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Re: Data loss scenario - Zookeeper - [mail # user]
...I think its:src/java/main/org/apache/zookeeper/server/quorum/Leader.java,waitForEpochAck throws exception if the follower is ahead of the leader interms of data, like in your examplesrc/java...
   Author: Alexander Shraer, 2014-08-20, 21:57
Re: Write throughput is low !! - Zookeeper - [mail # user]
...Hi,I'd expect the throughput with 5 servers to be around 10K ops/sec for 100%writes.The graph Jordan sent shows smaller numbers than in the ZK paper (Figure 6:https://www.usenix.org/legacy/e...
   Author: Alexander Shraer, 2014-08-14, 17:27
[expand - 10 more] - Re: ZooKeeper 3.5.0-alpha planning - Zookeeper - [mail # dev]
...Looking at the log Patrick sent:https://builds.apache.org/job/ZooKeeper-trunk/2386/testReport/junit/org.apache.zookeeper.server.quorum/ReconfigRecoveryTest/testCurrentObserverIsParticipantIn...
   Author: Alexander Shraer, 2014-07-26, 00:01
[ZOOKEEPER-1967] Eliminate the temp dynamic config file, find last proposed config in transaction log. - Zookeeper - [issue]
...The .next temporary config file is created when a server acks a reconfig proposal.During reconfig commit this file becomes the permanent dynamic config file.This temp file is read (if exists...
http://issues.apache.org/jira/browse/ZOOKEEPER-1967    Author: Alexander Shraer, 2014-07-18, 18:56
[ZOOKEEPER-1947] Implement a better way to specify joiners - Zookeeper - [issue]
...Currently a server must appear in its own config when it starts up. One of the reasons is that the server spec has LE ports through which it can connect to the leader. This means that when c...
http://issues.apache.org/jira/browse/ZOOKEEPER-1947    Author: Alexander Shraer, 2014-06-26, 19:48
[expand - 3 more] - Re: Dynamic reconfiguration: New participant server opens wrong ports - Zookeeper - [mail # user]
...no problem. yes - the leader only counts acks from followers in the config.AlexOn Wed, Jun 25, 2014 at 12:37 PM, Niko Vuokko  wrote: ...
   Author: Alexander Shraer, 2014-06-25, 19:47
[ZOOKEEPER-1659] Add JMX support for dynamic reconfiguration - Zookeeper - [issue]
...We need to update JMX during reconfigurations. Currently, reconfiguration changes are not reflected in JConsole....
http://issues.apache.org/jira/browse/ZOOKEEPER-1659    Author: Alexander Shraer, 2014-06-04, 21:50
Re: intern project idea: decouple zab from zookeeper - Zookeeper - [mail # dev]
...an interesting read if you haven't see it. fig 1 is similar to Michi'sproposal.http://research.google.com/archive/paxos_made_live.htmlI think that reconfig should be the responsibility of th...
   Author: Alexander Shraer, 2014-06-02, 01:37
[ZOOKEEPER-1699] Leader should timeout and give up leadership when losing quorum of last proposed configuration - Zookeeper - [issue]
...A leader gives up leadership when losing a quorum of the current configuration.This doesn't take into account any proposed configuration. So, ifa reconfig operation is in progress and a quor...
http://issues.apache.org/jira/browse/ZOOKEEPER-1699    Author: Alexander Shraer, 2014-05-21, 23:54
[expand - 1 more] - Re: [ANNOUNCE] New ZooKeeper committer: Rakesh R - Zookeeper - [mail # dev]
...congrats Rakesh!On Sat, May 17, 2014 at 7:46 AM, Camille Fournier wrote: ...
   Author: Alexander Shraer, 2014-05-17, 20:40
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