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From Maarten Koopmans <maar...@vrijheid.net>
Subject Re: Zookeeper on 60+Gb mem
Date Tue, 05 Oct 2010 20:18:59 GMT
Yes, and syncing after a crash will be interesting as well. Off note; I am running it with
a 6GB heap now, but it's not filled yet. I do have smoke tests thoug, so maybe I'll give it
a try.



Op 5 okt. 2010 om 21:13 heeft Benjamin Reed <breed@yahoo-inc.com> het volgende geschreven:

> 
> you will need to time how long it takes to read all that state back in and adjust the
initTime accordingly. it will probably take a while to pull all that data into memory.
> 
> ben
> 
> On 10/05/2010 11:36 AM, Avinash Lakshman wrote:
>> I have run it over 5 GB of heap with over 10M znodes. We will definitely run
>> it with over 64 GB of heap. Technically I do not see any limitiation.
>> However I will the experts chime in.
>> 
>> Avinash
>> 
>> On Tue, Oct 5, 2010 at 11:14 AM, Mahadev Konar<mahadev@yahoo-inc.com>wrote:
>> 
>>> Hi Maarteen,
>>>  I definitely know of a group which uses around 3GB of memory heap for
>>> zookeeper but never heard of someone with such huge requirements. I would
>>> say it definitely would be a learning experience with such high memory
>>> which
>>> I definitely think would be very very useful for others in the community as
>>> well.
>>> 
>>> Thanks
>>> mahadev
>>> 
>>> 
>>> On 10/5/10 11:03 AM, "Maarten Koopmans"<maarten@vrijheid.net>  wrote:
>>> 
>>>> Hi,
>>>> 
>>>> I just wondered: has anybody ever ran zookeeper "to the max" on a 68GB
>>>> quadruple extra large high memory EC2 instance? With, say, 60GB allocated
>>> or
>>>> so?
>>>> 
>>>> Because EC2 with EBS is a nice way to grow your zookeeper cluster (data
>>> on the
>>>> ebs columes, upgrade as your memory utilization grows....)  - I just
>>> wonder
>>>> what the limits are there, or if I am foing where angels fear to tread...
>>>> 
>>>> --Maarten
>>>> 
>>> 
> 
> 

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