I don't have a good explanation about this @Jesse any idea?
On Fri, Feb 14, 2014 at 4:50 PM, James Taylor <jamestay...@apache.org>wrote: > How did changing the package name cause so much performance regression? > > > On Fri, Feb 14, 2014 at 4:34 PM, Mujtaba Chohan (JIRA) <j...@apache.org > >wrote: > > > > > [ > > > https://issues.apache.org/jira/browse/PHOENIX-38?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13902207#comment-13902207 > ] > > > > Mujtaba Chohan commented on PHOENIX-38: > > --------------------------------------- > > > > Right now test cluster is on HBase 0.98 to do a perf. run for 4.0 branch. > > I've tested this about 2 days back and perf. come back inline with > > 2.2.3/master Github branch. I'll test again and will update this Jira. > > > > The problem seems related to classloader. When we moved from to Apache, > we > > renamed our packages from com.salesforce.hbase.index.* to > > org.apache.hadoop.hbase.index.*. This caused mutable index performance to > > regress. Changing package name fixes it. > > > > > Data load time with mutable index is 5X slower than Phoenix 2.2.2, > 2.2.3 > > > > ------------------------------------------------------------------------ > > > > > > Key: PHOENIX-38 > > > URL: https://issues.apache.org/jira/browse/PHOENIX-38 > > > Project: Phoenix > > > Issue Type: Bug > > > Affects Versions: 3.0.0 > > > Environment: HBase 0.94.14, r1543222, Hadoop 1.0.4, r1393290, 2 > > RS + 1 Master, 4GB per RS heap. > > > Reporter: Mujtaba Chohan > > > Assignee: Mujtaba Chohan > > > Fix For: 3.0.0 > > > > > > > > > Data load time for mutable index is 5X slower in master/3.0.0 compared > > to last released Phoenix version 2.2.2. Loading 1M rows takes 1451sec in > > master branch compared to 272sec in Phoenix 2.2.2/2.2.3. > > > Details: > > > > > > http://phoenix-bin.github.io/client/performance/phoenix-20140211090207.htm > > > To repro, you can use this script: > > > http://phoenix-bin.github.io/client/sample/idxtest.sh > > > > > > > > -- > > This message was sent by Atlassian JIRA > > (v6.1.5#6160) > > >
