+0.5 :) There are some lingering bugs that I am running into here and there, but the good news is that hbck -fix has fixed almost all of them.
Let's get this release out the door and start cranking on 0.90.1 :) -Todd On Tue, Jan 18, 2011 at 5:20 PM, Gary Helmling <[email protected]> wrote: > Sorry to be a bit late. > > Minor problem in the generated docs. The generated docs/index.html page > contains broken HTML for the link to the bigtable paper, but that's > extremely minor. It's a 1 char fix ("<a hef" -> "<a href"): > > --- src/site/xdoc/index.xml (revision 1060545) > +++ src/site/xdoc/index.xml (working copy) > @@ -29,7 +29,7 @@ > <div style="float: right;"> > <img src="http://hbase.apache.org/images/hadoop-logo.jpg"; > style="border-style;none" /> > </div> > -HBase is an open-source, distributed, versioned, column-oriented store > modeled after Google' <a > hef="http://labs.google.com/papers/bigtable.html";>Bigtable: > A Distributed Storage System for Structured</a> by Chang et al. Just as > Bigtable leverages the distributed data storage provided by the Google File > System, HBase provides Bigtable-like capabilities on top of Hadoop. > +HBase is an open-source, distributed, versioned, column-oriented store > modeled after Google' <a > href="http://labs.google.com/papers/bigtable.html";>Bigtable: > A Distributed Storage System for Structured</a> by Chang et al. Just as > Bigtable leverages the distributed data storage provided by the Google File > System, HBase provides Bigtable-like capabilities on top of Hadoop. > HBase includes: > <ul> > > Obviously not critical, and other doc links look good. Tests look good. > Ran through some YCSB tests on EC2. > > +1 on release. > > --gh > > > On Tue, Jan 18, 2011 at 11:24 AM, Jean-Daniel Cryans <[email protected] > >wrote: > > > +1, ran the tests, checked out the docs, gave it a ride. > > > > J-D > > > > On Fri, Jan 7, 2011 at 5:03 PM, Stack <[email protected]> wrote: > > > The fourth hbase 0.90.0 release candidate is available for download: > > > > > > http://people.apache.org/~stack/hbase-0.90.0-candidate-3/< > http://people.apache.org/%7Estack/hbase-0.90.0-candidate-3/> > > > > > > This is going to be the one! > > > > > > Should we release this candidate as hbase 0.90.0? Take it for a spin. > > > Check out the doc., etc. Vote +1/-1 by next Friday, the 14th of > January. > > > > > > HBase 0.90.0 is the major HBase release that follows 0.20.0 and the > > > fruit of the 0.89.x development release series we've been running of > > > late. > > > > > > Over 1k issues have been closed since 0.20.0. Release notes are > > > available here: http://su.pr/8LbgvK. > > > > > > HBase 0.90.0 runs on Hadoop 0.20.x. It does not currently run on > > > Hadoop 0.21.0 nor on Hadoop TRUNK. HBase will lose data unless it is > > > running on an Hadoop HDFS 0.20.x that has a durable sync. Currently > > > only the branch-0.20-append branch [1] has this attribute (See > > > CHANGES.txt [3] in branch-0.20-append to see the list of patches > > > involved adding an append). No official releases have been made from > > > this branch as yet so you will have to build your own Hadoop from the > > > tip of this branch, OR install Cloudera's CDH3 [2] (Its currently in > > > beta). CDH3b2 or CDHb3 have the 0.20-append patches needed to add a > > > durable sync. If using CDH, be sure to replace the hadoop jars that > > > are bundled with HBase with those from your CDH distribution. > > > > > > There is no migration necessary. Your data written with HBase 0.20.x > > > (or with HBase 0.89.x) is readable by HBase 0.90.0. A shutdown and > > > restart after putting in place the new HBase should be all thats > > > involved. That said, once done, there is no going back to 0.20.x once > > > the transition has been made. HBase 0.90.0 and HBase 0.89.x write > > > region names differently in the filesystem. Rolling restart from > > > 0.20.x or 0.89.x to 0.90.0RC1 will not work. > > > > > > Yours, > > > The HBasistas > > > P.S. For why the version 0.90 and whats new in HBase 0.90, see slides > > > 4-10 in this deck [4] > > > > > > 1. > > http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-append > > > 2. http://archive.cloudera.com/docs/ > > > 3. > > > http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-append/CHANGES.txt > > > 4. http://hbaseblog.com/2010/07/04/hug11-hbase-0-90-preview-wrap-up/ > > > > > > -- Todd Lipcon Software Engineer, Cloudera
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