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From Filipe David Manana <fdman...@apache.org>
Subject Re: RFC: Releasing 1.2.0
Date Tue, 10 Jan 2012 11:01:27 GMT
On Tuesday, January 10, 2012, Randall Leeds <randall.leeds@gmail.com> wrote:
> On Tue, Jan 10, 2012 at 00:31, Dirkjan Ochtman <dirkjan@ochtman.nl> wrote:
>> On Mon, Jan 9, 2012 at 23:19, Filipe David Manana <fdmanana@apache.org>
wrote:
>>>> 2) Can anyone mention how snappy/zlib impacts performance?
>>>
>>> * https://issues.apache.org/jira/browse/COUCHDB-1120
>>
>> So does 1.2 have both the new JSON implementation and the snappy
>> compression? It seems like all the benchmarks in the ticket are either
>> compression or JSON NIF, but not both.

Dirkjan, the sections that say "Results with the snappy branch" mean that
the respective branch had the C JSON encoder/decoder and the compression.
The reason to compare against with and without the C JSON parser was to
verify that all performance gains were not obtained only by the JSON parser.

>
> Both. They are not alternatives. Compression occurs after JSON
> decoding when storing, decompression before JSON encoding on the way
> out. You'll have to test the impact on your workload with each and
> decide on the settings that are right for you.
>
>>
>> Cheers,
>>
>> Dirkjan
>

-- 
Filipe David Manana,

"Reasonable men adapt themselves to the world.
 Unreasonable men adapt the world to themselves.
 That's why all progress depends on unreasonable men."

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