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[HDFS-316] Balancer should run for a configurable # of iterations - HDFS - [issue]
...The balancer currently exits if nothing has changed after 5 iterations.Our site would like to constantly balance a stream of incoming data; we would like to be able to set the number of iter...
http://issues.apache.org/jira/browse/HDFS-316    Author: Brian Bockelman, 2014-02-03, 11:50
[HDFS-2249] Group changes cause FUSE-DFS I/O error - HDFS - [issue]
...If a user utilizes the FUSE mount, then has a group change, they will be unable to write into FUSE using the new group information.To duplicate (assuming user brian starts only in group bria...
http://issues.apache.org/jira/browse/HDFS-2249    Author: Brian Bockelman, 2012-10-03, 20:49
Re: unsubscribe - HDFS - [mail # user]
...Alright folks, enough is enough.  While it's fun to watch the number of people who do not know how to work  with a basic mailing list, I'd like to have my inbox back.  If you ...
   Author: Brian Bockelman, 2012-08-08, 14:28
[HDFS-838] libhdfs causes a segfault due to race condition - HDFS - [issue]
...The first libhdfs operation that is performed is not thread-safe; this is because the creation of a JVM is not protected by a mutex.We have been able to trigger this by doing the following:1...
http://issues.apache.org/jira/browse/HDFS-838    Author: Brian Bockelman, 2012-07-06, 18:40
[HDFS-860] fuse-dfs truncate behavior causes issues with scp - HDFS - [issue]
...For whatever reason, scp issues a "truncate" once it's written a file to truncate the file to the # of bytes it has written (i.e., if a file is X bytes, it calls truncate(X)).This fails on t...
http://issues.apache.org/jira/browse/HDFS-860    Author: Brian Bockelman, 2012-05-17, 14:03
Re: libhdfs process fork problem - HDFS - [mail # dev]
...Hi Tareq,  Sorry - out of ideas, without doing something like "strace"ing the  process to verify that the master never tries to initialize a JVM.  If exec'ing doesn't work, th...
   Author: Brian Bockelman, 2012-03-27, 18:49
Re: corrupted edits log after power failure - HDFS - [mail # dev]
...Hi Gabi,  I'd be a bit scared of that backup strategy; what happens if the TCP  connection gets cut suddenly during curl?  What happens if there's a TCP  corruption? &nbs...
   Author: Brian Bockelman, 2011-09-22, 19:15
Re: questions regarding fuse_dfs_read - HDFS - [mail # dev]
...Hi Aastha,  A read-ahead buffer is a common technique to trade higher bandwidth for  lower latency for a number of common read patterns.  Your OS does  something similar ...
   Author: Brian Bockelman, 2011-09-07, 12:15
Re: Merging Namenode Federation feature (HDFS-1052) to trunk - HDFS - [mail # dev]
...On Mar 21, 2011, at 6:08 PM, Sanjay Radia wrote:  DNs. things if a data node is willing to store blocks for any NN anywhere in the  data center. with a set of data nodes and each c...
   Author: Brian Bockelman, 2011-03-21, 23:25
Re: libhdfs not getting compiled - HDFS - [mail # dev]
...Hi Aastha,  This is not hadoop-specific advice, but general debugging:  1) Verify you are using the version of the library you think you are.   Done. 2) Rebuild. 3) Check the ...
   Author: Brian Bockelman, 2011-03-18, 13:23
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