服务器崩溃报告

服务器崩溃报告#有人知道这是什么崩溃报告？
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 12582912 bytes for committing reserved memory.
# Possible reasons:
# The system is out of physical RAM or swap space
# In 32 bit mode, the process size limit was hit
# Possible solutions:
# Reduce memory load on the system
# Increase physical memory or swap space
# Check if swap backing store is full
# Use 64 bit Java on a 64 bit OS
# Decrease Java heap size (-Xmx/-Xms)
# Decrease number of Java threads
# Decrease Java thread stack sizes (-Xss)
# Set larger code cache with -XX:ReservedCodeCacheSize=
# This output file may be truncated or incomplete.
#
# Out of Memory Error (os_linux.cpp:2638), pid=21517, tid=0x00007fe959fb9700
#
# JRE version: OpenJDK Runtime Environment (8.0_121-b13) (build 1.8.0_121-b13)
# Java VM: OpenJDK 64-Bit Server VM (25.121-b13 mixed mode linux-amd64 compressed oops)
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#

程序有bug把内存吃完了。

用户访问过多的话可能导致服务器硬件配置跟不上，导致死机，这样的情况重启可以。如果过量导致主板硬盘cpu等的硬件烧毁……你知道怎么办了，服务器在机房的话一般都是机柜跳闸，就是电流过高，合上闸就好了

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