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From Barry Wark <barryw...@gmail.com>
Subject Re: A permanent view for user-entered query with complex boolean expressions?
Date Tue, 10 Feb 2009 22:10:32 GMT
On Tue, Feb 10, 2009 at 12:34 PM, Chris Anderson <jchris@apache.org> wrote:
> On Tue, Feb 10, 2009 at 12:09 PM, Paul Davis
> <paul.joseph.davis@gmail.com> wrote:
>>
>> Trunk has support for streaming writes when a Content-Length header is
>> present. Chris Anderson was just working the other day on streaming
>> writes to disk in the absence of a Content-Length header. That
>> basically means that if your HTTP client sends a content-length
>> header, the sky's the limit. If you don't send a Content-Length
>> header, you'll be limited by the available RAM on the machine running
>> CouchDB until Chris finishes his patch.
>
> Just to clear up, currently attachment PUTs without Content-Length
> headers are rejected. I think that we fixed the RAM buffering issue
> after all:
>
> https://issues.apache.org/jira/browse/COUCHDB-189 (fixed)
>
> So if you know the length of the attachment, PUT should work for you
> no matter how big it is.

Very cool. What about reading the attachment? Is there a significant
performance hit for streaming the attachment out of the database as
opposed to reading the data directly out of a separate file?

thanks,
Barry

>
> --
> Chris Anderson
> http://jchris.mfdz.com
>

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