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Re: How are split files distributed across Region servers? - HBase - [mail # user]
...I'd change the max file size to 20GB. That'd give you 5000 regions for 100TB.________________________________ From: Jianshi Huang To: [EMAIL PROTECTED] Sent: Monday, August 18, 2014 12:...
   Author: lars hofhansl, 2014-08-19, 06:32
Re: May I ask why HBase choose to partition data by range? - HBase - [mail # dev]
...It does so by splitting the row keys into ranges. The application controls the row keys, hence it can choose as row key whatever it like. If you prefix the row key with the prefix of the has...
   Author: lars hofhansl, 2014-08-17, 04:46
Re: Hbase region count and RS count for 2TB+ - HBase - [mail # user]
...HBase initially tries to spread the load out to more region servers by splitting regions early when there aren't many (per table).As more regions are seen split size approaches the configure...
   Author: lars hofhansl, 2014-08-15, 18:13
Re: HBase client hangs after client-side OOM - HBase - [mail # user]
...Hey Ted,so this is a problem with the ZK client, it seems to not clean itself up correctly upon receiving an exception at the wrong moment.Which version of ZK are you using?From: Ted Tuttle ...
   Author: lars hofhansl, 2014-08-14, 00:36
Re: Re: Any fast way to random access hbase data? - HBase - [mail # user]
...Yikes. Don't do that. :)Even if your blocks are in the OS cache, upon each single Get HBase needs to re-allocate a new 64k block on the heap (including the index blocks).If you see no chance...
   Author: lars hofhansl, 2014-08-13, 22:51
Re: How to verify data from MySQL and HBase - HBase - [mail # user]
...Just in the interest of stating the obvious: Don't write a tool that scans through all the data in MySQL (or HBase) and then looks up each individual row (or even batches of rows) in the oth...
   Author: lars hofhansl, 2014-08-13, 05:14
[expand - 1 more] - Re: Large discrepancy in hdfs hbase rootdir size after copytable operation. - HBase - [mail # user]
...VerifyReplication is something you could use. It's not replication specific, just named that way because it was initially conceived as a tool to verify that replication is working correctly....
   Author: lars hofhansl, 2014-08-10, 01:11
[ANNOUNCE] HBase 0.94.22 is available for download - HBase - [mail # dev]
...The HBase Team is pleased to announce the immediate release of HBase 0.94.22.Download it from your favorite Apache mirror [1].This release has also been pushed to Apache's maven repository.A...
   Author: lars hofhansl, 2014-08-09, 04:48
Re: [VOTE] The 1st HBase 0.98.5 release candidate (RC0) is available, vote closing 8/11/2014 - HBase - [mail # dev]
...+1- installed -hadoop2 bin tar ball- checked contents, documentation, checksums, etc- inserted some data, checked with raw-scans, flushed, compacted, inserted again, checked again. All good....
   Author: lars hofhansl, 2014-08-08, 18:37
[expand - 1 more] - Re: [VOTE] The 1st hbase 0.94.22 release candidate is available for download - HBase - [mail # dev]
...Thanks Nick (and Andrew, and JM). Will release tomorrow.Will also set time aside tomorrow to test 0.98.5.________________________________ From: Nick Dimiduk To: hbase-dev  Cc: lars...
   Author: lars hofhansl, 2014-08-08, 04:43
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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