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[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, 2014-07-21, 23:06
[HDFS-215] Offline Namenode fsImage verification - HDFS - [issue]
...Currently, there is no way to verify that a copy of the fsImage is not corrupt.  I propose that we should have an offline tool that loads the fsImage into memory to see if it is usable....
http://issues.apache.org/jira/browse/HDFS-215    Author: Brian Bockelman, 2014-07-21, 18:56
[HDFS-89] Datanode should verify block sizes vs metadata on startup - HDFS - [issue]
...I could have sworn this bug had been reported by someone else already, but I can't find it on JIRA after searching.... apologies if this is a duplicate.The datanode, upon starting up, should...
http://issues.apache.org/jira/browse/HDFS-89    Author: Brian Bockelman, 2014-07-21, 18:55
[HDFS-221] Trigger block scans for datanode - HDFS - [issue]
...Provide a mechanism to trigger block scans in a datanode upon request.  Support interfaces for commands sent by the namenode and through the HTTP interface....
http://issues.apache.org/jira/browse/HDFS-221    Author: Brian Bockelman, 2014-07-21, 18:25
[HDFS-2251] Namenode does not recognize incorrectly sized blocks - HDFS - [issue]
...We had a lot of file system corruption resulting in incorrectly sized blocks (on disk, they're truncated to 192KB when they should be 64MB).However, I cannot make Hadoop realize that these b...
http://issues.apache.org/jira/browse/HDFS-2251    Author: Brian Bockelman, 2014-07-21, 18:13
[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, 2014-07-19, 01:13
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
[expand - 1 more] - 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
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