Usually at INFO level I see ugi non-null:

ugi=stack,stack ip=/10.20.20.188

... so can tell who client is.

St.Ack



On Fri, Oct 22, 2010 at 8:52 PM, Jack Levin <[email protected]> wrote:
> Thanks, we have other clusters that do not get the 'flood' even though
> 'INFO' level is on.   Any tips on how to find out which dfs 'client'
> is talking to namenode?
>
> Thanks.
>
> -Jack
>
> On Fri, Oct 22, 2010 at 2:22 PM, Andrew Purtell <[email protected]> wrote:
>> For turning off the logging you can add a line like this to 
>> hadoop/conf/log4j.properties on your namenode:
>>
>> log4j.logger.org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit=WARN
>>
>> Best regards,
>>
>>    - Andy
>>
>>
>> --- On Fri, 10/22/10, Jack Levin <[email protected]> wrote:
>>
>>> From: Jack Levin <[email protected]>
>>> Subject: question about namenode log spam
>>> To: [email protected]
>>> Date: Friday, October 22, 2010, 1:07 PM
>>> Ok, I am not running any fsck right
>>> now, but my namenode log file gets
>>> flooded with:
>>>
>>>
>>> 2010-10-22 13:05:35,695 INFO
>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
>>> ugi=null    ip=null
>>> cmd=open
>>> src=/hbase/img_attrib2/1013787254/at/6389043051467581294
>>> dst=null    perm=null
>>> 2010-10-22 13:05:35,695 INFO
>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
>>> ugi=null    ip=null
>>> cmd=open
>>> src=/hbase/img_attrib2/1013787254/at/7974496752278492374
>>> dst=null    perm=null
>>> 2010-10-22 13:05:35,695 INFO
>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
>>> ugi=null    ip=null
>>> cmd=open
>>> src=/hbase/img_attrib2/1015465179/.regioninfo
>>> dst=null    perm=null
>>> 2010-10-22 13:05:35,695 INFO
>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
>>> ugi=null    ip=null
>>> cmd=open
>>> src=/hbase/img_attrib2/1015465179/at/3898058552498687797
>>> dst=null    perm=null
>>> 2010-10-22 13:05:35,695 INFO
>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
>>> ugi=null    ip=null
>>> cmd=open
>>> src=/hbase/img_attrib2/1015465179/at/6614723640876741495
>>> dst=null    perm=null
>>> 2010-10-22 13:05:35,695 INFO
>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
>>> ugi=null    ip=null
>>> cmd=open
>>> src=/hbase/img_attrib2/1020292229/.regioninfo
>>> dst=null    perm=null
>>> 2010-10-22 13:05:35,695 INFO
>>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
>>> ugi=null    ip=null
>>> cmd=open
>>> src=/hbase/img_attrib2/1020292229/at/1982596761753054075
>>>
>>>
>>>
>>> is it possible to track down to which client is requesting
>>> it?
>>> Namenode literally opens every file every 20 seconds or
>>> so.  Is
>>> something master doing to the HDFS?
>>> Can I turn off "INFO" logging somehow?
>>>
>>> -Jack
>>>
>>
>>
>>
>>
>

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