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From Attila Nagy <...@fsn.hu>
Subject Re: LevelDB slower than Kaha?
Date Wed, 13 Nov 2013 08:12:25 GMT
Hi,

I've used these:
http://pastebin.com/vxRtKfGu
http://pastebin.com/4j5Z9zce

but with the selector removed (see my e-mails and bug tracker entries on 
them).

On 11/06/13 15:22, Hiram Chirino wrote:
> Weird, leveldb typically has better perf than kahadb.  Then again I
> typically use the JNI leveldb driver when I benchmark it so perhaps
> thats the big difference.  But your benchmarking case also is a bit
> different from what I've looked at.  Any chance you could post a
> little github project /w the scripts needed to reproduce your
> benchmark?
>
> I'd like to give it a try on my hardware.
>
> On Wed, Nov 6, 2013 at 3:37 AM, Attila Nagy <bra@fsn.hu> wrote:
>> Hi,
>>
>> AMQ 5.9.0, FreeBSD 9/amd64, openjdk version "1.7.0_25".
>> Publishing to a virtual topic, with one durable subscriber disconnected, 1
>> million small (160-300 bytes payload) messages, with some headers, then
>> consuming with one client.
>> The queue has a 10MB memory limit, store cursor.
>>
>> With kahadb (default settings) it takes 239 seconds to publish, 368s to
>> consume (4184, 2717 messages per sec average).
>> With leveldb (default settings, native) it takes 451 and 488 secs (2217 and
>> 2049 msg/s).
>>
>> What's recommended here?
>>
>> Thanks,
>
>


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