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Accumulo, mail # user - Accumulo init over existing instance


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Terry P. 2013-10-08, 21:32
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Jared Winick 2013-10-08, 21:58
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John Vines 2013-10-08, 22:07
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Re: Accumulo init over existing instance
Keith Turner 2013-10-08, 22:14
On Tue, Oct 8, 2013 at 6:07 PM, John Vines <[EMAIL PROTECTED]> wrote:

> Like Jared said, wiping /accumulo out of hdfs is all you need to do.
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> But Accumulo still uses IP addresses internally, so I'm not quite certain
> you're going to achieve what you set out for.
>

Until 1.6.0 w/ ACCUMULO-1585
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> On Tue, Oct 8, 2013 at 5:32 PM, Terry P. <[EMAIL PROTECTED]> wrote:
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>> So reverse DNS wasn't working when I deployed my new cluster, thus all my
>> Tablet Servers were showing up in the Monitor as IP addresses (even though
>> all configuration files had hostnames only).  Lesson learned: trust, but
>> verify (and ensure your hardened base servers still have nslookup and/or
>> dig on them).
>>
>> Now that DNS is fixed, I want to wipe everything clean and re-init
>> Accumulo to ensure everything is legit using hostnames to ensure the
>> cluster is not tied to IP addresses.
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>> I know I need to do a new 'accumulo init' -- I'll pass in the same
>> instance name, and my understanding is that will overwrite everything
>> currently in Zookeeper.
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>> My question is: is there anything else I could/should do first to "clean
>> up" from this botched instance?  E.g. should I delete all files in HDFS,
>> the write-ahead logs on the Tablet Servers, etc.?  I'm running Accumulo
>> 1.4.2.
>>
>> Thanks,
>> Terry
>>
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>
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Terry P. 2013-10-08, 23:50
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Keith Turner 2013-10-09, 00:37
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Terry P. 2013-10-09, 00:48