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bulk upload for multy column families - HBase - [mail # user]
...Hi       I've read https://issues.apache.org/jira/browse/HBASE-1861 and read mail list's post regarding this issue.  My questions are: 1) Am I understand correct that thi...
   Author: Oleg Ruchovets, 2011-01-05, 16:29
[expand - 1 more] - Re: Bulk Load Sample Code - HBase - [mail # user]
...Hi , what do you mean Shouldn't be hard to hack it up?     Is it required changes of hbase code itself or there are some tricks that could be done without changing hbase code? &nbs...
   Author: Oleg Ruchovets, 2010-11-22, 17:42
[expand - 3 more] - Re: Hadoop/HBase hardware requirement - HBase - [mail # user]
...On Sun, Nov 21, 2010 at 10:39 PM, Krishna Sankar wrote:   Yes    M/R -- most of it -- it is a parsing stuff , result of m/r  5% - 10% stores to hbase      ...
   Author: Oleg Ruchovets, 2010-11-22, 11:17
Re: Stats to look out for while running mapreduce jobs with HBase - HBase - [mail # user]
...It is interesting point  I am entering to hbase using m/r  1) map phase consumes 100% cpu 2) reducer phase (hbase insertions) consumes ~ 15%  As I understand there are a lot o...
   Author: Oleg Ruchovets, 2010-11-12, 20:51
[expand - 3 more] - Re: scan performance improvement - HBase - [mail # user]
...Hi  I didn't change a block size ( it is still 64k). Running test configured with caching size of 3600. The test is still running , but I already see that there is NO performance improv...
   Author: Oleg Ruchovets, 2010-11-11, 19:03
Re: Best Way to Insert data into Hbase using Map Reduce - HBase - [mail # user]
...Hi , Do you use HTablePool? Changing the code to using HBasePool gives  me significat performance benefit.   HBaseConfiguration conf = new HBaseConfiguration(); HTablePool pool = n...
   Author: Oleg Ruchovets, 2010-11-09, 10:32
[expand - 1 more] - Re: Hbase insertion process cause to region server down. - HBase - [mail # user]
...As Jonathan said it is normal , I still need to do more tests to be sure that I hasn't lost the inserted data.     I paid attention that I got this exceptions during compaction &nb...
   Author: Oleg Ruchovets, 2010-11-09, 09:20
Re: Scanner call crashed regionserver under load - HBase - [mail # user]
...Hi ,    Can you please provide more details : what do you mean elease server-side resources?    I get the similar Issue and the only what I do is return HTable to the &nb...
   Author: Oleg Ruchovets, 2010-11-07, 18:43
[expand - 1 more] - Re: scan specific hbase region - HBase - [mail # user]
...Great ,  thank you.  On Wed, Oct 20, 2010 at 3:56 PM, Matthew LeMieux  wrote:   *  /***  *   * Apply the specified server-side filter when performing the S...
   Author: Oleg Ruchovets, 2010-10-20, 16:03
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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