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From "Nitay Joffe (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1651) client is broken, it requests ROOT region location from ZK too much
Date Tue, 14 Jul 2009 03:56:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12730674#action_12730674
] 

Nitay Joffe commented on HBASE-1651:
------------------------------------

Was chatting with Stack about this. This brings up a good point, which is that we don't cache
ZK results _anywhere_. The assumption we've had when writing all of this stuff was that we
already did caching, so it should still work. For example, with the ROOT region, we used to
get it from the master. I assumed the code previously would get it once, and only query the
master for it again when it couldn't talk to ROOT anymore. So, by replacing it with ZK it
should've still done the same caching. Clearly, either that logic wasn't right, or I broke
it when we put the ZK stuff in. We should check all of our ZK queries, I have a feeling this
is not the only place we'll find such a thing.

Good catch Ryan.

> client is broken, it requests ROOT region location from ZK too much
> -------------------------------------------------------------------
>
>                 Key: HBASE-1651
>                 URL: https://issues.apache.org/jira/browse/HBASE-1651
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.0
>            Reporter: ryan rawson
>            Assignee: stack
>            Priority: Blocker
>             Fix For: 0.20.0
>
>
> something bad happened to the client, now it requests the ROOT region location literally
a hundred times a second:
> 09/07/13 18:39:59 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:00 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020
> 09/07/13 18:40:01 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server
got 10.20.20.158:60020

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