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[HBASE-3869] RegionServer metrics - add read and write byte-transfer statistics - HBase - [issue]
...It would be beneficial to have the "data transfer weight" of reads and writes per region server.HBASE-3647 split out the read/write metric requests from the uber-"request" metric - which is ...
http://issues.apache.org/jira/browse/HBASE-3869    Author: Doug Meil, 2015-01-23, 19:29
[HBASE-4147] StoreFile query usage report - HBase - [issue]
...Detailed information on what HBase is doing in terms of reads is hard to come by.What would be useful is to have a periodic StoreFile query report.  Specifically, this could run on a co...
http://issues.apache.org/jira/browse/HBASE-4147    Author: Doug Meil, 2014-08-19, 22:57
[HBASE-4089] blockCache contents report - HBase - [issue]
...Summarized block-cache report for a RegionServer would be helpful.  For example ...table1  cf1   100 blocks, totalBytes=yyyyy, averageTimeInCache=XXXX hours  cf...
http://issues.apache.org/jira/browse/HBASE-4089    Author: Doug Meil, 2014-06-18, 08:35
[HBASE-4200] blockCache summary - web UI - HBase - [issue]
...Web UI for block cache summary report.This will most likely be a new web-page linked from the RegionServer detail page....
http://issues.apache.org/jira/browse/HBASE-4200    Author: Doug Meil, 2014-06-10, 00:56
[HBASE-4199] blockCache summary - backend - HBase - [issue]
...This is the backend work for the blockCache summary.  Change to BlockCache interface, Summarization in LruBlockCache, BlockCacheSummaryEntry, addition to HRegionInterface, and HRegionSe...
http://issues.apache.org/jira/browse/HBASE-4199    Author: Doug Meil, 2014-06-10, 00:50
[HBASE-1990] Add methods accepting strings for family/qualifier in client - HBase - [issue]
...Consider the following client code... byte b[] = result.getValue( Bytes.toBytes("family"), Bytes.toBytes("qualifier") );        put.add( Bytes.toBytes("family"), Byt...
http://issues.apache.org/jira/browse/HBASE-1990    Author: Doug Meil, 2014-05-12, 01:40
Re: How to generate a large dataset quickly. - HBase - [mail # user]
... re:  "So, I execute 3.2Mill of Put¹s in HBase."There will be 3.2 million Puts, but they won¹t be sent over 1 at a time ifautoFlush on Htable is false.  By default, htable sho...
   Author: Doug Meil, 2014-04-14, 20:46
Re: Scan vs map-reduce - HBase - [mail # user]
...re:  "my first version is using 20,000 Get²Just throwing this out there, but have you looked at multi-get?  Multi-getwill group the gets by RegionServer internally.You are doing a ...
   Author: Doug Meil, 2014-04-14, 19:39
[expand - 1 more] - Re: HFile size writeup in HBase Blog - HBase - [mail # user]
...Thanks Ted!I can add that to the to-do list.  Also have plans for read/writeperformance numbers too in a follow-up blog.On 4/11/14, 6:00 PM, "Ted Yu"  wrote: ...
   Author: Doug Meil, 2014-04-12, 12:09
Re: How to get Last access time of a record - HBase - [mail # user]
...Hi there,On top of what Vladimir already saidŠre:  "Table1: 80 m records say Author, Table2 : 5k records say Category"Just 80 million records?  Hbase tends to be overkill for relat...
   Author: Doug Meil, 2014-02-26, 21:27
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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