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答复: Problem building hadoop 2 native - HDFS - [mail # user]
...The log looks to me that you need to install  cmake, or it doesn't appear in PATH. ________________________________________ 发件人: Alon Grinshpoon [[EMAIL PROTECTED]] 发送时间: 2013年9月23日 14:...
   Author: 谢良, 2013-09-23, 07:13
答复: Topology script frequency - HDFS - [mail # user]
...I'd submitted a patch(HADOOP-8928.txt) to reload topology config dynamically like "hdfs dfsadmin -refreshTopology" style several months before, see HADOOP-8928 for more details.  Regard...
   Author: 谢良, 2013-02-21, 02:26
[expand - 2 more] - 答复: 答复: 答复: some ideas for QJM and NFS - HDFS - [mail # user]
...But it'll contend for I/O resources. when journal(...) is invoked in JN, there will be a flush(shouldFsync) operation, relying on Java's FileChannel.force(...) method, then turn into a f(dat...
   Author: 谢良, 2013-02-18, 08:39
答复: why my test result on dfs short circuit read is slower? - HDFS - [mail # user]
...Probably readahead played a key role on the first scenario(scan only job) ?  the default LONG_READ_THRESHOLD_BYTES(BlockSender.java) is 256k in current codebase, and ReadaheadPool takes...
   Author: 谢良, 2013-02-18, 06:59
How to speedup test case running? - HDFS - [mail # dev]
...Hi devs,  are there any tips or parameters to pass to "mvn test" to make the running more aggressively?  it costs me almost two hours for a "mvn test" run under "haddop-hdfs" direc...
   Author: 谢良, 2012-10-22, 02:00
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