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[expand - 4 more] - Re: [VOTE] Merge HDFS-3077 (QuorumJournalManager) branch to trunk - HDFS - [mail # dev]
...Thanks, Sanjay and Suresh.  I've merged the branch into trunk. Will take care of merging the CHANGES.txt lists, etc, tomorrow, and start working on the agreed-upon improvements early ne...
   Author: Todd Lipcon, 2012-10-11, 08:12
[HDFS-4015] Safemode should count and report orphaned blocks - HDFS - [issue]
...The safemode status currently reports the number of unique reported blocks compared to the total number of blocks referenced by the namespace. However, it does not report the inverse: blocks...
http://issues.apache.org/jira/browse/HDFS-4015    Author: Todd Lipcon, 2012-10-06, 11:45
[HDFS-2276] src/test/unit tests not being run in mavenized HDFS - HDFS - [issue]
...There are about 5 tests in src/test/unit that are no longer being run....
http://issues.apache.org/jira/browse/HDFS-2276    Author: Todd Lipcon, 2012-10-06, 00:44
[HDFS-3652] 1.x: FSEditLog failure removes the wrong edit stream when storage dirs have same name - HDFS - [issue]
...In FSEditLog.removeEditsForStorageDir, we iterate over the edits streams trying to find the stream corresponding to a given dir. To check equality, we currently use the following condition:F...
http://issues.apache.org/jira/browse/HDFS-3652    Author: Todd Lipcon, 2012-10-03, 05:08
Re: DFSOutputStream.Packet retention even if close() called when IOE encountered - HDFS - [mail # dev]
...Hey Benoit,  Sorry for the slow response on this.  The attachment seems to have not come through. Would you mind filing an HDFS JIRA and attach the reproducer case there?  Tha...
   Author: Todd Lipcon, 2012-10-01, 19:27
[HDFS-3373] FileContext HDFS implementation can leak socket caches - HDFS - [issue]
...As noted by Nicholas in HDFS-3359, FileContext doesn't have a close() method, and thus never calls DFSClient.close(). This means that, until finalizers run, DFSClient will hold on to its Soc...
http://issues.apache.org/jira/browse/HDFS-3373    Author: Todd Lipcon, 2012-09-29, 13:39
[HDFS-2751] Datanode drops OS cache behind reads even for short reads - HDFS - [issue]
...HDFS-2465 has some code which attempts to disable the "drop cache behind reads" functionality when the reads are <256KB (eg HBase random access). But this check was missing in the close()...
http://issues.apache.org/jira/browse/HDFS-2751    Author: Todd Lipcon, 2012-09-28, 22:12
[HDFS-3972] Trash emptier fails in secure HA cluster - HDFS - [issue]
...In a secure HA cluster, we're seeing the following issue on the NN when the trash emptier tries to run:WARN org.apache.hadoop.fs.TrashPolicyDefault: Trash can't list homes: java.io.IOExcepti...
http://issues.apache.org/jira/browse/HDFS-3972    Author: Todd Lipcon, 2012-09-27, 14:59
[HDFS-2798] Append may race with datanode block scanner, causing replica to be incorrectly marked corrupt - HDFS - [issue]
...When a pipeline is setup for append, the block's metadata file is renamed before the block is removed from the datanode block scanner queues. This can cause a race condition where the block ...
http://issues.apache.org/jira/browse/HDFS-2798    Author: Todd Lipcon, 2012-09-26, 01:02
[HDFS-3967] NN should bail our earlier when logs to load have a gap - HDFS - [issue]
...i was testing an HA setup with a lowered edit log retention period, and ended up in a state where one of the two NNs had fallen too far behind, such that it couldn't start up again (due to t...
http://issues.apache.org/jira/browse/HDFS-3967    Author: Todd Lipcon, 2012-09-21, 21:40
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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