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Today, the editor will take you to understand how to solve the memory overflow of reports with a large amount of data. the knowledge points in the article are introduced in great detail. Friends who feel helpful can browse the content of the article together with the editor, hoping to help more friends who want to solve this problem to find the answer to the problem. Let's follow the editor to learn more about "how to solve the memory overflow of reports with a large amount of data."

The memory overflow of the exported report is likely to be caused by full memory of the data, so it has to be exported by streaming (batch). If the report is developed by writing its own code, streaming export can be achieved with open source packages such as POI.

If you use a report tool to develop a report, you have to see whether the tool itself supports it. Some report tools can support asynchronous paging rendering, report streaming (batch) export Excel, and print these functions, which are more convenient to use directly. For reference: mass list and grouping report realization, this report export and print which has been tested for millions of articles is OK, and a larger amount of data should be tested again by yourself.

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