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From Hiram Chirino <hi...@hiramchirino.com>
Subject Re: Simpler Replicated LevelDB store?
Date Fri, 08 Nov 2013 14:35:45 GMT
Ok sounds like a plan.  :)

On Fri, Nov 8, 2013 at 9:20 AM, Jaromir Hamala <jaromir.hamala@gmail.com> wrote:
> There is nothing really fancy:
> http://www.hazelcast.com/docs/3.0/manual/multi_html/ch12s02.html#NetworkPartitioning
> I believe there is no way how to specify a minimum quorum in order to
> obtain a distributed lock. This could lead to a situation where 2 servers
> will act as masters during the split-brain scenario, however I believe it
> should be possible to  implement this in ActiveMQ code - something like
>
> if (currentClusterSize < minimumSize) { dontEvenTryBeObtainAMasterLock.. }
>
>
> On Fri, Nov 8, 2013 at 2:11 PM, Hiram Chirino <hiram@hiramchirino.com>wrote:
>
>> Would love to have multiple options.  My biggest question is how does
>> Hazelcast deal with network splits?
>>
>> On Fri, Nov 8, 2013 at 8:54 AM, Jaromir Hamala <jaromir.hamala@gmail.com>
>> wrote:
>> > Hi guys,
>> >
>> > I was looking at the implementation of replicated LevelDB store. It
>> > currently requires Apache ZooKeeper. I was thinking how to simplify it
>> and
>> > it seems me it should be possible to implement both electing master and
>> > member discovery mechanisms by Hazelcast.
>> >
>> > What do you think about it? Hazelcast implements distributed locking,
>> it's
>> > very easy to use and has no external dependencies. I'm hoping to simplify
>> > deployment and easy to use of ActiveMQ HA capabilities.
>> >
>> > Cheers,
>> > Jaromir
>> >
>> >
>> > --
>> > “Perfection is achieved, not when there is nothing more to add, but when
>> > there is nothing left to take away.”
>> > Antoine de Saint Exupéry
>>
>>
>>
>> --
>> Hiram Chirino
>>
>> Engineering | Red Hat, Inc.
>>
>> hchirino@redhat.com | fusesource.com | redhat.com
>>
>> skype: hiramchirino | twitter: @hiramchirino
>>
>> blog: Hiram Chirino's Bit Mojo
>>
>
>
>
> --
> “Perfection is achieved, not when there is nothing more to add, but when
> there is nothing left to take away.”
> Antoine de Saint Exupéry



-- 
Hiram Chirino

Engineering | Red Hat, Inc.

hchirino@redhat.com | fusesource.com | redhat.com

skype: hiramchirino | twitter: @hiramchirino

blog: Hiram Chirino's Bit Mojo

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