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Re: Unsubscribe from user@ is broken - Zookeeper - [mail # user]
...Did you try opening an INFRA ticket as Michi suggested? We'd like to helpbut I don't think we directly administer the mailing list.HenryOn 15 April 2014 09:16, Mike Schilli  wrote:Henry...
   Author: Henry Robinson, 2014-04-15, 18:08
[ZOOKEEPER-1473] Committed proposal log retains triple the memory it needs to - Zookeeper - [issue]
...ZKDatabase.committedLog retains the past 500 transactions to enable fast catch-up. This works great, but it's using triple the memory it needs to by retaining three copies of the data part o...
http://issues.apache.org/jira/browse/ZOOKEEPER-1473    Author: Henry Robinson, 2014-03-30, 03:59
Re: Basic client question - Zookeeper - [mail # user]
...It's also important to realise that 'never' is a property that's impossibleto detect. The client has no idea if a failure is permanent, because thatwould require the ability to see into the ...
   Author: Henry Robinson, 2014-03-24, 17:07
Re: Q about majority voting, # of nodes, even node number - Zookeeper - [mail # user]
...The answer, as Cameron says, is that 2 nodes still represent a majority in a quorum of 3. The idea behind it is that if you have two different sets of nodes that are large enough to be major...
   Author: Henry Robinson, 2014-01-16, 05:17
[ZOOKEEPER-702] GSoC 2010: Failure Detector Model - Zookeeper - [issue]
...Failure Detector ModulePossible MentorHenry Robinson (henry at apache dot org)RequirementsJava, some distributed systems knowledge, comfort implementing distributed systems protocolsDescript...
http://issues.apache.org/jira/browse/ZOOKEEPER-702    Author: Henry Robinson, 2013-10-08, 01:34
Re: zookeeper - FindClass issue on 3.4.5, works fine in 3.3.6 - Zookeeper - [mail # user]
...The FileTxnSnapLog class is still there in 3.4.x. Are you certain that zookeeper.jar is being picked up? (check strace -fe open  2>&1 | grep -i zookeeper.jar to see if it's being ope...
   Author: Henry Robinson, 2013-08-14, 16:19
Re: Zookeeper performance - Zookeeper - [mail # user]
...So how about the following optimistic approach:  1. Read the current version of the database (stored in a znode's version metadata). If it is even, wait and try again; even numbers mean...
   Author: Henry Robinson, 2013-07-31, 23:05
[ZOOKEEPER-703] GSoC 2010: ZooKeeper DNS Server - Zookeeper - [issue]
...ZooKeeper DNS ServerPossible MentorHenry Robinson (henry at apache dot org)RequirementsJava or Python or CDescriptionAlthough ZooKeeper is primarily used for co-ordination of distributed pro...
http://issues.apache.org/jira/browse/ZOOKEEPER-703    Author: Henry Robinson, 2013-07-01, 07:54
Re: failed zookeeper won't be stopped by CM - Zookeeper - [mail # user]
...Hi Frank -  This sounds like a Cloudera Manager question, so you're best off asking it in the CM user group:  https://groups.google.com/a/cloudera.org/forum/#!forum/scm-users  ...
   Author: Henry Robinson, 2013-06-21, 17:04
Re: zookeeper shell prompt - Zookeeper - [mail # user]
...Please just copy-and-paste the text output you see in your shell. Images do not work well on this list.  Henry   On 13 June 2013 14:17, Shaikh Ahmed  wrote:    Henry...
   Author: Henry Robinson, 2013-06-13, 21:19
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