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From Kiran Ayyagari <kayyag...@apache.org>
Subject Re: Multi-Master Replication issues - Memory and out of sync
Date Fri, 14 Aug 2015 02:41:32 GMT
On Thu, Aug 13, 2015 at 11:11 PM, Ezsra McDonald <ezsra.mcdonald@gmail.com>
wrote:

> First, How much memory should a Multi-Master node require? The Master pool
> is made up of four nodes. I currently have -Xms1024m and -Xmx2048m. I seem
> to be running out of memory:
>
> this should be enough, not a whole lot of entries should live in the memory

>          Exception in thread "pool-2-thread-14" java.lang.OutOfMemoryError:
> GC overhead limit exceeded
>
can you please take* a memory dump of the server process? and attach it to
a jira ticket.

* please follow this doc if needed
http://blogs.atlassian.com/2013/03/so-you-want-your-jvms-heap/

>
> I have more than 330k entries in my LDAP partition.
>
>
> Next, I collected the contextCsn values over a few seconds. I used iTerm to
> execute the commands on all nodes simultaneously. I am confused by what I
> am seeing. Do these values make any since?
>
yes, all the nodes are appearing to be in  sync based on the given values

>
>   NODE 1A NODE 2A NODE 1B NODE 2B 1
> 20150813111645.934000Z#000000#001#000000
> 20150813130350.592000Z#000000#001#000000
> 20150813130350.592000Z#000000#001#000000
> 20150813111652.523000Z#000000#001#000000 2
>
what partition the above value belongs to?, I assume this is not a
replicated partition

> 20150813111645.934000Z#000000#001#000000
> 20150813111645.934000Z#000000#001#000000
> 20150813130350.592000Z#000000#001#000000
> 20150813111645.934000Z#000000#001#000000 3
> 20150813111645.934000Z#000000#001#000000
> 20150813111645.934000Z#000000#001#000000
> 20150813130350.592000Z#000000#001#000000
> 20150813111645.934000Z#000000#001#000000 4
> 20150813142625.893000Z#000000#001#000000
> 20150813111645.934000Z#000000#001#000000
> 20150813130350.920000Z#000000#001#000000
> 20150813111645.934000Z#000000#001#000000 5
> 20150813130356.420000Z#000000#001#000000
> 20150813130350.592000Z#000000#001#000000
> 20150813111645.934000Z#000000#001#000000
> 20150813111645.934000Z#000000#001#000000
>



-- 
Kiran Ayyagari
http://keydap.com

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