Times are in milliseconds. On Tue, Dec 12, 2017 at 5:50 PM, Andrew Purtell <apurt...@apache.org> wrote:
> Here are results from a YCSB comparison between 1.2.6 and 1.4.0 RC1: > > https://bigdatasf.s3.amazonaws.com/assets/ycsb_1.2.6_to_1.4.0RC1.png > https://bigdatasf.s3.amazonaws.com/assets/ycsb_1.2.6_to_1.4.0RC1.xlsx > > [image: Inline image 1] > > They are pretty closely matched but generally 1.4.0 RC1 shows superior > results. > > [R] and [W] mean different things depending on YCSB workload. They will be > obvious except for Workload F, where [R] is READ and [W] is UPDATE. I > didn't include numbers for READ-MODIFY-WRITE. > > Cluster: 1 master, 5 regionservers, 1 client > AWS Instance Type: c3.4xlarge > Hadoop: 2.7.4 > OS: Amazon Linux AMI 2017.09, kernel 4.4.51-40.58.amzn1.x86_64 > > > On Fri, Dec 8, 2017 at 5:50 PM, Andrew Purtell <apurt...@apache.org> > wrote: > >> The second HBase 1.4.0 release candidate (RC1) is available for download >> at https://dist.apache.org/repos/dist/dev/hbase/hbase-1.4.0RC1/ and >> Maven artifacts are available in the temporary repository >> https://repository.apache.org/content/repositories/orgapachehbase-1186/ . >> >> The git tag corresponding to the candidate is '1.4.0RC1' (10b9b9fae6). >> >> A detailed source and binary compatibility report for this release is >> available for your review at https://dist.apache.org/repos/ >> dist/dev/hbase/hbase-1.4.0RC1/hbase-1.3.1-1.4.0RC1_compatibi >> lity_report.html . All reported compatibility issues should comply with >> policy but please review them carefully. >> >> A list of the 660 issues resolved in this release can be found at >> https://s.apache.org/OErT . >> >> The changes since RC0 are: >> >> * [HBASE-19180] - Remove unused imports from AlwaysPasses >> * [HBASE-19373] - Fix Checkstyle error in hbase-annotations >> * [HBASE-19435] - Reopen Files for ClosedChannelException in >> BucketCache >> * [HBASE-19465] - Required httpcore and httpclient jars not included >> in binary distribution >> * [HBASE-19467] - rsgroups shell commands don't properly display >> elapsed time >> >> Please try out the candidate and vote +1/0/-1. >> >> This vote will be open for at least 72 hours. Unless objection I will try >> to close it Monday December 18, 2017 if we have sufficient votes. >> >> Prior to making this announcement I made the following preflight checks >> to 1.4.0RC0 (3d571827cb): >> >> RAT check passes (7u80) >> Unit test suite passes (8u131) >> LTT load 1M rows with 100% verification and 20% updates (8u131) >> PE randomWrite, randomRead, scanRange100 (8u131) >> 100M rows ITBLL (8u131) >> >> and the following preflight checks to 1.4.0RC1 (10b9b9fae6): >> >> RAT check passes (7u80) >> Unit test suite passes (8u131) >> >> Between now and when I want to close the vote I'll write up human >> readable release notes for the release announcement as promised. >> >> I also have agreed to run a scale ITBLL test, a performance comparison >> with 1.2 using YCSB, a performance comparison with 1.2 using PE, and an >> analysis of code and allocation hot spot changes from 1.2, all of which I >> will publish when available and factor in to my vote. >> >> -- >> Best regards, >> Andrew >> >> > > > -- > Best regards, > Andrew > > Words like orphans lost among the crosstalk, meaning torn from truth's > decrepit hands > - A23, Crosstalk > -- Best regards, Andrew Words like orphans lost among the crosstalk, meaning torn from truth's decrepit hands - A23, Crosstalk
