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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-3974] dfsadmin -metasave throws NPE when under-replicated blocks are recently deleted - HDFS - [issue]
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...We currently have the following race: Block is underreplicated, hence it's present in neededReplications User deletes the block - its BlockInfo.blockCollection is set to null Admin runs meta...
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http://issues.apache.org/jira/browse/HDFS-3974
Author: Todd Lipcon,
2012-09-26, 02:45
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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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[HDFS-2991] failure to load edits: ClassCastException - HDFS - [issue]
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...In doing scale testing of trunk at r1291606, I hit the following:java.io.IOException: Error replaying edit log at offset 1354251Recent opcode offsets: 1350014 1350176 1350312 1354251 &n...
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http://issues.apache.org/jira/browse/HDFS-2991
Author: Todd Lipcon,
2012-09-20, 23:23
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[HDFS-3956] QJM: purge temporary files when no longer within retention period - HDFS - [issue]
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...After doing a bunch of fault testing, I noticed that the JNs had a bunch of temporary files left around in their journal directories which were no longer within the retention period. For exa...
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http://issues.apache.org/jira/browse/HDFS-3956
Author: Todd Lipcon,
2012-09-20, 00:43
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[HDFS-3950] QJM: misc TODO cleanup, improved log messages, etc - HDFS - [issue]
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...General JIRA for a bunch of miscellaneous clean-up in the QJM branch: fix most remaining TODOs improve some log/error messages add some more sanity checks where appropriate address any findb...
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http://issues.apache.org/jira/browse/HDFS-3950
Author: Todd Lipcon,
2012-09-20, 00:30
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