jvm 调优主要是在调什么? - V2EX
sun1992
V2EX    Java

jvm 调优主要是在调什么?

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  •   sun1992 Oct 22, 2018 4293 views
    This topic created in 2780 days ago, the information mentioned may be changed or developed.

    rt,jvm 调优经常会调哪些指标?会有哪些调优策略? jvm 调优主要在做什么?能做什么,不能做什么?

    8 replies    2018-10-31 14:48:34 +08:00
    mineqiqi
        1
    mineqiqi  
       Oct 22, 2018
    内存 gc
    amon
        2
    amon  
       Oct 22, 2018
    这个问题太宽泛了,建议去了解下 JVM 相关的资料。
    mortonnex
        3
    mortonnex  
       Oct 22, 2018
    堆栈大小,比例
    垃圾回收器
    sonyxperia
        4
    sonyxperia  
       Oct 22, 2018
    不都是直接加机器嘛
    sagaxu
        5
    sagaxu  
       Oct 22, 2018 via Android
    改几个参数,并不能算调优,魔改 jvm 代码解决改参数解决不了的问题,可以算调优
    FenGuWu
        6
    FenGuWu  
       Oct 22, 2018
    吞吐量(单位时间能清理垃圾的多少)
    停机时间(一些业务对停机比较敏感)
    huweic
        7
    huweic  
       Oct 28, 2018
    比如说 Xmx 究竟设成多少合适?这个简单的小问题其实就很有学问了
    xiaoxinshiwo
        8
    xiaoxinshiwo  
       Oct 31, 2018
    减少 FullGC,解决 OOM
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