Hello Kevin


That’s not our best on this enviroment.

Now We're going to increase the loading rate to verify our limits on this VM.



B.R



________________________________
发件人: Kevin A. McGrail <[email protected]>
发送时间: Thursday, May 23, 2019 11:57:40 AM
收件人: [email protected]; 冯 庆新
主题: Re: Long term test on Apache VM is running

I like the error rate.  Is the loading rate good?

On 5/22/2019 11:46 PM, 冯 庆新 wrote:
> Hello  all :
>
> Last week we started long term test for evaluating the stability of IoTDB.
>
> Now I will report the result to you:
> Start Time : 2019/5/18 18:35:23
> End  Time : 2019/5/20 19:6:28
> Timeseries Num : 20,000 [200 Devices * 100 Sersors]
> Loaded 327,903,000 points in 77,650.748816s (mean rate 4222.79 points/s).
> Total error num is 0.
>
> IoTDB can handel this stituation well in the VM whose configuration is low.[4 
> cores,16G Memory,200G Disk]
> Actually ,we ran both iotdb and the iotdb-benchmark in this VM.
> We have to stoped the test because there is no space left for new data.
> Next time we will try to increase the number of time series to 200,000[2000 
> Devices and 100 Sensors].
>
> That’s all.
> Please feel free to contact me if you have any questions
> Thank you.
> B.R
>
> FengQingxin
> 冯庆新 [[email protected]]
> 大数据系统软件国家工程实验室
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> On 2019/05/19 12:35:23, Xiangdong Huang <[email protected]> wrote:
>> Hi all,>
>>
>> We have got a VM from ASF (iotdb-vm.apache.org), with 16GB memory, 4 cores>
>> and 200GB space.>
>>
>> Now Qingxin and I have started a long term test for evaluating the>
>> stability of IoTDB.>
>> The workload simulates 4 clients writing time series data as fast as>
>> possible. The data represents for  200 devices, while each device has 100>
>> sensors. The workload is generated by iotdb-benchmark[1].>
>>
>>
>> [1] https://github.com/thulab/iotdb-benchmark>
>>
>> Best,>
>> ----------------------------------->
>> Xiangdong Huang>
>> School of Software, Tsinghua University>
>>
>>  黄向东>
>> 清华大学 软件学院>
>>

--
Kevin A. McGrail
Member, Apache Software Foundation
Chair Emeritus Apache SpamAssassin Project
https://www.linkedin.com/in/kmcgrail - 703.798.0171

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