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[ZOOKEEPER-1648] Fix WatcherTest in JDK7 - Zookeeper - [issue]
...JDK7 run unit tests in random order causing intermittent WatcherTest failure. The fix is to clean up static variable that interfere with other tests....
http://issues.apache.org/jira/browse/ZOOKEEPER-1648    Author: Thawan Kooburat, 2013-02-19, 11:02
[ZOOKEEPER-1644] Add support for compressed SetWatches packet - Zookeeper - [issue]
...On reconnect with a server to restore its session, a client have to send all watched paths via SetWatches packet to the server. This can be potentially large and exceeded server-side buffer ...
http://issues.apache.org/jira/browse/ZOOKEEPER-1644    Author: Thawan Kooburat, 2013-02-16, 00:42
Re: DataTree - Zookeeper - [mail # dev]
...In our branch, where we did a lot conversion from synchronize to atomic variables or concurrent data structure. Our DataTree.createNode() calls this method to update ephemeral map  priv...
   Author: Thawan Kooburat, 2013-02-14, 05:27
[ZOOKEEPER-1636] c-client crash when zoo_amulti failed - Zookeeper - [issue]
...deserialize_response for multi operation don't handle the case where the server fail to send back response. (Eg. when multi packet is too large) c-client will try to process completion of al...
http://issues.apache.org/jira/browse/ZOOKEEPER-1636    Author: Thawan Kooburat, 2013-02-01, 21:49
[ZOOKEEPER-1608] Add support for key-value store as optional storage engine - Zookeeper - [issue]
...Problem:1. ZooKeeper need to load the entire dataset into its memory. So the total data size and number of znode are limited by the amount of available memory.2. We want to minimize ZooKeepe...
http://issues.apache.org/jira/browse/ZOOKEEPER-1608    Author: Thawan Kooburat, 2013-01-24, 19:22
Re: User Group - Zookeeper - [mail # dev]
...I can present about how we build/use ZooKeeper inside Facebook.  Thawan Kooburat      On 1/22/13 2:09 PM, "Patrick Hunt"  wrote:  ...
   Author: Thawan Kooburat, 2013-01-23, 18:57
[ZOOKEEPER-1609] Improve ZooKeeper performance under mixed workload - Zookeeper - [issue]
...ZOOKEEPER-1505 allows 1 write or N reads to pass through the CommitProcessor at any given time. I did performance experiment similar to http://wiki.apache.org/hadoop/ZooKeeper/Performance an...
http://issues.apache.org/jira/browse/ZOOKEEPER-1609    Author: Thawan Kooburat, 2013-01-14, 18:48
[expand - 2 more] - Re: Performance measurement for ZooKeeper 3.5.0 - Zookeeper - [mail # dev]
...I am surprised by that drop too. I believe synchronize read/write behavior on the clients amplified the bottleneck on the server side.  I did an experiment where write are going through...
   Author: Thawan Kooburat, 2013-01-13, 00:11
Re: force snapshot - Zookeeper - [mail # user]
...If you have multiple machines in the ensemble you can restart one of the machine. When the follower restarts and join the quorum it will create a new snapshot that you can use to troubleshoo...
   Author: Thawan Kooburat, 2013-01-11, 08:48
Re: ZooKeeper Scale - Zookeeper - [mail # user]
...You can add more observers to scale the number of watches that the ensemble can handle.  Znode count will depend on how much RAM you have and how much data are in each znode. Our last b...
   Author: Thawan Kooburat, 2012-10-16, 22:55
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