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From Kihwal Lee <kih...@yahoo-inc.com>
Subject Re: error messages from datanode
Date Thu, 11 Oct 2012 14:56:36 GMT
They are not errors, but I agree it's annoying.
See HDFS-3194 and HDFS-3828 for details.

Kihwal 

On 10/11/12 12:49 AM, "Xiang Hua" <beatls@gmail.com> wrote:

>Hi,
>   below is error messages from datanode, we use CDH4 with redhat6.1, what
>the problem?
>
>[root@hadoop2 hadoop-hdfs]# tail -f hadoop-hdfs-datanode-hadoop2.log
>2012-10-11 13:44:02,572 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:07,678 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:12,693 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:17,742 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:22,757 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:27,888 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:32,903 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:37,984 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:43,099 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:48,172 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:53,187 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:44:58,302 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:03,303 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:08,399 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:13,514 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:18,620 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:23,685 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:28,725 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:33,773 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:38,871 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:43,920 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:48,976 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:54,091 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:45:59,139 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:04,262 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:09,286 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:14,384 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:19,490 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:24,530 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:29,562 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:34,593 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:39,625 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:44,656 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:49,688 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:54,728 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:46:59,759 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:04,849 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:09,889 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:14,929 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:20,019 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:25,059 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:30,099 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:35,197 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:40,295 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:45,296 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:50,342 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:47:55,381 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:48:00,496 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:48:05,594 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:48:10,701 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:48:15,749 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:48:20,789 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:48:25,837 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:48:30,877 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:48:35,917 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>2012-10-11 13:48:40,949 INFO
>org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Starting a
>new period : work left in prev period : 0.00%
>
>Thanks!
>
>beatls


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