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https://issues.apache.org/jira/browse/COUCHDB-1743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13648416#comment-13648416
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Samuel Williams commented on COUCHDB-1743:
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Benoit, all good points.
1/ JSON, while primarily a text based specification, can be implemented using a
variety of different encodings. Other systems have tried to address the
serialisation issue, for example BJSON (http://bjson.org). I assert that it
would be trivial to convert any existing JSON based RPC to BJSON or some other
similar standard to reduce encoding overhead.
2/ stdin/stdout can be redirected across a network with minimal issues.
3/ Sequential processing and parallel processing are vastly different. In the
case of parallel view server, CouchDB would be required to submit multiple
units of work and accept their results out of order. CouchDB, if it is aware of
non-parallel view servers, could spawn multiple view server processes to
achieve the same result. The main benefit to parallelism is reduced resource
consumption and improved processor utilisation. But actually, in many cases,
process-level parallelism can be as good as thread-level parallelism.
4/ A task id identifies a job which is running asynchronously. It runs exactly
the same as a sequential job, but all RPC interactions are tagged which allows
out of order scheduling.
5/ I'm quite happy with it being a Google document for now, but sure, we could
migrate it to the wiki if it is easier for people to edit. I'm happy to let
people edit it at present if you have a google account, or perhaps simply make
a copy of it and make your changes/suggestions in a different colour.
> Make the view server & protocol faster
> --------------------------------------
>
> Key: COUCHDB-1743
> URL: https://issues.apache.org/jira/browse/COUCHDB-1743
> Project: CouchDB
> Issue Type: Improvement
> Reporter: Dave Cottlehuber
> Labels: couchdb, erlang, gsoc2013, html, javascript, nodejs, rest
>
> View server protocol enhancements/refactoring - unix sockets, pipelining,
> different wire format etc. Faster!!
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