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Accumulo >> mail # dev >> simple cluster setup


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Drew Pierce 2013-04-16, 03:31
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Josh Elser 2013-04-16, 13:43
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Re: simple cluster setup
This may be a little out of date but will probably still be useful.

http://www.accumulodata.com/ec2.html

--Kevin
On Tue, Apr 16, 2013 at 9:43 AM, Josh Elser <[EMAIL PROTECTED]> wrote:

> Drew,
>
> I'm not an ec2 guru but I'll try to help:
>
>
>  the IP addresses (elastic IP's, local ip's) to use in masters/slaves,
>>
>
> You likely want to use the local ip's. The nodes just need to be routable
> to one another.
>
>
>  are the slaves using a single zookeeper server or their own on localhost
>>
>
> You likely only need one zookeeper for less than a few hundred nodes
> considering performance. Most likely you should evaluate your necessary
> redundancy requirements. If you can handle the ZK host tanking, you can
> probably get away with just one. Just remember that you should also have an
> odd number to ensure that the ZK hosts can make a quorum.
>
>  Are ssh passphraseless keys required
>>
>
> Yes
>
>  which user
>>
>
> The user which you're running Accumulo as.
>
>
>  The slave nodes report that there is no master server
>>
>
> The node which is the Accumulo master, check $ACCUMULO_LOG_DIR/master_*.{*
> *log,out}. Most likely there is something in the logs which prevented the
> master from starting. Also, check the web app monitor running on the
> monitor host (specified via $ACCUMULO_HOME/conf/monitor) on port 50095.
>
>
> On 4/15/13 11:31 PM, Drew Pierce wrote:
>
>> Trying to get a 1.4.2 cluster setup. Are there any simple steps as the
>> permutations of woe on EC2 are many, such as the IP addresses (elastic
>> IP's, local ip's) to use in masters/slaves, and are the slaves using a
>> single zookeeper server or their own on localhost. Are ssh passphraseless
>> keys required, and if so, which user? user accumulo's authorized keys?
>> There just lacks any detail. The slave nodes report that there is no master
>> server. Thx.
>>
>>
>
>
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Drew Pierce 2013-04-20, 20:27