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Re: getTopNChildren - Zookeeper - [mail # dev]
...Hi Jordan -  Good question. We've gone back and forth on some variant of getFirstNChildren several times and have never achieved consensus.  That said, this is one of the most comm...
   Author: Henry Robinson, 2012-06-25, 19:49
Re: ZooKeeper's resident set size grows but does not shrink - Zookeeper - [mail # user]
...Hi Brian -  (Copying the list as well for general interest)  I dug into this a bit this weekend. The heap dump does show that heap usage is unexpectedly high, and that ZK is using ...
   Author: Henry Robinson, 2012-05-29, 20:04
[ZOOKEEPER-395] Python bindings - Zookeeper - [issue]
...ZooKeeper doesn't have Python bindings. Having them would be useful, and would complement the extant Perl bindings....
http://issues.apache.org/jira/browse/ZOOKEEPER-395    Author: Henry Robinson, 2012-05-21, 07:17
Re: Does Zookeeper Lock Entire Znode Tree During a Write - Zookeeper - [mail # user]
...On 14 May 2012 21:15, dmly  wrote:  The short answer is no, ZK does not lock the whole tree. If you look at ZKDatabase.java and DataTree.java you can see in processTxn etc. that th...
   Author: Henry Robinson, 2012-05-15, 16:23
Re: zkpython improvements - Zookeeper - [mail # dev]
...Hi Duncan -  Great that you're working on the python bindings! That's very cool.  Regarding your questions, answers inline.  On 28 March 2012 14:52, Duncan Findlay  wrote...
   Author: Henry Robinson, 2012-04-04, 23:19
[ZOOKEEPER-578] ResponderThread should be able to use TCP or UDP - Zookeeper - [issue]
...The ResponderThread, which responds to inquiries for the current leader, currently only uses UDP. It also only runs for electionAlg=0. Observers will eventually require that a ResponderThrea...
http://issues.apache.org/jira/browse/ZOOKEEPER-578    Author: Henry Robinson, 2012-04-03, 21:16
Re: Work on CLI - Zookeeper - [mail # dev]
...Hi Hartmut -  Great! Any improvements to the CLI are most welcome.  Compatibility *is* a concern; although I don't think we view the CLI as an API that we have to maintain, we shou...
   Author: Henry Robinson, 2012-02-27, 02:31
Re: znode defaults - Zookeeper - [mail # user]
...It seems like the multi-txn API might be helpful here. Since each path is of known length, you could have a multi-op query that is  get(/a/b/c/d), get(/a/b/c), get(/a/b), get(/a)  ...
   Author: Henry Robinson, 2012-02-22, 01:19
Re: QuorumPeer requires at least 2 peers? - Zookeeper - [mail # user]
...It's not, unfortunately. The reason being that every live quorum must intersect in at least one node in order to avoid a split-brain problem. So you can't have a two different quorums consis...
   Author: Henry Robinson, 2012-02-03, 00:31
Re: Reducing the unit test running time - Zookeeper - [mail # dev]
...On 16 January 2012 17:36, Patrick Hunt  wrote:   That's a good point, but I don't know that we can really say the tests as they stand are at all representative of what real users a...
   Author: Henry Robinson, 2012-01-17, 06:35
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