怎么看待在 sringboot 项目内存中加载大批量数据进行内存统计 - V2EX
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hay0577
V2EX    Java

怎么看待在 sringboot 项目内存中加载大批量数据进行内存统计

  •   
  •   hay0577 Sep 2, 2022 1905 views
    This topic created in 1332 days ago, the information mentioned may be changed or developed.

    rt 这种写法是会经常导致内存溢出的吗? 是要应该把数据统计放到数据库层去做统计吗? 如果真的应该是这样的话,那 java 里的流式计算是不是就没要存在的意义了啊...

  • 内存
  • 统计
  • sringboot
  • 写法
    6 replies    2022-09-02 15:53:17 +08:00
    xiao109
        1
    xiao109  
       Sep 2, 2022
    你让数据库把大批量数据一次性加载到内存他也会溢出啊。
    yazinnnn
        2
    yazinnnn  
       Sep 2, 2022
    建议先思考一下为什么业务需要频繁加载大量数据
    hay0577
        3
    hay0577  
    OP
       Sep 2, 2022
    @yazinnnn 比如要做数据统计.但是已经加上了查询时间的范围限制
    hay0577
        4
    hay0577  
    OP
       Sep 2, 2022
    @xiao109 嗯 那确实.. 我想知道的是。多少的数据量会算很大 然后溢出呢...
    sampeng
        5
    sampeng  
       Sep 2, 2022   1
    @hay313955795 自己算啊。。。。计算机理论第一节课就是教你怎么算内存大小
    xiao109
        6
    xiao109  
       Sep 2, 2022
    内存不够就分而治之嘛，一天的数据一次统计和分二十四小时分次统计然后累加最终结果是一样的
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