Kevin Peterson wrote:
> On Sep 18, 1:19�am, Difei Zhao <[EMAIL PROTECTED]>
> wrote:
>> � There is a new plugin for memcached query cache, I was hoping it will
>> bring some performance boost for my application, so I write a simple
>> ruby program to benchmark normal memcached performance, the result is
>> very frustrating:
> ...
>> � � while line = f.gets
>> � � � str, num = line.split(' ')
>> � � � CACHE[str] = num
>> � � end
> ...
>> � So, my question is, am I missing something? This will be even slower
>> than normal sql insert/select I guess.
>
> I don't think repeated writes with no reads is a very good performance
> test for memcached. Test reading instead. I'd test by populating the
> cache to something that would look like steady state (i.e. you don't
> want all your data in cache, because that's unrealistic, but you don't
> want to start empty), then starting the clock and doing lots of reads,
> some of which will be cache misses and have to go to DB.
>
> Kevin
Hi, I was using Ruby-Memcached, after changing it to memcached-client,
the speed is now much faster (3s), but it still can not beat
tokyocabinet.
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