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Re: blockcache 101 - HBase - [mail # dev]
...On Wed, Apr 9, 2014 at 10:24 AM, Nick Dimiduk  wrote:Was referring to these graphs:http://www.n10k.com/assets/perfeval_blockcache_v2.pdfAnd yep, I think straight lines between the point...
   Author: Todd Lipcon, 2014-04-15, 05:13
Re: HBase region server failure issues - HBase - [mail # dev]
...On Mon, Apr 14, 2014 at 6:32 PM, Vladimir Rodionovwrote:I'd actually disagree. 100 is probably significantly faster than 1, giventhat most machines have 12 spindles. So, yes, you'd be multip...
   Author: Todd Lipcon, 2014-04-15, 03:22
[HBASE-4012] Further optimize byte comparison methods - HBase - [issue]
...Guava uses some clever tricks with sun.misc.Unsafe to compare byte arrays about 100% faster than the naive byte-by-byte implementation: http://guava-libraries.googlecode.com/svn/trunk/guava/...
http://issues.apache.org/jira/browse/HBASE-4012    Author: Todd Lipcon, 2014-03-17, 21:14
[HBASE-3484] Replace memstore's ConcurrentSkipListMap with our own implementation - HBase - [issue]
...By copy-pasting ConcurrentSkipListMap into HBase we can make two improvements to it for our use case in MemStore: add an iterator.replace() method which should allow us to do upsert much mor...
http://issues.apache.org/jira/browse/HBASE-3484    Author: Todd Lipcon, 2014-03-10, 15:35
Re: DISCUSS: We need a mascot, a totem HBASE-4920 - HBase - [mail # dev]
...On Tue, Mar 4, 2014 at 11:44 AM, Stack  wrote:That's nonsense! Orcas are not fish!Nonsensically-ToddTodd LipconSoftware Engineer, Cloudera ...
   Author: Todd Lipcon, 2014-03-04, 20:01
Re: DISCUSSION: 1.0.0 - HBase - [mail # dev]
...On Wed, Feb 12, 2014 at 12:46 PM, Gary Helmling  wrote:I've always considered coprocessors to be the "kernel modules" of the HBaseworld. They give you way more power than user-space pro...
   Author: Todd Lipcon, 2014-02-12, 21:23
[HBASE-4643] Consider reverting HBASE-451 (change HRI to remove HTD) in 0.92 - HBase - [issue]
...I've been chatting with some folks recently about this thought: it seems like, if you enumerate the larger changes in 0.92, this is probably the one that is the most destabilizing that hasn'...
http://issues.apache.org/jira/browse/HBASE-4643    Author: Todd Lipcon, 2014-01-27, 17:52
[HBASE-4389] Address lots of issues with migration from 90 to trunk - HBase - [issue]
...Looking over the migration code that removes HTD from HRI, there are lots of issues. This JIRA is to redo this code in a way that will be less bug prone, and also future proof....
http://issues.apache.org/jira/browse/HBASE-4389    Author: Todd Lipcon, 2014-01-27, 17:39
[HBASE-2647] TestLogRolling flaky in trunk - HBase - [issue]
...Saw this failure on my Hudson:org.apache.hadoop.hbase.client.NoServerForRegionException: Timed out trying to locate root region because: Failed setting up proxy to /192.168.42.22:44708 after...
http://issues.apache.org/jira/browse/HBASE-2647    Author: Todd Lipcon, 2014-01-26, 22:16
[HBASE-3666] TestScannerTimeout fails occasionally - HBase - [issue]
...LeaseExceptionIf I loop TestScannerTimeout, it eventually fails with:org.apache.hadoop.hbase.regionserver.LeaseException: org.apache.hadoop.hbase.regionserver.LeaseException: lease '-4526340...
http://issues.apache.org/jira/browse/HBASE-3666    Author: Todd Lipcon, 2013-12-30, 03:38
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