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Re: Can add a regular check in DataNode on free disk space? - Hadoop - [mail # user]
...Hi Sam,Monitoring disks and other server related activities can be easily handledby NagiosOn Mon, Oct 20, 2014 at 11:58 AM, Dhiraj Kamble wrote:Nitin Pawar ...
   Author: Nitin Pawar, 2014-10-20, 06:32
[expand - 1 more] - Re: Hadoop configuration for cluster machines with different memory capacity / # of cores etc. - Hadoop - [mail # user]
...you can have different values on different nodesOn Thu, Oct 9, 2014 at 4:15 AM, Manoj Samel wrote:Nitin Pawar ...
   Author: Nitin Pawar, 2014-10-09, 04:42
Re: Jobtracker could only be replicated to 0 nodes instead of 1 - Hadoop - [mail # user]
...you have set replication factor to 1, I am assuming its running a singlenode cluster.i would recommend you to check the datanode logs to see if it was able toconnect with namenode successful...
   Author: Nitin Pawar, 2014-08-15, 08:35
Re: Ideal number of mappers and reducers to increase performance - Hadoop - [mail # user]
...the setting mapred.tasktracker.*  related settings are related to maximumnumber of maps or reducers a tasktracker can run. This can change acrossmachines if you have multiple nodes then...
   Author: Nitin Pawar, 2014-08-01, 10:44
Re: Performance on singlenode and multinode hadoop - Hadoop - [mail # user]
...what kind of jobs your tasks will be doing?are they CPU intensive or only memory intensive ?On Thu, Jul 31, 2014 at 6:28 PM, Sindhu Hosamane  wrote:Nitin Pawar ...
   Author: Nitin Pawar, 2014-07-31, 13:12
[expand - 1 more] - Re: Hadoop Realtime Queries - Hadoop - [mail # user]
...I want quick response for SQL queries .how quick is quick for you ?what's the data size?what kind of queries you want to run?what is the frequency of running the query on same dataset again ...
   Author: Nitin Pawar, 2014-07-31, 12:55
Re: Which replication value will be used - Hadoop - [mail # user]
...first it will check if you have set replication factor in your write call.. if yes .. it will be respected.if there is no value for replication in write process, it falls back todefault valu...
   Author: Nitin Pawar, 2014-07-29, 08:04
Re: Progress indicator should not be negative. - Hadoop - [mail # user]
...Smita,Any chance you can print the value of containers waiting and total beforethe exception.Fromhttp://svn.apache.org/viewvc/hadoop/common/branches/branch-2.4.1/hadoop-yarn-project/hadoop-y...
   Author: Nitin Pawar, 2014-07-21, 09:58
Re: Need some help with Hadoop QA report - Hadoop - [mail # dev]
...Answers in red:1) It states "-1 core tests ".  Does it mean one core test failedafter the proposed patch?  If yes, where can I find some info about whatexactly failed?If I follow "...
   Author: Nitin Pawar, 2014-07-17, 11:50
Re: Sqoop Import Problem ZipException - Hadoop - [mail # dev]
...Can you provide error stack trace?On Fri, Jul 11, 2014 at 8:43 PM, Vikas Jadhav wrote:Nitin Pawar ...
   Author: Nitin Pawar, 2014-07-11, 15:14
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB