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From: Jan Lehnardt <jan@apache.org>
To: user@couchdb.apache.org
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Subject: Re: couchdb on 8 core redhat/fedora
Date: Sun, 9 Aug 2009 14:28:20 +0200
References: <921000908082201k5caa1cf6pf00283012f46457b@mail.gmail.com>
 <e2111bbb0908082206i17e80d49n80bc0e806522a1bc@mail.gmail.com>
 <4A7E6542.10408@borwankar.com>


On 9 Aug 2009, at 07:57, Nitin Borwankar wrote:

> Paul Davis wrote:
>
> Hey Paul,
>
> Thanks much for that.  I was hoping it was something simple like that.
> "Spidermonkey doesn't use any SMP features" -  does that mean it  
> will only run on one core and essentially become the bottleneck ?

  We don't parallelize view index creation yet, so this is not an  
additional problem for you. You can however build two views in  
parallel and make use of two cores that way.

Cheers
Jan
--


>
> Nitin
>
>> Nitin,
>>
>> Getting Erlang to spread should just be a matter of building it to
>> have SMP support. ICU and Spidermonkey don't make use of any SM
>> operation. You'll want to check Erlang's ./configure --help but I
>> think it compiles SMP by default. If not you'll want to check options
>> like --with-smp and --with-async.
>>
>> Paul Davis
>>
>> On Sun, Aug 9, 2009 at 1:01 AM, Nitin  
>> Borwankar<nitin@borwankar.com> wrote:
>>
>>> Hello all,
>>>
>>> I may get *free* access to an 8 core 32G server machine and am  
>>> curious if
>>> the underlying Erlang layer will automagically spread itself  
>>> across 8 cores
>>> or does anything need to be done in particular while build,  
>>> install or
>>> config?
>>>
>>> Second this is a 64 bit RHEL or FC machine ( not sure exactly  
>>> whihc but it
>>> doesn't matter much)  so the Ubuntu niceness is missing.
>>> So when installing from release tarball what's the best way to  
>>> install
>>> dependencies ( the instructions seem only to talk about debian apt- 
>>> get
>>> installs).
>>> Are there recent RPM's that can be installed via yum that will  
>>> satisfy needs
>>> of 0.90 and beyond ? Anyone done this before ?
>>>
>>>
>>>
>>> 37% of all statistics are made up on the spot
>>> -------------------------------------------------------------------------------------
>>> Nitin Borwankar
>>> nborwankar@gmail.com
>>>
>>>
>