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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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[HDFS-3269] End-to-end test for making a non-HA HDFS cluster HA-enabled - HDFS - [issue]
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...Per Eli on HDFS-3259, it would be great if we had a test that did the following: Starts w/ non HA NN1 Shutdown, enable HA on NN1, add SBN NN2 Run initializeSharedEdits Start and transition t...
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http://issues.apache.org/jira/browse/HDFS-3269
Author: Aaron T. Myers,
2012-04-27, 17:48
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[HDFS-2999] DN metrics should include per-disk utilization - HDFS - [issue]
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...We should have per-dfs.data.dir metrics in the DN's metrics report....
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http://issues.apache.org/jira/browse/HDFS-2999
Author: Aaron T. Myers,
2012-04-24, 23:06
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[HDFS-3305] GetImageServlet should consider SBN a valid requestor in a secure HA setup - HDFS - [issue]
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...Right now only the NN and 2NN are considered valid requestors. This won't work if the ANN and SBN use distinct principal names....
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http://issues.apache.org/jira/browse/HDFS-3305
Author: Aaron T. Myers,
2012-04-20, 13:24
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