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Paint dashboards from HBase - HBase - [mail # user]
...Is there any tool to draw data from Hbase to a dashboard like Kibana?I have been looking for, but I didn't found a tool which fits directlywith HBase for that purpose. ...
   Author: Guillermo Ortiz, 2014-11-24, 10:04
Hbase with Phoenix, when? - HBase - [mail # user]
...I just read about Phoenix project. People from Phoenix talks very wellabout it, the question is,,, they give you SQL and it's suppose prettyfast.. any case where is it better to use just HBa...
   Author: Guillermo Ortiz, 2014-11-22, 15:47
[expand - 12 more] - Re: Scan vs Parallel scan. - HBase - [mail # user]
...I attach the code than I'm executing. I don't have accss to the generatorto HBase.In the last benchmark, simple scan takes about 4 times less than thisversion.With that version is available ...
   Author: Guillermo Ortiz, 2014-09-16, 10:52
How to know regions in a RegionServer? - HBase - [mail # user]
...How could I know with Java which Regions are served for each RegionServer?I want to execute an parallel scan, one thread for each regionServerbecause I think that's better than one for regio...
   Author: Guillermo Ortiz, 2014-08-28, 13:19
HFile Reader in 0.96 and 0.98 - HBase - [mail # user]
...Hi,I am trying to make compatible HBase 0.96 with 0.98 but, I have seen thatthe HFile.createReader has a new parameter "Configuration". I have beenlooking for another way to get an Hfile.Rea...
   Author: Guillermo Ortiz, 2014-07-24, 11:52
Coprocessor beacuse of TTL expired? - HBase - [mail # user]
...I want to use coprocessors (observers), Could I execute an coprocessorswhich executes my code when a row expired because the TTL has expired?will it be executed automatically? I mean,, witho...
   Author: Guillermo Ortiz, 2014-07-21, 12:25
[expand - 1 more] - Re: Store data in HBase with a MapReduce. - HBase - [mail # user]
...If I have to.... how me reducers I should have?? as many as number ofregions?? I have read about HRegionPartitioner, but it has somelimitations, and you have to be sure that any region isn't...
   Author: Guillermo Ortiz, 2014-06-27, 07:22
Re: Does compression ever improve performance? - HBase - [mail # user]
...I would like to see the times they got doing some scans or get with thebenchmark about compression and block code to figure out how much time tosave if your data are smaller but you have to ...
   Author: Guillermo Ortiz, 2014-06-14, 19:52
Delete rowKey in hexadecimal array bytes. - HBase - [mail # user]
...Hi,I'm generating key with SHA1, as it's a hex representation after generatingthe keys, I use Hex.decode to save memory since I could store them in halfspace.I have a MapReduce process which...
   Author: Guillermo Ortiz, 2014-06-09, 09:02
Parallel Scan with TableMapReduceUtil - HBase - [mail # user]
...I am processing data from HBase with a MapReduce. The input of my MapReduceis a "full" scan of a table.When I execute a full scan with TableMapReduceUtil, is this scan executedin parallel, s...
   Author: Guillermo Ortiz, 2014-05-15, 16:26
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Guillermo Ortiz
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