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Re: High IO Usage in Datanodes due to Replication - HDFS - [mail # user]
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...The block scanner is a simple, independent operation of the DN that runs periodically and does work in small phases, to ensure that no blocks exist that aren't matching their checksums (its ...
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Author: Harsh J,
2013-05-01, 06:07
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Re: Warnings? - HDFS - [mail # user]
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...The env-var is auto-created by the "hadoop" script for you when you invoke "hadoop jar". You do not necessarily have to manually set it, nor do you have to compile the native libs if what yo...
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Author: Harsh J,
2013-04-29, 19:30
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Re: VersionInfoAnnotation Unknown for Hadoop/HBase - HDFS - [mail # user]
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...Well… Bingo! :) We don't write our projects for 1.5 JVMs, and especially not the GCJ (1.5 didn't have annotations either IIRC? We depend on that here). Try with a Sun/Oracle/OpenJDK 1....
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Author: Harsh J,
2013-04-29, 15:05
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Re: High IO Usage in Datanodes due to Replication - HDFS - [mail # user]
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...They seem to be transferring blocks between one another. This may most likely be due to under-replication and the NN UI will have numbers on work left to perform. The inter-DN transfer is co...
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Author: Harsh J,
2013-04-27, 18:33
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Re: Encounter 'error: possibly undefined macro: AC_PROG_LIBTOOL', when build Hadoop project in SUSE 11(x86_64) - HDFS - [mail # dev]
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...What version of autoconf are you using? On Tue, Apr 23, 2013 at 12:18 PM, sam liu wrote: Harsh J...
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Author: Harsh J,
2013-04-23, 07:57
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Re: Map‘s number with NLineInputFormat - HDFS - [mail # user]
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...Do you also ensure setting your desired input format class via the setInputFormat*(…) API? On Sat, Apr 20, 2013 at 6:48 AM, yypvsxf19870706 wrote: Harsh J...
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Author: Harsh J,
2013-04-20, 17:04
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Re: Uploading file to HDFS - HDFS - [mail # user]
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...Can you not simply do a fs -put from the location where the 2 TB file currently resides? HDFS should be able to consume it just fine, as the client chunks them into fixed size blocks. ...
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Author: Harsh J,
2013-04-19, 06:40
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Re: Run multiple HDFS instances - HDFS - [mail # user]
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...Yes you can but if you want the scripts to work, you should have them use a different PID directory (I think its called HADOOP_PID_DIR) every time you invoke them. I instead prefer to ...
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Author: Harsh J,
2013-04-18, 09:22
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Re: collision in the naming of '.snapshot' directory between hdfs snapshot and hbase snapshot - HDFS - [mail # dev]
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...Thanks Enis and Andrew; I think I missed the key point of conformance with other FSes' behavior. On Wed, Apr 17, 2013 at 11:29 PM, Enis Söztutar wrote: Harsh J...
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Author: Harsh J,
2013-04-18, 06:16
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Re: How to install the MRunit - HDFS - [mail # user]
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...Hi Geelong, +CCing the mrunit's own user lists. You can find examples of how to use MRUnit with your MR project here: https://cwiki.apache.org/confluence/display/MRUNIT/MRUnit+Tu...
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Author: Harsh J,
2013-04-18, 06:08
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