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From stack <st...@duboce.net>
Subject Re: correct performance evaluation results?
Date Tue, 28 Oct 2008 21:52:35 GMT
Yeah.  Unless you got some magic going on in that Xeon of yours.
St.Ack


Krzysztof Szlapinski wrote:
> stack pisze:
>> Your math looks wrong.
>> St.Ack
>>
> Hm, I double checked and it seems OK
> Maybe the confuson is caused by the use of wrong decimal sparator in 
> my results (the Polish way ;) ). So once again its:
>                                no of rows      miliseconds     rows/sec
> sequential writes        2097140            408641     ~5132
> scan                          2097140                    40     ~52428500
> random read              4194280            843962    ~4970
>
> scan results seems tooooooo good ;)
>
>>
>> Krzysztof Szlapinski wrote:
>>> hi
>>> I've run the perormance evaluation test on a two machine cluster
>>>
>>> hardware:
>>> dual Xeon E5430 2.66 Ghz, 4GB RAM,
>>> software:
>>> OS - 64bit Ubuntu 8.04 Server
>>> Java 1.6 - 64bit
>>> Hadoop - 0.18.1
>>> HBase - 0.18.0
>>>
>>> Below are the results - the scan test result seems not real - could 
>>> someone please confirm that such result is credible
>>>
>>>
>>>     no of rows      miliseconds     rows/sec
>>> sequential writes     2097140     408641     5 131,99
>>> scan     2097140     40     52 428 500,00
>>> random read     4194280     843962     4 969,75
>>>
>>>
>>>
>>>
>>> krzysiek
>>>
>>
>>
>


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