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[HDFS-3652] 1.x: FSEditLog failure removes the wrong edit stream when storage dirs have same name - HDFS - [issue]
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...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...
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http://issues.apache.org/jira/browse/HDFS-3652
Author: Todd Lipcon,
2012-10-03, 05:08
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Re: DFSOutputStream.Packet retention even if close() called when IOE encountered - HDFS - [mail # dev]
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...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...
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Author: Todd Lipcon,
2012-10-01, 19:27
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[HDFS-3373] FileContext HDFS implementation can leak socket caches - HDFS - [issue]
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...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...
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http://issues.apache.org/jira/browse/HDFS-3373
Author: Todd Lipcon,
2012-09-29, 13:39
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[HDFS-2751] Datanode drops OS cache behind reads even for short reads - HDFS - [issue]
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...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()...
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http://issues.apache.org/jira/browse/HDFS-2751
Author: Todd Lipcon,
2012-09-28, 22:12
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Re: [VOTE] Merge HDFS-3077 (QuorumJournalManager) branch to trunk - HDFS - [mail # dev]
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...Hey Sanjay, While I understand it's substantial and complex code, the code and the design doc have been available for several months, and the community has certainly been aware of its ...
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Author: Todd Lipcon,
2012-09-28, 22:02
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Re: [VOTE] Merge HDFS-3077 (QuorumJournalManager) branch to trunk - HDFS - [mail # dev]
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...Sorry for the slowness in response - I've been in bed with a fever the past couple days and only sporadically on email. I'll respond to a few different points made in the above thread here: ...
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Author: Todd Lipcon,
2012-09-27, 20:29
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[HDFS-3972] Trash emptier fails in secure HA cluster - HDFS - [issue]
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...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...
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http://issues.apache.org/jira/browse/HDFS-3972
Author: Todd Lipcon,
2012-09-27, 14:59
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[HDFS-2798] Append may race with datanode block scanner, causing replica to be incorrectly marked corrupt - HDFS - [issue]
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...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 ...
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http://issues.apache.org/jira/browse/HDFS-2798
Author: Todd Lipcon,
2012-09-26, 01:02
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[HDFS-3969] Small bug fixes and improvements for disk locations API - HDFS - [issue]
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...The new disk block locations API has a configurable timeout, but it's used inconsistently: the invokeAll() call to the thread pool assumes the timeout is in seconds, but the RPC timeout is s...
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http://issues.apache.org/jira/browse/HDFS-3969
Author: Todd Lipcon,
2012-09-25, 07:50
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[HDFS-3967] NN should bail our earlier when logs to load have a gap - HDFS - [issue]
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...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...
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http://issues.apache.org/jira/browse/HDFS-3967
Author: Todd Lipcon,
2012-09-21, 21:40
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