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[HDFS-5046] Hang when add/remove a datanode into/from a 2 datanode cluster - HDFS - [issue]
...1. Install a Hadoop 1.1.1 cluster, with 2 datanodes: dn1 and dn2. And, in hdfs-site.xml, set the 'dfs.replication' to 22. Add node dn3 into the cluster as a new datanode, and did not change ...
http://issues.apache.org/jira/browse/HDFS-5046    Author: sam liu, 2013-07-31, 17:57
Parameter 'yarn.nodemanager.resource.cpu-cores' does not work - HDFS - [mail # user]
...Hi,  With Hadoop 2.0.4-alpha, yarn.nodemanager.resource.cpu-cores does not work for me: 1. The performance of running same terasort job do not change, even after increasing or decreasin...
   Author: sam liu, 2013-07-03, 03:33
Re: How to write/run MPI program on Yarn? - HDFS - [mail # user]
...Any one could help answer above questions? Thanks a lot!   2013/7/1 sam liu  ...
   Author: sam liu, 2013-07-02, 09:21
[expand - 3 more] - Re: How Yarn execute MRv1 job? - HDFS - [mail # user]
...Got it, and thanks!   2013/6/20 Azuryy Yu  ...
   Author: sam liu, 2013-06-20, 08:48
[expand - 1 more] - Re: The minimum memory requirements to datanode and namenode? - HDFS - [mail # user]
...Got some exceptions on node3: 1. datanode log: 2013-04-17 11:13:44,719 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: writeBlock blk_2478755809192724446_1477 received exception java.n...
   Author: sam liu, 2013-05-13, 03:25
[expand - 1 more] - Re: Why could not find finished jobs in yarn.resourcemanager.webapp.address? - HDFS - [mail # dev]
...Can anyone help this issue? Thanks!   2013/5/2 sam liu  ...
   Author: sam liu, 2013-05-03, 01:31
Failed to install openssl-devel 1.0.0-20.el6 on OS RHELS 6.3 x86_64 - HDFS - [mail # dev]
...Hi,  For building Hadoop on OS RHELS 6.3 x86_64, I tried to install openssl-devel, but failed. The exception is as below. The required version of glibc-common is 2.12-1.47.el6, but mine...
   Author: sam liu, 2013-04-26, 10:05
How to build hadoop-2.0.3-alpha-src project to get a project like hadoop-2.0.3-alpha? - HDFS - [mail # dev]
...Hi,  I got hadoop-2.0.3-alpha-src.tar.gz and hadoop-2.0.3-alpha.tar.gz, but found they have different structures as below: - hadoop-2.0.3-alpha  contains folder/file: bin  etc...
   Author: sam liu, 2013-04-26, 05:06
[expand - 5 more] - Re: Why failed to use Distcp over FTP protocol? - HDFS - [mail # dev]
...I could execute: - hadoop fs -ls ftp://ftpuser:ftpuser@hostname/tmp/testdir - hadoop fs -lsr ftp://ftpuser:ftpuser@hostname/tmp/testdir  Is there any special requirement to ftp configur...
   Author: sam liu, 2013-04-25, 02:37
[expand - 1 more] - Re: Encounter 'error: possibly undefined macro: AC_PROG_LIBTOOL', when build Hadoop project in SUSE 11(x86_64) - HDFS - [mail # dev]
...autoconf.noarch 2.68-4.1   2013/4/23 Harsh J  ...
   Author: sam liu, 2013-04-23, 08:57
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB