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[HDFS-2759] Pre-allocate HDFS edit log files after writing version number - HDFS - [issue]
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...In HDFS-2709 it was discovered that there's a potential race wherein edits log files are pre-allocated before the version number is written into the header of the file. This can cause the Na...
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http://issues.apache.org/jira/browse/HDFS-2759
Author: Aaron T. Myers,
2012-05-16, 06:57
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[HDFS-3414] Balancer does not find NameNode if rpc-address or servicerpc-address are not set in client configs - HDFS - [issue]
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...The balancer should also try to balance the NN if it's only specified via fs.defaultFS in the client config....
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http://issues.apache.org/jira/browse/HDFS-3414
Author: Aaron T. Myers,
2012-05-16, 05:54
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[HDFS-3404] Make putImage in GetImageServlet infer remote address to fetch from request - HDFS - [issue]
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...As it stands, daemons which perform checkpointing must determine their own address on which they can be reached, so that the NN which they checkpoint against knows what address to fetch a me...
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http://issues.apache.org/jira/browse/HDFS-3404
Author: Aaron T. Myers,
2012-05-16, 05:53
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[HDFS-3400] DNs should be able start with jsvc even if security is disabled - HDFS - [issue]
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...Currently if one tries to start a DN with security disabled (via hadoop.security.authentication = "simple" in the configs), but JSVC is correctly configured, the DN will refuse to start....
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http://issues.apache.org/jira/browse/HDFS-3400
Author: Aaron T. Myers,
2012-05-16, 05:53
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[HDFS-2263] Make DFSClient report bad blocks more quickly - HDFS - [issue]
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...In certain circumstances the DFSClient may detect a block as being bad without reporting it promptly to the NN.If when reading a file a client finds an invalid checksum of a block, it immedi...
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http://issues.apache.org/jira/browse/HDFS-2263
Author: Aaron T. Myers,
2012-05-14, 02:41
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[HDFS-2312] FSNamesystem header comment says it's for the DN - HDFS - [issue]
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...One of the less accurate class comments I've ever seen: * FSNamesystem does the actual bookkeeping work for the * DataNode....
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http://issues.apache.org/jira/browse/HDFS-2312
Author: Aaron T. Myers,
2012-05-13, 14:03
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[HDFS-3395] NN doesn't start with HA+security enabled and HTTP address set to 0.0.0.0 - HDFS - [issue]
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...DFSUtil#substituteForWildcardAddress subs in a default hostname if the given hostname is 0.0.0.0. However, this function throws an exception if the given hostname is set to 0.0.0.0 and secur...
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http://issues.apache.org/jira/browse/HDFS-3395
Author: Aaron T. Myers,
2012-05-11, 17:14
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[HDFS-3405] Checkpointing should use HTTP POST or PUT instead of GET-GET to send merged fsimages - HDFS - [issue]
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...As Todd points out in this comment, the current scheme for a checkpointing daemon to upload a merged fsimage file to an NN is to issue an HTTP get request to tell the target NN to issue anot...
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http://issues.apache.org/jira/browse/HDFS-3405
Author: Aaron T. Myers,
2012-05-11, 04:45
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[HDFS-3349] DFSAdmin fetchImage command should initialize security credentials - HDFS - [issue]
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...The `hdfs dfsadmin -fetchImage' command should fetch the fsimage using the appropriate credentials if security is enabled....
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http://issues.apache.org/jira/browse/HDFS-3349
Author: Aaron T. Myers,
2012-05-07, 20:05
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[HDFS-3351] NameNode#initializeGenericKeys should always set fs.defaultFS regardless of whether HA or Federation is enabled - HDFS - [issue]
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...NameNode#initializeGenericKeys exits early if neither a nameservice nor NN ID is passed. However, this method also serves to set fs.defaultFS in the configuration object stored by the NN to ...
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http://issues.apache.org/jira/browse/HDFS-3351
Author: Aaron T. Myers,
2012-05-03, 14:03
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