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[expand - 2 more] - Re: java.io.IOException: Type mismatch in value from map: expected org.apache.hadoop.hbase.client.Put, recieved org.apache.hadoop.io.BytesWritable - HBase - [mail # user]
...Exactly I had the same though as Ashwanth too, that is why I asked whether @Override annotation is being used or not.  Regards, Shahab   On Thu, Aug 29, 2013 at 1:09 PM, Ashwanth K...
   Author: Shahab Yunus, 2013-08-29, 17:31
Re: Hbase RowKey design schema - HBase - [mail # user]
...What advantage you will be gaining by compressing? Less space? But then it will add compression/decompression performance overhead. A trade-off but a especially significant as space is cheap...
   Author: Shahab Yunus, 2013-08-29, 14:18
Re: how to export data from hbase to mysql? - HBase - [mail # user]
...Taking what Ravi Kiran mentioned a level higher, you can also use Pig. It has DBStorage. Very easy to rad from HBase and dump to MySQL if your data porting does not require complex transform...
   Author: Shahab Yunus, 2013-08-28, 13:42
Re: one column family but lots of tables - HBase - [mail # user]
..."*do i understand it correctly that when i create lots of tables, but they all use the same column family (by name), that i am just using one column **family *and i am OK with respect to lim...
   Author: Shahab Yunus, 2013-08-22, 16:01
[expand - 2 more] - Re: Java Null Pointer Exception! - HBase - [mail # user]
...Theoretically it is possible but it goes against the design of the HBase and M/R architecture. And when I say 'goes against', it does not mean that it is impossible but it means that you can...
   Author: Shahab Yunus, 2013-08-19, 20:03
Re: How to push modified hbase-site.xml to RS using Cloudera Manager? - HBase - [mail # user]
...As for your second question, I think, the hbase-site.xml file with default options is placed in the hbase jar files/libs on RS. Someone can correct me if I am wrong.  Regards, Shahab &n...
   Author: Shahab Yunus, 2013-08-09, 01:32
Re: ETL like merge databases to HBase - HBase - [mail # user]
...Though it is better as Ted suggested to discuss this in Sqoop mailing list (as Sqoop 2 supposed to be more feature rich) but just to get this out, Sqoop does support incremental imports if y...
   Author: Shahab Yunus, 2013-08-02, 03:07
[expand - 1 more] - Re: How to get row key from row value? - HBase - [mail # user]
...Yup, as far as I understand. It is application specific how sophisticated and extensive we want this to be. Unless I am off-base here (Stack or other experts can correct me?)  Regards, ...
   Author: Shahab Yunus, 2013-07-31, 14:08
[expand - 1 more] - Re: How to join 2 tables using hadoop? - HBase - [mail # user]
...These are two separate things. first is to read data from Json format and then joining it. we can separate those. You first need to read the row using JSon storage API for Pig then yes, you ...
   Author: Shahab Yunus, 2013-07-20, 22:36
Re: Using separator/delimiter in HBase rowkey? - HBase - [mail # user]
...Not saying this is a solution or better in anyway but just more food for thought. Is there any maximum size limit for UserIds? You can pad also for Users Ids of smaller length. You are using...
   Author: Shahab Yunus, 2013-07-08, 15:17
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NEW: Monitor These Apps!
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