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[ZOOKEEPER-1519] Zookeeper Async calls can reference free()'d memory - Zookeeper - [issue]
...zoo_acreate() and zoo_aset() take a char * argument for data and prepare a call to zookeeper.  This char * doesn't seem to be duplicated at any point, making it possible that the caller...
http://issues.apache.org/jira/browse/ZOOKEEPER-1519    Author: Mark Gius, 2014-02-12, 10:37
Re: high connection-churn solutions - Zookeeper - [mail # user]
...Assuming you can't modify the code to keep sessions around longer and your queries to zookeeper aren't too varied you could have a REST endpoint web service type somewhere that creates a sin...
   Author: Mark Gius, 2012-06-12, 07:36
Re: Memory leak caused by a watch that will never be triggered - Zookeeper - [mail # user]
...What language are you using?  Does it have some equivalent of Python's http://docs.python.org/library/weakref.html?  If so you can pass this weak reference to the watcher (and have...
   Author: Mark Gius, 2012-05-30, 18:56
Re: The State of Python Zookeeper libraries and collaboration - Zookeeper - [mail # user]
...On Mon, May 21, 2012 at 12:58 PM, Ben Bangert  wrote:  +1 on avoiding complexity, and wrangling python_zk so that it behaves with eventlet/gevent is very complex.  The advanta...
   Author: Mark Gius, 2012-05-21, 20:23
Re: Does Leader Election Have a "Settling" period? - Zookeeper - [mail # user]
...Hmm... so then it looks like the problem was that I needed to give 3 a little more time to join the quorum before shooting 1 so as to maintain quorum throughout the test.  I'll give tha...
   Author: Mark Gius, 2012-05-11, 17:08
Re: Possible issue with cluster availability following new Leader Election - ZK 3.4 - Zookeeper - [mail # user]
...I'm encountering a similar issue with a more or less empty dataset.  I bring up a cluster of 3 servers and shoot one of them in the head.  It takes ~20 seconds for the two remainin...
   Author: Mark Gius, 2012-05-09, 17:17
Re: ImportError zookeeper python binding - Zookeeper - [mail # user]
...I am using the python bindings for zookeeper, but I'm using the ones that are packaged with Ubuntu 11.10.  I'm guessing you don't have /usr/local/lib on your library path.  Reading...
   Author: Mark Gius, 2012-04-26, 20:25
Re: DISCONNECTED and SESSION_EXPIRED events - Zookeeper - [mail # user]
...You should get a CONNECTING state when you lose connectivity to zookeeper.  I have never seen a DISCONNECTED state from the C bindings anyway.  Mark  On Wed, Apr 11, 2012 at 1...
   Author: Mark Gius, 2012-04-11, 23:40
Re: Forcing DISCONNECTED event? - Zookeeper - [mail # user]
...With the python client (thin wrapper around C) I was able to simulate CONNECTING in a single node scenario.  Just shutdown the only zookeeper server and the client will notice this real...
   Author: Mark Gius, 2012-03-15, 06:56
session expire closes handle? - Zookeeper - [mail # user]
...According to http://wiki.apache.org/hadoop/ZooKeeper/FAQ#A3:  "SESSION_EXPIRED automatically closes the ZooKeeper handle."  What does it mean that the zookeeper handle is closed? &...
   Author: Mark Gius, 2012-02-10, 00:04
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