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  3. new ArrayList 不当导致 CPU 飙升

  • new ArrayList 不当导致 CPU 飙升。。

    前言首先问题是这样的，周五正在写文档，突然收到了线上报警，发现cpu占用达到了90多，上平台监控系统查看容器，在jvm监控中发现有一个pod在两个小时内产生了61次youngGc一次fullGc，这个问题特别严重且少见，由于我之前也没有排查
    new ArrayList 不当导致 CPU 飙升
    admin6小时前
    30
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