Don't forget to backup!
On Fri, Aug 1, 2014 at 3:11 PM, Terry P. <[email protected]> wrote: > Greetings all, > Accumulo 1.4.2 has been serving us decently well now that the ISP our > virtual machines reside on has finally stabilized for the most part. I say > "decently well" because one of the biggest issues we saw was when Zookeeper > connectivity was lost -- things went south pretty quickly whenever that > happened, and I now believe we have been hitting some of the Zookeeper > related bugs that exist in 1.4.2. > > We're now tasked with doing whatever we can to insulate against stability > issues on the part of our ISP, and I see that going from 1.4.2 to 1.4.5 will > fix 2 Critical and 3 Major bugs related to Zookeeper connectivity. > > I've downloaded 1.4.5 and have gone through the tarfile. I've read both the > CHANGES and README files, but neither mention "upgrading", nor does the User > Manual PDF dated March 31, 2014. > > I assume that what I need to do is: > > 1. shutdown all of Accumulo > 2. move the accumulo directory to accumulo-1.4.2 or similar > 3. lay down the new 1.4.5 accumulo directory > 4. apply edits for Hadoop location, Java, memory sizing, etc. to > accumulo-env.sh and accumulo-site.xml specific to your installation > 5. start Accumulo. > > I'd like to be sure there is nothing else I need to do before I embark on > updating our first environment. > > I see accumulo-env.sh has some changes, but they look like quick and easy > edits to define the paths for Hadoop and Java etc., so no worries there. > I'll check accumulo-site.xml more later, but want to get this in front of > the experts first to see what else I need to consider for an upgrade. > > Many thanks in advance to all for your insights, > Terry
