Another thing also, I don't know if 0.92 handled compression since I used it for only few weeks, but if you used Snappy or other codecs not coming with the default release, you might want to give it a close look before migrating since it might not be as straight forward as the HFile upgrade.
JM 2014-02-04 Stack <st...@duboce.net>: > You should go to hadoop2 for sure. > > I did this on a small cluster: > > Installed a 0.92.2 on a hadoop 1.2.1. > Loaded a bit of data, 20 odd regions or so. > Shutdown hbase. > Installed hbase 0.98.0-hadoop1 RC0 > Followed the upgrade instructions in the manual for 0.96 ensuring no > hfilev1 (as Matteo) > Started hbase-0.98.0. Looked fine. > Loaded more data. > Shut it all down. > Upgrade hadoop from 1 to 2 (I had some fun because hadoop1 and hadoop2 > configs had data and name dirs in different locations) > Installed hbase-0.98.0-hadoop2 everywhere > Started it up. > Started loading more data. > > Seems fine looking in logs. > > You can use my fedex account sending the first born Otis. Will hang on > wall beside all the others. > > St.Ack > > > > On Sun, Feb 2, 2014 at 5:42 AM, Otis Gospodnetic < > otis.gospodne...@gmail.com > > wrote: > > > Hi, > > > > My pinky is much less demanding than my first born...I suggest you > rethink > > your choice... > > > > If we have to upgrade to Hadoop 2, or if that is recommended, then yes, > > we'd upgrade to Hadoop 2. > > > > Otis > > -- > > Performance Monitoring * Log Analytics * Search Analytics > > Solr & Elasticsearch Support * http://sematext.com/ > > > > > > On Sun, Feb 2, 2014 at 1:14 AM, Stack <st...@duboce.net> wrote: > > > > > What Kevin O' Dell said. > > > > > > Let me try incorporate as part of 0.98 testing start of next week > (You'll > > > upgrade your hadoop too Otis from 1->2?). > > > > > > St.Ack > > > > > > > > > On Sat, Feb 1, 2014 at 9:52 AM, Kevin O'dell <kevin.od...@cloudera.com > > > >wrote: > > > > > > > Just your first born > > > > > > > > > > > > On Fri, Jan 31, 2014 at 2:35 PM, Otis Gospodnetic < > > > > otis.gospodne...@gmail.com> wrote: > > > > > > > > > You've got that much time!? I mean, sure, sure, but how much is > that > > > > going > > > > > to cost me? A pinky? > > > > > > > > > > Otis > > > > > -- > > > > > Performance Monitoring * Log Analytics * Search Analytics > > > > > Solr & Elasticsearch Support * http://sematext.com/ > > > > > > > > > > > > > > > On Fri, Jan 31, 2014 at 2:32 PM, Stack <st...@duboce.net> wrote: > > > > > > > > > > > Want me to try it for you Otis w/ artificial data? (Usual > > > > disclaimers...) > > > > > > St.Ack > > > > > > > > > > > > > > > > > > On Fri, Jan 31, 2014 at 6:35 AM, Otis Gospodnetic < > > > > > > otis.gospodne...@gmail.com> wrote: > > > > > > > > > > > > > Hi, > > > > > > > > > > > > > > It looks like going from 0.96 to 0.98 should be relatively > easy, > > > > which > > > > > is > > > > > > > great. > > > > > > > > > > > > > > We are on 0.92 and I'm wondering if it's possible do the 0.92 > ==> > > > > 0.96 > > > > > > jump > > > > > > > without making two jumps: 0.92 ==> 0.94 and then 0.94. ==> > 0.96 ? > > > > > > > > > > > > > > Thanks, > > > > > > > Otis > > > > > > > -- > > > > > > > Performance Monitoring * Log Analytics * Search Analytics > > > > > > > Solr & Elasticsearch Support * http://sematext.com/ > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > Kevin O'Dell > > > > Systems Engineer, Cloudera > > > > > > > > > >
