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https://issues.apache.org/jira/browse/HBASE-8645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13670368#comment-13670368
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stack commented on HBASE-8645:
------------------------------
Here is how it changes lot output:
Before this patch:
{code}
2013-05-30 03:54:21,542 INFO
[RegionServer:0;asf001.sp2.ygridcore.net,58265,1369886061348]
zookeeper.RecoverableZooKeeper(119): Process identifier=regionserver:58265
connecting to ZooKeeper ensemble=localhost:60188
2013-05-30 03:54:21,544 INFO
[RegionServer:1;asf001.sp2.ygridcore.net,56020,1369886061408]
zookeeper.RecoverableZooKeeper(119): Process identifier=regionserver:56020
connecting to ZooKeeper ensemble=localhost:60188
2013-05-30 03:54:21,545 DEBUG
[RegionServer:0;asf001.sp2.ygridcore.net,58265,1369886061348-EventThread]
zookeeper.ZooKeeperWatcher(307): regionserver:58265 Received ZooKeeper Event,
type=None, state=SyncConnected, path=null
2013-05-30 03:54:21,546 INFO
[RegionServer:2;asf001.sp2.ygridcore.net,59675,1369886061430]
zookeeper.RecoverableZooKeeper(119): Process identifier=regionserver:59675
connecting to ZooKeeper ensemble=localhost:60188
2013-05-30 03:54:21,547 DEBUG
[RegionServer:1;asf001.sp2.ygridcore.net,56020,1369886061408-EventThread]
zookeeper.ZooKeeperWatcher(307): regionserver:56020 Received ZooKeeper Event,
type=None, state=SyncConnected, path=null
2013-05-30 03:54:21,547 DEBUG
[RegionServer:0;asf001.sp2.ygridcore.net,58265,1369886061348-EventThread]
zookeeper.ZooKeeperWatcher(384): regionserver:58265-0x13ef3926fe10001 connected
2013-05-30 03:54:21,549 DEBUG
[RegionServer:1;asf001.sp2.ygridcore.net,56020,1369886061408-EventThread]
zookeeper.ZooKeeperWatcher(384): regionserver:56020-0x13ef3926fe10002 connected
2013-05-30 03:54:21,550 DEBUG
[RegionServer:1;asf001.sp2.ygridcore.net,56020,1369886061408]
zookeeper.ZKUtil(431): regionserver:56020-0x13ef3926fe10002 Set watcher on
existing znode=/hbase/master
2013-05-30 03:54:21,550 DEBUG
[RegionServer:0;asf001.sp2.ygridcore.net,58265,1369886061348]
zookeeper.ZKUtil(431): regionserver:58265-0x13ef3926fe10001 Set watcher on
existing znode=/hbase/master
2013-05-30 03:54:21,551 DEBUG
[RegionServer:2;asf001.sp2.ygridcore.net,59675,1369886061430-EventThread]
zookeeper.ZooKeeperWatcher(307): regionserver:59675 Received ZooKeeper Event,
type=None, state=SyncConnected, path=null
{code}
After this patch:
{code}
...
