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[HDFS-4277] SocketTimeoutExceptions over the DataXciever service of a DN should print the DFSClient ID - HDFS - [issue]
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...Currently, when one faces a SocketTimeoutExceptions (or any exception rather, in a DN log, for a client <-> DN interaction), we fail to print the DFSClient ID. This makes it untraceabl...
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http://issues.apache.org/jira/browse/HDFS-4277
Author: Harsh J,
2013-02-07, 00:05
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Re: Apache Development Snapshot Repository does not work - HDFS - [mail # user]
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...Are you trying to build a specific submodule here, i.e, under what checked out directory are you running the "mvn install" under? I'd recommend running it under the root of the checkout (the...
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Author: Harsh J,
2013-02-01, 19:10
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Re: How to find Blacklisted Nodes via cli. - HDFS - [mail # user]
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...There isn't a concept of 'blacklist' in HDFS, it exists only in MapReduce (MR1) and YARN. Dead Nodes (and those that have been excluded) are reported via "hdfs dfsadmin -report" as ind...
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Author: Harsh J,
2013-01-31, 14:02
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[HDFS-4449] When a decommission is awaiting closure of live blocks, show the block IDs on the NameNode's UI report - HDFS - [issue]
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...It is rather common for people to be complaining about 'DN decommission' hangs cause of live blocks waiting to get completed by some app (especially certain HBase specifics cause a file to b...
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http://issues.apache.org/jira/browse/HDFS-4449
Author: Harsh J,
2013-01-29, 05:27
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[HDFS-4259] Improve pipeline DN replacement failure message - HDFS - [issue]
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...The current message shown is something such as below:Failed to add a datanode. User may turn off this feature by setting X.policy in configuration, where the current policy is Y. (Nodes: cur...
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http://issues.apache.org/jira/browse/HDFS-4259
Author: Harsh J,
2013-01-28, 13:21
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Re: reg max map task config - HDFS - [mail # user]
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...Hi, As noted on http://hadoop.apache.org/docs/stable/cluster_setup.html#Configuring+the+Hadoop+Daemons, and by its own name, the config 'mapred.tasktracker.map.tasks.maximum' applies t...
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Author: Harsh J,
2013-01-28, 05:20
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Re: Executing a Python program inside Map Function - HDFS - [mail # user]
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...Java provides the Process class to help you launch and read/write from/to processes: http://docs.oracle.com/javase/6/docs/api/java/lang/Process.html. You can use this to spawn your program f...
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Author: Harsh J,
2013-01-26, 16:00
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Re: Difference between HDFS and local filesystem - HDFS - [mail # user]
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...The local filesystem has no sense of being 'distributed'. If you run a distributed mode of Hadoop over file:// (Local FS), then unless the file:// points being used itself is distributed (su...
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Author: Harsh J,
2013-01-26, 15:55
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[HDFS-3801] Provide a way to disable browsing of files from the web UI - HDFS - [issue]
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...A few times we've had requests from users who wish to disable browsing of the filesystem in the web UI completely, while keeping other servlet functionality enabled (such as fsck, etc.). Rig...
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http://issues.apache.org/jira/browse/HDFS-3801
Author: Harsh J,
2013-01-25, 09:05
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Re: HDFS File/Folder permission control with POSIX standard - HDFS - [mail # user]
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...Hi, Please give the HDFS Permissions Guide a read, it should answer your questions: http://hadoop.apache.org/docs/stable/hdfs_permissions_guide.html On Thu, Jan 24, 2013 at 9:17 ...
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Author: Harsh J,
2013-01-24, 15:52
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