Re: dncp_block_verification log

2013-05-23 Thread Harsh J 
Hi,

What is your HDFS version? I vaguely remember this to be a problem in the
2.0.0 version or so where there was also a block scanner excessive work
bug, but I'm not sure what fixed it. I've not seen it appear in the later
releases.


On Thu, May 23, 2013 at 12:08 PM, Brahma Reddy Battula 
brahmareddy.batt...@huawei.com wrote:

  Hi All,



 On some systems, I noticed that when the scanner runs, the
 dncp_block_verification.log.curr file under the block pool gets quite large
 ..





 Please let me know..



 i) why it is growing in only some machines..?

 ii) Wht's solution..?



 Following links also will describes the problem




 http://mail-archives.apache.org/mod_mbox/hadoop-mapreduce-user/201303.mbox/%3ccajzooycpad5w6cqdteliufy-h9r0pind9f0xelvt2bftwmm...@mail.gmail.com%3E



 Thanks



 Brahma Reddy




-- 
Harsh J

RE: dncp_block_verification log

2013-05-23 Thread Brahma Reddy Battula 
HI Harsh





Thanks for reply...



I am using hadoop-2.0.1





From: Harsh J [ha...@cloudera.com]
Sent: Thursday, May 23, 2013 8:24 PM
To: user@hadoop.apache.org
Subject: Re: dncp_block_verification log

Hi,

What is your HDFS version? I vaguely remember this to be a problem in the 2.0.0 
version or so where there was also a block scanner excessive work bug, but I'm 
not sure what fixed it. I've not seen it appear in the later releases.


On Thu, May 23, 2013 at 12:08 PM, Brahma Reddy Battula 
brahmareddy.batt...@huawei.commailto:brahmareddy.batt...@huawei.com wrote:

Hi All,



On some systems, I noticed that when the scanner runs, the 
dncp_block_verification.log.curr file under the block pool gets quite large ..





Please let me know..



i) why it is growing in only some machines..?

ii) Wht's solution..?



Following links also will describes the problem



http://mail-archives.apache.org/mod_mbox/hadoop-mapreduce-user/201303.mbox/%3ccajzooycpad5w6cqdteliufy-h9r0pind9f0xelvt2bftwmm...@mail.gmail.com%3E



Thanks



Brahma Reddy



--
Harsh J