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From Mark Hahn <m...@reevuit.com>
Subject Re: Considering CouchDB
Date Wed, 20 Nov 2013 21:56:58 GMT
I meant http view requests were blocked.   It is waiting for the view
rebuild.

 I'm can't type what I'm thinking today.


On Wed, Nov 20, 2013 at 1:54 PM, Mark Hahn <mark@reevuit.com> wrote:

> never mind. I wasn't talking about the file level at all.  I meant that
> http read requests are blocked after http update requests.
>
>
> On Wed, Nov 20, 2013 at 1:52 PM, Robert Newson <rnewson@apache.org> wrote:
>
>> "DB reads are blocked by DB updates at the http level."
>>
>> Nope, there's a process that can read the database and a separate one
>> for writing to it. Writing to an append only file is obviously
>> serialized but there's no need to block reads.
>>
>> B.
>>
>>
>> On 20 November 2013 21:35, Mark Hahn <mark@reevuit.com> wrote:
>> >> Database writes are not coupled to view updates.
>> >
>> > I understand now, you are talking about file read/write level.  DB reads
>> > are blocked by DB updates at the http level.
>> >
>> >
>> > On Wed, Nov 20, 2013 at 1:05 PM, Robert Newson <robert.newson@gmail.com
>> >wrote:
>> >
>> >> "A write requires updating views and reads have to wait for the update"
>> >>
>> >> Is not true. Database writes are not coupled to view updates.
>> >>
>> >> Sent from my iPad
>> >>
>> >> > On 20 Nov 2013, at 20:59, Mark Hahn <mark@reevuit.com> wrote:
>> >> >
>> >> > A write requires updating views and reads have
>> >> > to wait for the update
>> >>
>>
>
>

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