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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6836) HDFS INFO logging is verbose & uses file appenders
Date Tue, 12 Aug 2014 21:08:15 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal updated HDFS-6836:
--------------------------------

    Summary: HDFS INFO logging is verbose & uses file appenders  (was: Reduce INFO logging)

> HDFS INFO logging is verbose & uses file appenders
> --------------------------------------------------
>
>                 Key: HDFS-6836
>                 URL: https://issues.apache.org/jira/browse/HDFS-6836
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>    Affects Versions: 2.4.1
>            Reporter: Gopal V
>            Assignee: Xiaoyu Yao
>         Attachments: HDFS-6836.0.patch, HDFS-6836.1.patch, HDFS-6836.2.patch
>
>
> Reported by:  [~gopalv].
> The HDFS INFO logs is present within the inner loops of HDFS logging information like
> {code}
> 2014-07-24 19:43:34,459 INFO  DataNode.clienttrace (BlockSender.java:sendBlock(738))
- src: /172.21.128.105:50010, dest: /172.21.128.113:43666, bytes: 786432, op: HDFS_READ, cliID:
DFSClient_hb_rs_cn113-10.l42scl.hortonworks.com,50700,1406227155474_1075922312_33, offset:
86616576, srvID: 3f80f56f-a6ea-4951-8db6-86b51938d144, blockid: BP-971413386-172.21.128.105-1398117368124:blk_1074925960_1186504,
duration: 6827335
> 2014-07-24 19:43:34,465 INFO  DataNode.clienttrace (BlockSender.java:sendBlock(738))
- src: /172.21.128.105:50010, dest: /172.21.128.117:41731, bytes: 786432, op: HDFS_READ, cliID:
DFSClient_hb_rs_cn117-10.l42scl.hortonworks.com,53868,1406227155459_1689003704_33, offset:
72691200, srvID: 3f80f56f-a6ea-4951-8db6-86b51938d144, blockid: BP-971413386-172.21.128.105-1398117368124:blk_1074926372_1186916,
duration: 7178626
> 2014-07-24 19:43:34,467 INFO  DataNode.clienttrace (BlockSender.java:sendBlock(738))
- src: /172.21.128.105:50010, dest: /172.21.128.113:43669, bytes: 786432, op: HDFS_READ, cliID:
DFSClient_hb_rs_cn113-10.l42scl.hortonworks.com,50700,1406227155474_1075922312_33, offset:
86813696, srvID: 3f80f56f-a6ea-4951-8db6-86b51938d144, blockid: BP-971413386-172.21.128.105-1398117368124:blk_1074925960_1186504,
duration: 8540703
> 2014-07-24 19:43:34,474 INFO  DataNode.clienttrace (BlockSender.java:sendBlock(738))
- src: /172.21.128.105:50010, dest: /172.21.128.117:41733, bytes: 786432, op: HDFS_READ, cliID:
DFSClient_hb_rs_cn117-10.l42scl.hortonworks.com,53868,1406227155459_1689003704_33, offset:
72822272, srvID: 3f80f56f-a6ea-4951-8db6-86b51938d144, blockid: BP-971413386-172.21.128.105-1398117368124:blk_1074926372_1186916,
duration: 8220422
> 2014-07-24 19:43:34,477 INFO  DataNode.clienttrace (BlockSender.java:sendBlock(738))
- src: /172.21.128.105:50010, dest: /172.21.128.113:43672, bytes: 786432, op: HDFS_READ, cliID:
DFSClient_hb_rs_cn113-10.l42scl.hortonworks.com,50700,1406227155474_1075922312_33, offset:
86944768, srvID: 3f80f56f-a6ea-4951-8db6-86b51938d144, blockid: BP-971413386-172.21.128.105-1398117368124:blk_1074925960_1186504,
duration: 8327499
> {code}
> Looks like future releases of log4j will fix this to be faster - https://issues.apache.org/jira/browse/LOG4J2-163



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