zoukankan      html  css  js  c++  java
  • 一次受限于操作系统进程数的OOM

    在64bit机上跑应用,结果进程刚起来就挂,就刚起来就挂。。还OOM,还fork不出新进程,尼玛,这什么情况?

    1. 如果是应用层面OOM,那么不应该任何命令都不被执行了,不应该OS直接crash掉。

    2. 那么应该是OS自身的限制导致的。ulimit -a 看到限制的最大线程数是1024,这怎么够用,调大一点到1万好了 ulimit -u 10000

    $ jps
    #
    # There is insufficient memory for the Java Runtime Environment to continue.
    # Cannot create GC thread. Out of system resources.
    # An error report file with more information is saved as:
    # /home/admin/logs/hs_err_pid26989.log

    -bash: fork: 资源暂时不可用
    -bash: fork: retry: 资源暂时不可用
    -bash: fork: retry: 资源暂时不可用

    java.lang.OutOfMemoryError: unable to create new native thread

    java.lang.OutOfMemoryError: unable to create new native thread

    Java HotSpot(TM) 64-Bit Server VM warning: Exception
    java.lang.OutOfMemoryError occurred dispatching signal SIGTERM to handler- the VM may need to be for
    cibly terminated

    >$ ulimit -a

    core file size (blocks, -c) 0
    data seg size (kbytes, -d) unlimited
    scheduling priority (-e) 0
    file size (blocks, -f) unlimited
    pending signals (-i) 79486
    max locked memory (kbytes, -l) 64
    max memory size (kbytes, -m) unlimited
    open files (-n) 204800
    pipe size (512 bytes, -p) 8
    POSIX message queues (bytes, -q) 819200
    real-time priority (-r) 0
    stack size (kbytes, -s) 10240
    cpu time (seconds, -t) unlimited
    max user processes (-u) 1024
    virtual memory (kbytes, -v) unlimited
    file locks (-x) unlimited

  • 相关阅读:
    机器学习——逻辑回归(Logistic Regression)
    [BUUCTF]PWN4——pwn1_sctf_2016
    [BUUCTF]PWN1——test_your_nc
    [BUUCTF]PWN2——rip
    vuex状态管理详细使用方法
    微信小程序入门
    条件渲染vue
    vue-cli安装方法
    JavaScript逻辑运算符
    JavaScript的基本介绍
  • 原文地址:https://www.cnblogs.com/alipayhutu/p/3298360.html
Copyright © 2011-2022 走看看