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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2687) 1707 added errant INFO-level logging to DFSClient
Date Wed, 23 Jan 2008 02:08:34 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HADOOP-2687:
--------------------------

    Status: Patch Available  (was: Open)

Passing to hudson

> 1707 added errant INFO-level logging to DFSClient
> -------------------------------------------------
>
>                 Key: HADOOP-2687
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2687
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 0.16.0
>
>         Attachments: dfsclient.patch
>
>
> Marking this a blocker because it looks bad and it looks unintentional.  If it this turns
out to not be a blocker for hadoop, it will become one for hbase because 2/3rds of our DEBUG-level
logs are filled with these DFSClient messages.  Below is a sample:
> {code}
> ...
> 2008-01-23 01:17:31,506 DEBUG org.apache.hadoop.hbase.HStore: compaction for HStore 1028785192/info
needed.
> 2008-01-23 01:17:31,506 DEBUG org.apache.hadoop.hbase.HRegion: 1028785192/info needs
compaction
> 2008-01-23 01:17:31,506 INFO org.apache.hadoop.hbase.HRegion: starting compaction on
region .META.,,1
> 2008-01-23 01:17:31,506 DEBUG org.apache.hadoop.hbase.HStore: started compaction of 4
files using hdfs://aa0-000-12.u.powerset.com:9123/hbase123/.META./compaction.dir for 1028785192/info
> 2008-01-23 01:17:31,548 INFO org.apache.hadoop.fs.DFSClient: Allocating new block
> 2008-01-23 01:17:31,549 INFO org.apache.hadoop.fs.DFSClient: pipeline = XX.XX.XX.0:50010
> 2008-01-23 01:17:31,549 INFO org.apache.hadoop.fs.DFSClient: pipeline = XX.XX.XX..142:50010
> 2008-01-23 01:17:31,549 INFO org.apache.hadoop.fs.DFSClient: pipeline = XX.XX.XX..139:50010
> 2008-01-23 01:17:31,549 INFO org.apache.hadoop.fs.DFSClient: Connecting to XX.XX.XX..140:50010
> 2008-01-23 01:17:31,635 INFO org.apache.hadoop.fs.DFSClient: Closing old block blk_-1043800255529565106
> 2008-01-23 01:17:31,660 INFO org.apache.hadoop.fs.DFSClient: Allocating new block
> 2008-01-23 01:17:31,661 INFO org.apache.hadoop.fs.DFSClient: pipeline = XX.XX.XX..140:50010
> 2008-01-23 01:17:31,661 INFO org.apache.hadoop.fs.DFSClient: pipeline = XX.XX.XX..139:50010
> 2008-01-23 01:17:31,661 INFO org.apache.hadoop.fs.DFSClient: pipeline = XX.XX.XX..141:50010
> 2008-01-23 01:17:31,661 INFO org.apache.hadoop.fs.DFSClient: Connecting to XX.XX.XX..140:50010
> 2008-01-23 01:17:31,748 INFO org.apache.hadoop.fs.DFSClient: Closing old block blk_-8906552400781425824
> 2008-01-23 01:17:31,793 INFO org.apache.hadoop.fs.DFSClient: Allocating new block
> 2008-01-23 01:17:31,794 INFO org.apache.hadoop.fs.DFSClient: pipeline = XX.XX.XX..140:50010
> 2008-01-23 01:17:31,794 INFO org.apache.hadoop.fs.DFSClient: pipeline = XX.XX.XX..139:50010
> 2008-01-23 01:17:31,794 INFO org.apache.hadoop.fs.DFSClient: pipeline = XX.XX.XX..141:50010
> 2008-01-23 01:17:31,794 INFO org.apache.hadoop.fs.DFSClient: Connecting to XX.XX.XX..140:50010
> 2008-01-23 01:17:31,881 INFO org.apache.hadoop.fs.DFSClient: Closing old block blk_3933085663541821686
> 2008-01-23 01:17:31,902 DEBUG org.apache.hadoop.hbase.HStore: moving 1028785192/info/1089676733326611803
in hdfs:/XX.XX.XX.:9123/hbase123/.META./compaction.dir to 1028785192/info/8081034940986786580
in hdfs://XX.XX.XX.:9123/hbase123/.META. for 1028785192/info
> 2008-01-23 01:17:31,992 INFO org.apache.hadoop.hbase.HRegion: compaction completed on
region .META.,,1. Took 0sec
> ...
> {code}
> This issue was originally reported over in hadoop-user by Billy Preston.

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