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[HDFS-2655] BlockReaderLocal#skip performs unnecessary IO - HDFS - [issue]
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...Per HDFS-2654 BlockReaderLocal#skip performs the skip by reading the data so we stay in sync with checksums. This could be implemented more efficiently in the future to skip to the beginning...
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http://issues.apache.org/jira/browse/HDFS-2655
Author: Eli Collins,
2013-06-13, 23:41
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[HDFS-4053] Increase the default block size - HDFS - [issue]
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...The default HDFS block size (dfs.blocksize) has been 64mb forever. 128mb works well in practice on today's hardware configurations, most clusters I work with use it or higher (eg 256mb). Let...
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http://issues.apache.org/jira/browse/HDFS-4053
Author: Eli Collins,
2013-06-06, 15:07
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Re: [VOTE] Plan to create release candidate for 0.23.8 - HDFS - [mail # dev]
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...+1 On Friday, May 17, 2013, Thomas Graves wrote: ...
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Author: Eli Collins,
2013-05-18, 02:25
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[HDFS-2639] A client may fail during block recovery even if its request to recover a block succeeds - HDFS - [issue]
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...The client gets stuck in the following loop if an rpc its issued to recover a block timed out:DataStreamer#run1. processDatanodeError2. DN#recoverBlock3. &n...
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http://issues.apache.org/jira/browse/HDFS-2639
Author: Eli Collins,
2013-05-14, 06:12
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[HDFS-2556] HDFS tests fail on systems with umask 0002 - HDFS - [issue]
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...On systems with umask 0002 tests will fail due to all data dir directories being invalid:2011-11-16 14:19:53,879 WARN datanode.DataNode (DataNode.java:makeInstance(1569)) - Invalid dir...
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http://issues.apache.org/jira/browse/HDFS-2556
Author: Eli Collins,
2013-05-14, 06:12
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[HDFS-3821] Backport HDFS-3626 to branch-1 (Creating file with invalid path can corrupt edit log) - HDFS - [issue]
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...Per Todd's comment this issue affects v1 as well though the problem isn't as obvious because the shell doesn't use the Path(URI) constructor. To test the server side Todd modified the touchz...
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http://issues.apache.org/jira/browse/HDFS-3821
Author: Eli Collins,
2013-05-14, 06:12
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[HDFS-3907] Allow multiple users for local block readers - HDFS - [issue]
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...The dfs.block.local-path-access.user config added in HDFS-2246 only supports a single user, however as long as blocks are group readable by more than one user the feature could be used by mu...
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http://issues.apache.org/jira/browse/HDFS-3907
Author: Eli Collins,
2013-05-14, 06:12
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[HDFS-3883] DFSClient NPE due to missing block when opening a file - HDFS - [issue]
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...I saw the following NPE for a client on branch-1 that looks like it accessed a block not in the volume map, probably because the block was already deleted (otherwise the primary should have ...
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http://issues.apache.org/jira/browse/HDFS-3883
Author: Eli Collins,
2013-05-14, 06:12
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[HDFS-3639] JspHelper#getUGI should always verify the token if security is enabled - HDFS - [issue]
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...JspHelper#getUGI on verifies the given token if the context and nn are set (added in HDFS-2416). We should unconditionally verifyToken the token, ie a bug where "name.node" is not set in the...
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http://issues.apache.org/jira/browse/HDFS-3639
Author: Eli Collins,
2013-05-14, 05:48
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[HDFS-3684] NamenodeWebHdfsMethods#init shouldn't log the DT parameter - HDFS - [issue]
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...The following logs the DT parameter at the tracing log level, we shouldn't. Credit to Todd for noticing this. if (LOG.isTraceEnabled()) { LOG.trace...
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http://issues.apache.org/jira/browse/HDFS-3684
Author: Eli Collins,
2013-05-14, 05:47
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