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Re: Hadoop noob question - Hadoop - [mail # user]
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...absolutely rite Mohammad On Sat, May 11, 2013 at 9:33 PM, Mohammad Tariq wrote: Nitin Pawar...
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Author: Nitin Pawar,
2013-05-11, 16:05
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Re: Hadoop noob question - Hadoop - [mail # user]
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...NN would still be in picture because it will be writing a lot of meta data for each individual file. so you will need a NN capable enough which can store the metadata for your entire dataset...
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Author: Nitin Pawar,
2013-05-11, 15:50
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Re: Set reducer capacity for a specific M/R job - Hadoop - [mail # user]
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...The config you are setting is for job only But if you want to reduce the slota on tasktrackers then you will need to edit tasktracker conf and restart tasktracker On Apr 30, 2013 3:30 ...
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Author: Nitin Pawar,
2013-04-30, 10:07
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Re: Query on Cost estimates on Hadoop and Java - Hadoop - [mail # user]
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...anything you use in opensoure is mostly free. community driven hadoop is free (which you can download from hadoop.apache.org) sun java 1.6 is also free to download from Oracle download...
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Author: Nitin Pawar,
2013-04-24, 12:26
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Re: AW: How to process only input files containing 100% valid rows - Hadoop - [mail # user]
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...Reject the entire file even if a single record is invalid? There has to be a eeal serious reason to take this approach If not in any case to check the file has all valid lines you are openin...
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Author: Nitin Pawar,
2013-04-19, 10:16
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Re: Newbie question - How to start working on an issue? - Hadoop - [mail # dev]
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...Mohammad, hadoop 0.20.2 is very old. You may want to try 1.0.4 first before even touching 2.x forget 3.x for that matter. On Thu, Apr 11, 2013 at 12:32 AM, Mohammad Mustaqeem &...
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Author: Nitin Pawar,
2013-04-10, 19:42
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Re: Best format to use - Hadoop - [mail # user]
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...not sure about pig or impala but in hive you got this https://cwiki.apache.org/Hive/avroserde-working-with-avro-from-hive.html On Wed, Apr 10, 2013 at 12:26 AM, Mark ...
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Author: Nitin Pawar,
2013-04-09, 18:59
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Re: How to tell my Hadoop cluster to read data from an external server - Hadoop - [mail # user]
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...you are looking at a two step workflow here first unit of your workflow will download the file from external server and write it to DFS and return the file path second unit of your wor...
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Author: Nitin Pawar,
2013-03-26, 09:42
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Re: store file gives exception - Hadoop - [mail # user]
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...in hadoop you don't have to worry about data locality. Hadoop job tracker will by default try to schedule the job where the data is located in case it has enough compute capacity. Also note ...
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Author: Nitin Pawar,
2013-03-06, 12:35
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Re: Issue: Namenode is in safe mode - Hadoop - [mail # user]
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...what is your replication factor? when you removed node A as datanode .. did you first mark it for retirement? if you just removed it from service then the blocks from that datanode are missi...
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Author: Nitin Pawar,
2013-03-06, 10:00
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