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[HDFS-3772] HDFS NN will hang in safe mode and never come out if we change the dfs.namenode.replication.min bigger. - HDFS - [issue]
...If the NN restarts with a new minimum replication (dfs.namenode.replication.min), any files created with the old replication count will expected to bump up to the new minimum upon restart au...
http://issues.apache.org/jira/browse/HDFS-3772    Author: Yanbo Liang, 2012-08-16, 04:24
[expand - 1 more] - Re: Number of concurrent writer to HDFS - HDFS - [mail # user]
...I think there is no distinct limitation at the number of files one can write to at the same time. Because each write stream is out to corresponding DataNodes which are different most likely....
   Author: Yanbo Liang, 2012-08-07, 06:53
[HDFS-3748] TestDFSUtil#testHANameNodesWithFederation failed because of misuse toString to generate hostname:port - HDFS - [issue]
...In the test case TestDFSUtil#testHANameNodesWithFederation, it misused InetSocketAddress.toString() to generate hostname:port format data. It cause the following assert failure when run this...
http://issues.apache.org/jira/browse/HDFS-3748    Author: Yanbo Liang, 2012-08-02, 06:50
Re: S3 listStatus on a directory return the directory itself as a file - HDFS - [mail # user]
...I think there is no distinguish between directory and file in the Filesystem implementation. So you got the two file status, one is a directory and another one is ordinary file.  2012/7...
   Author: Yanbo Liang, 2012-07-26, 11:06
[expand - 2 more] - Re: problem configuring hadoop with s3 bucket - HDFS - [mail # user]
...The S3 storage layer is at the same level with HDFS. So if you configure to use S3, it's irrational to occur the HDFS related logs such as  "org.apache.hadoop.hdfs.server.namenode.FSNam...
   Author: Yanbo Liang, 2012-07-26, 07:20
Re: Hadoop 2.0 High Availability and Federation - HDFS - [mail # user]
...It's available at Hadoop 2.0. HDFS Federation supplied multiple Namespaces for the whole storage pool. The High Availability is specific for each Namespace/NameNode, so you can configure HA ...
   Author: Yanbo Liang, 2012-07-25, 03:32
mvn test build failure - HDFS - [mail # dev]
...Hi All,  I just try to run the Hadoop test framework with the command " mvn test " in the top level directory of this project, but get "BUILD FAILURE". org/apache/maven/surefire/report/...
   Author: Yanbo Liang, 2012-07-20, 09:21
Re: Disk on data node full - HDFS - [mail # user]
...I wonder why this unbalance produce?  2012/3/17 Zizon Qiu  ...
   Author: Yanbo Liang, 2012-03-25, 03:32
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