2013-05-30 11:53:17,685 INFO [RS:1;asf000,49894,1369914797554]
zookeeper.RecoverableZooKeeper(119): Process identifier=regionserver:49894
connecting to ZooKeeper ensemble=localhost:53298
2013-05-30 11:53:17,685 INFO [RS:2;asf000,54417,1369914797577]
zookeeper.RecoverableZooKeeper(119): Process identifier=regionserver:54417
connecting to ZooKeeper ensemble=localhost:53298
2013-05-30 11:53:17,686 INFO [RS:0;asf000,52780,1369914797476]
zookeeper.RecoverableZooKeeper(119): Process identifier=regionserver:52780
connecting to ZooKeeper ensemble=localhost:53298
2013-05-30 11:53:17,689 DEBUG [RS:1;asf000,49894,1369914797554-EventThread]
zookeeper.ZooKeeperWatcher(307): regionserver:49894 Received ZooKeeper Event,
type=None, state=SyncConnected, path=null
2013-05-30 11:53:17,689 DEBUG [RS:2;asf000,54417,1369914797577-EventThread]
zookeeper.ZooKeeperWatcher(307): regionserver:54417 Received ZooKeeper Event,
type=None, state=SyncConnected, path=null
2013-05-30 11:53:17,690 DEBUG [RS:0;asf000,52780,1369914797476-EventThread]
zookeeper.ZooKeeperWatcher(307): regionserver:52780 Received ZooKeeper Event,
type=None, state=SyncConnected, path=null
2013-05-30 11:53:17,690 DEBUG [RS:1;asf000,49894,1369914797554-EventThread]
zookeeper.ZooKeeperWatcher(384): regionserver:49894-0x13ef548eb090001 connected
2013-05-30 11:53:17,691 DEBUG [RS:2;asf000,54417,1369914797577-EventThread]
zookeeper.ZooKeeperWatcher(384): regionserver:54417-0x13ef548eb090002 connected
2013-05-30 11:53:17,691 DEBUG [RS:0;asf000,52780,1369914797476-EventThread]
zookeeper.ZooKeeperWatcher(384): regionserver:52780-0x13ef548eb090003 connected
2013-05-30 11:53:17,692 DEBUG [RS:2;asf000,54417,1369914797577]
zookeeper.ZKUtil(431): regionserver:54417-0x13ef548eb090002 Set watcher on
existing znode=/hbase/master
2013-05-30 11:53:17,692 DEBUG [RS:0;asf000,52780,1369914797476]
zookeeper.ZKUtil(431): regionserver:52780-0x13ef548eb090003 Set watcher on
existing znode=/hbase/master
2013-05-30 11:53:17,693 DEBUG [RS:1;asf000,49894,1369914797554]
zookeeper.ZKUtil(431): regionserver:49894-0x13ef548eb090001 Set watcher on
existing znode=/hbase/master
2013-05-30 11:53:17,699 DEBUG [RS:2;asf000,54417,1369914797577]
zookeeper.ZKUtil(433): regionserver:54417-0x13ef548eb090002 Set watcher on
znode that does not yet exist, /hbase/running
2013-05-30 11:53:17,699 DEBUG [RS:1;asf000,49894,1369914797554]
zookeeper.ZKUtil(433): regionserver:49894-0x13ef548eb090001 Set watcher on
znode that does not yet exist, /hbase/running
2013-05-30 11:53:17,699 DEBUG [RS:0;asf000,52780,1369914797476]
zookeeper.ZKUtil(433): regionserver:52780-0x13ef548eb090003 Set watcher on
znode that does not yet exist, /hbase/running
2013-05-30 11:53:18,077 DEBUG [M:0;asf000,43595,1369914797223]
util.FSUtils(757): Created cluster ID file at
hdfs://localhost:54762/user/jenkins/hbase/hbase.id with ID:
a908a854-197b-4e6c-a91f-c4d8f071c404
...
{code}
Notice thread names.
Any chance of a +1?
Need to make our logs readable
> Change ServerName so it uses hostname only, not FQDN hostnames
> ---------------------------------------------------------------
>
> Key: HBASE-8645
> URL: https://issues.apache.org/jira/browse/HBASE-8645
> Project: HBase
> Issue Type: Sub-task
> Reporter: stack
> Assignee: stack
> Attachments: 8645.txt, 8645.txt, 8645v2.txt, 8645v3.txt, 8645v4.txt
>
>
> No need of dragging around domain part of a hostname when we make
> ServerNames. Rather than do a.example.org,60000,12345 as we currently do,
> just output: 1,60000,12345. This will make names displayed in UI and or shell
> smaller. Will also tighten up our logs a little, especially where ServerName
> is part of a thrad name.
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