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[HDFS-2049] Should add the column name tips for HDFS shell command - HDFS - [issue]
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...:abc:root > bin/hadoop fs -count -q /ABC11/06/07 18:05:54 INFO security.Groups: Group mapping impl=org.apache.hadoop.security.ShellBasedUnixGroupsMapping; cacheTimeout=30000011/06/07 18:0...
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http://issues.apache.org/jira/browse/HDFS-2049
Author: Denny Ye,
2012-11-20, 03:08
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Re: How to find EOF - HDFS - [mail # user]
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...DFSInputStream.available(); 2012/6/13 Mohammad Tariq ...
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Author: Denny Ye,
2012-06-13, 00:17
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[HDFS-3471] NullPointerException when NameNode is closing - HDFS - [issue]
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...In local environment, there is NPE when NameNode is closing. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++2012-05-28 08:54:33,139 INFO org.apache.hadoop.ipc.Server: IPC S...
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http://issues.apache.org/jira/browse/HDFS-3471
Author: Denny Ye,
2012-05-28, 09:32
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Does NameNode directory need fine-grained path lock? - HDFS - [mail # user]
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...hi guys, Currently, NameNode uses read-write lock at top root folder. In my opinion, it's too huge for whole namespace with million of file/folder. Meanwhile, a few level folde...
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Author: Denny Ye,
2012-05-08, 08:15
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[HDFS-3152] Reading consistency for all readers - HDFS - [issue]
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...I met an exception when I would like to seek to latest size of file that another client was writing. Message is "Cannot seek after EOF". I got the seek target from previous input stream and ...
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http://issues.apache.org/jira/browse/HDFS-3152
Author: Denny Ye,
2012-03-26, 08:20
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[HDFS-2749] Wrong fsimage format while entering recovery mode - HDFS - [issue]
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...hadoop is into a recovery mode and save namespace to disk before the system starting service. however, there are many situation will cause hadoop enter recovery mode like missing VERSION fil...
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http://issues.apache.org/jira/browse/HDFS-2749
Author: Denny Ye,
2012-03-16, 04:55
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[HDFS-3063] NameNode should validate all coming file path - HDFS - [issue]
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...NameNode provides RPC service for not only DFS client but also user defined program. A common case we always met is that user transfers file path prefixed with HDFS protocol("hdfs://{namenod...
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http://issues.apache.org/jira/browse/HDFS-3063
Author: Denny Ye,
2012-03-10, 04:24
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Re: Nonempty files become empty after being saved to Hdfs. - HDFS - [mail # user]
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...hi Peter, There is no any operation log? Please using the state change log with debug level. I checked the code for creating 'symlink'. It looks like regular oper...
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Author: Denny Ye,
2012-02-24, 07:55
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Re: Nonempty files become empty after being saved to Hdfs. - HDFS - [mail # user]
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...hi Peter, I met this problem in our environment at one time. It may caused by the blank data stream from Scribe to HDFS. In fixed rotate model, there is no any dat...
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Author: Denny Ye,
2012-02-20, 02:25
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Re: Replication - HDFS - [mail # user]
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...hi Ajay Does the file that related with that blockId(blk_4884628009930930282_210741) has being existed at HDFS? Your setting is right for new file to HDFS after t...
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Author: Denny Ye,
2012-02-17, 02:40
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