alexander Shraer,
2011-07-21, 20:42
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RE: what would happen with this case ? (ZAB protocol question) - Zookeeper - [mail # user]
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...I think you're right - there is a bug here. As I mentioned, when a server starts-up it locally commits all ops it has e ver received (see ZKDataBase.loadDataBase). More importantly - ...
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Author: Alexander Shraer,
2011-07-21, 20:11
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RE: what would happen with this case ? (ZAB protocol question) - Zookeeper - [mail # user]
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...Hi, If I understand it correctly, when a server starts-up it locally commits al l ops it has ever received (see ZKDataBase.loadDataBase) . Leader election then chooses the node t...
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Author: Alexander Shraer,
2011-07-21, 18:04
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