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From Robert Newson <rnew...@apache.org>
Subject Re: CouchDB 1.2.0 Keeps Crashing.
Date Wed, 01 May 2013 09:41:45 GMT
I'd set it to 10000 and then forget it about it. File descriptors are
pretty cheap these days.

On 1 May 2013 10:29, Pieter van der Eems
<p.van.der.eems@interactiveblueprints.nl> wrote:
> 2013/5/1 Benoit Chesneau <bchesneau@gmail.com>:
>> On Wed, May 1, 2013 at 11:00 AM, Pieter van der Eems
>> <p.van.der.eems@interactiveblueprints.nl> wrote:
>>> 2013/5/1 Benoit Chesneau <bchesneau@gmail.com>:
>>>> On Wed, May 1, 2013 at 10:44 AM, Benoit Chesneau <bchesneau@gmail.com>
wrote:
>>>>> On Wed, May 1, 2013 at 10:38 AM, Pieter van der Eems
>>>>> <p.van.der.eems@interactiveblueprints.nl> wrote:
>>>>>
>>>>>>
>>>>>> Is the file descriptor a couchdb limit that I can change (where?)
or a
>>>>>> filesystem limit (ext4, we've already hit ext4 limit before but the
>>>>>> errors were different).
>>>>>>
>>>>>>
>>>>>
>>>>> man ulimit(3)
>>>>>
>>>>> - benoit
>>>>
>>>>
>>>> in clear, either use the ulimit command to increase the limits at
>>>> runtime or increase them either in security.conf or limits.conf
>>>> depending on your system.
>>> Ubuntu 11.10 (it needs updating, just haven't had the time yet).
>>>
>>>>
>>>> Probably /etc/security/limits.conf in your case.
>>> That looks like the one.
>>>
>>>
>>>> I'm actually
>>>> interrested by the limit you already have, can you paste the result of
>>>> ` ulimit -n`  ?
>>>
>>> It's 1024
>>> That seems to be the default.
>>> My own desktop (Ubuntu 12.04) has the same.
>>>
>>> We have more than that number of databases (1134 as of now).
>>>
>>
>> Thanks, you should try to slowly iincrease the limits of the user
>> launching couchdb to test which one is good for you, it all depends on
>> the number of max dbs opened, number of requests and view calculated
>> at the same time
> Hmm. I really should find the time to install a test server for this
> and create a simulation. Currently the only way to "test" this is on a
> live environment that serves live customers.
>
> For now I've set it to 2048.
>
> Regards,
> Pieter.

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