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HDFS pread performance - HDFS - [mail # dev]
...I test the HDFS pread performance, the avg time of pread is about 10ms, but  pread max time reach 200ms, there is about one percent of pread time is 200ms, that result to my application...
   Author: lei liu, 2013-04-17, 13:54
Re: DFSOutputStream.sync() method latency time - HDFS - [mail # user]
...Thanks Yanbo for your reply.  I  test code are :         FSDataOutputStream outputStream = fs.create(path);         Random r = new Random();...
   Author: lei liu, 2013-03-29, 02:50
DFSOutputStream.sync() method latency time - HDFS - [mail # user]
...When client  write data, if there are three replicates,  the sync method latency time formula should be: sync method  latency time = first datanode receive data time + sencond...
   Author: lei liu, 2013-03-28, 08:15
HA for hadoop-0.20.2 - HDFS - [mail # dev]
...I want to implement HA function for hadoop-0.20.2.  I  use the StandbyNN instance to implement the function. there is one thread to  read the edits file in share directory,exa...
   Author: lei liu, 2012-11-14, 10:22
- HDFS - [mail # user]
...http://blog.csdn.net/onlyqi/article/details/6544989 https://issues.apache.org/jira/browse/HDFS-2185 http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/HDFSHighAvailability.ht...
   Author: lei liu, 2012-10-25, 10:13
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