You are viewing a plain text version of this content. The canonical link for it is here.
Posted to hdfs-user@hadoop.apache.org by Brahma Reddy Battula <br...@huawei.com> on 2013/05/23 08:38:38 UTC
dncp_block_verification log
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-h9R0piNd9F0XELvT2BftWMmVTA@mail.gmail.com%3E
Thanks
Brahma Reddy
RE: dncp_block_verification log
Posted by Brahma Reddy Battula <br...@huawei.com>.
HI Harsh
Thanks for reply...
I am using hadoop-2.0.1
________________________________
From: Harsh J [harsh@cloudera.com]
Sent: Thursday, May 23, 2013 8:24 PM
To: <us...@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 <br...@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-h9R0piNd9F0XELvT2BftWMmVTA@mail.gmail.com%3E
Thanks
Brahma Reddy
--
Harsh J
RE: dncp_block_verification log
Posted by Brahma Reddy Battula <br...@huawei.com>.
HI Harsh
Thanks for reply...
I am using hadoop-2.0.1
________________________________
From: Harsh J [harsh@cloudera.com]
Sent: Thursday, May 23, 2013 8:24 PM
To: <us...@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 <br...@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-h9R0piNd9F0XELvT2BftWMmVTA@mail.gmail.com%3E
Thanks
Brahma Reddy
--
Harsh J
RE: dncp_block_verification log
Posted by Brahma Reddy Battula <br...@huawei.com>.
HI Harsh
Thanks for reply...
I am using hadoop-2.0.1
________________________________
From: Harsh J [harsh@cloudera.com]
Sent: Thursday, May 23, 2013 8:24 PM
To: <us...@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 <br...@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-h9R0piNd9F0XELvT2BftWMmVTA@mail.gmail.com%3E
Thanks
Brahma Reddy
--
Harsh J
RE: dncp_block_verification log
Posted by Brahma Reddy Battula <br...@huawei.com>.
HI Harsh
Thanks for reply...
I am using hadoop-2.0.1
________________________________
From: Harsh J [harsh@cloudera.com]
Sent: Thursday, May 23, 2013 8:24 PM
To: <us...@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 <br...@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-h9R0piNd9F0XELvT2BftWMmVTA@mail.gmail.com%3E
Thanks
Brahma Reddy
--
Harsh J
Re: dncp_block_verification log
Posted by Harsh J <ha...@cloudera.com>.
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.battula@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-h9R0piNd9F0XELvT2BftWMmVTA@mail.gmail.com%3E
>
>
>
> Thanks
>
>
>
> Brahma Reddy
>
--
Harsh J
Re: dncp_block_verification log
Posted by Harsh J <ha...@cloudera.com>.
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.battula@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-h9R0piNd9F0XELvT2BftWMmVTA@mail.gmail.com%3E
>
>
>
> Thanks
>
>
>
> Brahma Reddy
>
--
Harsh J
Re: dncp_block_verification log
Posted by Harsh J <ha...@cloudera.com>.
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.battula@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-h9R0piNd9F0XELvT2BftWMmVTA@mail.gmail.com%3E
>
>
>
> Thanks
>
>
>
> Brahma Reddy
>
--
Harsh J
Re: dncp_block_verification log
Posted by Harsh J <ha...@cloudera.com>.
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.battula@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-h9R0piNd9F0XELvT2BftWMmVTA@mail.gmail.com%3E
>
>
>
> Thanks
>
>
>
> Brahma Reddy
>
--
Harsh J