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wondereamer avatar wondereamer commented on July 26, 2024

我也有添加hdf5模块的想法，目前本地数据维护的比较好的的是csv, sqlite部分接口我还没改完，由于时间原因，还没有开发本地数据实时维护的功能。

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dindom999 avatar dindom999 commented on July 26, 2024

A股每天TICK的NUMPY数据量大约2G,CSV或SQLITE都无法处理

2016-03-27 10:28 GMT+08:00 wondereamer [email protected]:

我也有添加hdf5模块的想法，目前本地数据维护的比较好的的是csv, sqlite部分接口我还没改完，由于时间原因，还没有开发本地数据实时维护的功能。

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wondereamer avatar wondereamer commented on July 26, 2024

sqlite 无法处理，你是指效率，还是指单个sqlite的文件有2gb上限？

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dindom999 avatar dindom999 commented on July 26, 2024

效率很低

2016-03-27 16:31 GMT+08:00 wondereamer [email protected]:

sqlite 无法处理，你是指效率，还是指单个sqlite的文件有2gb上限？

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wondereamer avatar wondereamer commented on July 26, 2024

就部署和效率的平衡来说，hdf5是个不错的选择，但是我目前没有时间开发这个，因为系统还有优先级更高的任务。sKabYY 在开发mongodb模块，这个可以一定程度上解决问题。如果你感兴趣，可以试试开发基于hdf5的数据模块：P

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