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[ZOOKEEPER-1030] Increase default for maxClientCnxns - Zookeeper - [issue]
...The default for maxClientCnxns is 10, which is too low for many applications. For example, HBase users often run MR jobs where each task needs to use ZooKeeper to talk to HBase. This means t...
http://issues.apache.org/jira/browse/ZOOKEEPER-1030    Author: Todd Lipcon, 2014-09-05, 02:26
Re: [VOTE] Apache ZooKeeper release 3.4.6 candidate 0 - Zookeeper - [mail # dev]
...On Fri, Mar 7, 2014 at 2:44 PM, Patrick Hunt  wrote:It ought to keep running even if some of the tests failed. Surprising thatit doesn't. Maybe run each module's tests sepately rather t...
   Author: Todd Lipcon, 2014-03-08, 16:33
[ZOOKEEPER-1686] Publish ZK 3.4.5 test jar - Zookeeper - [issue]
...ZooKeeper 3.4.2 used to publish a jar with the tests classifier for use by downstream project tests. It seems this didn't get published for 3.4.4 or 3.4.5 (see https://repository.apache.org/...
http://issues.apache.org/jira/browse/ZOOKEEPER-1686    Author: Todd Lipcon, 2013-10-04, 00:54
[ZOOKEEPER-1510] Should not log SASL errors for non-secure usage - Zookeeper - [issue]
...Since SASL support was added, all connections with non-secure clients have started logging messages like:2012-07-01 02:13:34,986 WARN org.apache.zookeeper.client.ZooKeeperSaslClient: Securit...
http://issues.apache.org/jira/browse/ZOOKEEPER-1510    Author: Todd Lipcon, 2013-09-25, 17:00
[ZOOKEEPER-1616] time calculations should use a monotonic clock - Zookeeper - [issue]
...We recently had an issue with ZooKeeper sessions acting strangely due to a bad NTP setup on a set of hosts. Looking at the code, ZK seems to use System.currentTimeMillis to measure durations...
http://issues.apache.org/jira/browse/ZOOKEEPER-1616    Author: Todd Lipcon, 2013-01-15, 18:37
[ZOOKEEPER-829] Add /zookeeper/sessions/* to allow inspection/manipulation of client sessions - Zookeeper - [issue]
...For some use cases in HBase (HBASE-1316 in particular) we'd like the ability to forcible expire someone else's ZK session. Patrick and I discussed on IRC and came up with an idea of creating...
http://issues.apache.org/jira/browse/ZOOKEEPER-829    Author: Todd Lipcon, 2012-12-13, 08:09
[ZOOKEEPER-1587] Provide simple way to determine IP address of an ephemeral znode's owner - Zookeeper - [issue]
...Occasionally I've run into operational cases where an ephemeral znode exists, and is held by some client, but it's not clear which client is the holder. By getting the znode from the shell, ...
http://issues.apache.org/jira/browse/ZOOKEEPER-1587    Author: Todd Lipcon, 2012-12-13, 08:09
[ZOOKEEPER-1427] Writing to local files is done non-atomically - Zookeeper - [issue]
...Currently, the writeLongToFile() function opens the file for truncate, writes the new data, syncs, and then closes. If the process crashes after opening the file but before writing the new d...
http://issues.apache.org/jira/browse/ZOOKEEPER-1427    Author: Todd Lipcon, 2012-07-18, 11:01
[ZOOKEEPER-1438] JMX MBeans for client connections can be orphaned - Zookeeper - [issue]
...I have a functional test that extends from ClientBase, which I'm using to stress test a piece of software that uses ZK underneath. In this test, I want to simulate disconnection events, so I...
http://issues.apache.org/jira/browse/ZOOKEEPER-1438    Author: Todd Lipcon, 2012-03-30, 04:49
[expand - 1 more] - Re: zookeeper-3.3.2 has default maxClientCnxns set to 10? - Zookeeper - [mail # user]
...On Sat, Mar 26, 2011 at 2:08 AM, Dmitriy Lyubimov  wrote:   Yes, in my case it's a matter of machines with 20+ MR slots, each of which consumes a ZK connection.  -Todd   ...
   Author: Todd Lipcon, 2011-03-26, 20:43
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