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Re: Building HBase RPM - HBase - [mail # user]
...Do you feel up to creating an RPM spec for 0.96 and later?If so, I don't think anybody would be opposed to committing into dev-support or something.-- Lars----- Original Message -----From: I...
   Author: lars hofhansl, 2014-02-04, 23:52
[expand - 1 more] - Re: Binary API compatibility is not a requirement for any 0.98 release candidate - HBase - [mail # dev]
...For what's it worth, I agree with both of you. ;)- A binary compatibility issue should not sink a release.- If we want to clean up an API that would lead to an unavoidable binary compatibili...
   Author: lars hofhansl, 2014-02-04, 23:52
[expand - 5 more] - Re: Slow Get Performance (or how many disk I/O does it take for one non-cached read?) - HBase - [mail # user]
...Hmm... Interesting. I expected there to be a better improvement from smaller blocks.So it's really just IOPS (and block size does not matter), in which case, yes, HBase checksum will save yo...
   Author: lars hofhansl, 2014-02-02, 06:34
Re: Upgrade to Hadoop 2.2.0 and HBase - HBase - [mail # user]
...How is 0.94.11 not running well with Hadoop 2?We are using that setup in production.For Hadoop 2.2.x you have recompile 0.94 with a new version of Protobuf (2.5), other than that it should w...
   Author: lars hofhansl, 2014-02-01, 05:13
[expand - 2 more] - Re: StoreScanner created for memstore flush should be bothered about updated readers? - HBase - [mail # dev]
...So now the memstore flush includes data from other persisted store files? That is bad.----- Original Message -----From: ramkrishna vasudevan To: "[EMAIL PROTECTED]" ; lars hofhansl Cc: Sent:...
   Author: lars hofhansl, 2014-01-31, 19:16
[expand - 2 more] - Re: larger HFile block size for very wide row? - HBase - [mail # user]
...M/R + timeRange filter will be unnecessarily slow and heavy on the cluster. If you can, lead the row key with the time, that way you can very quickly find any changes within an interval.(but...
   Author: lars hofhansl, 2014-01-29, 22:59
Re: Tagging 0.98.0 RC1 tomorrow - HBase - [mail # dev]
...HBASE-10436 was broken for all of 0.96. I do not think that should be blocker for 0.98.It can fixed in a future point release. My $0.02.________________________________ From: Andrew Pur...
   Author: lars hofhansl, 2014-01-29, 20:52
[expand - 2 more] - Re: Sporadic memstore slowness for Read Heavy workloads - HBase - [mail # dev]
...I see you figured it out. I should read all email before I sent my last reply.________________________________ From: Varun Sharma To: "[EMAIL PROTECTED]"  Cc: "[EMAIL PROTECTED]" ;...
   Author: lars hofhansl, 2014-01-28, 19:59
Re: Hbase tuning for heavy write cluster - HBase - [mail # user]
... First, you want the RegionServer to use the available memory for caching, etc. Every byte of unused RAM is wasted.I would make the heap slightly smaller than 32GB, so that the JVM can still...
   Author: lars hofhansl, 2014-01-26, 17:33
[expand - 5 more] - Re: [VOTE] The 1st HBase 0.98.0 release candidate is available for download - HBase - [mail # dev]
...I think this is expected. It's the first time I tested this in 0.96 or later.Still +1 here.I'll do the same test in 0.96 next week. I'd expect it'll be similar to 0.98.With "pure" scan perfo...
   Author: lars hofhansl, 2014-01-26, 05:49
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