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From "Terry P." <texpi...@gmail.com>
Subject Re: Upgrading from 1.4.2 to 1.4.5
Date Mon, 04 Aug 2014 18:48:00 GMT
Thanks Eric, much appreciated.


On Fri, Aug 1, 2014 at 2:56 PM, Eric Newton <eric.newton@gmail.com> wrote:

> Yes, 1.4.5 should be completely compatible with 1.4.2.  You can use your
> 1.4.2 configuration files.
>
> -Eric
>
>
>
> On Fri, Aug 1, 2014 at 3:11 PM, Terry P. <texpilot@gmail.com> 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
>>
>
>

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