※ 引述《swallowcc (罹患重度能年病的燕叔)》之铭言： : 各位前辈好 ._. : 最近管理的一台 tomcat 8 常常会喷 hs_err_pid.log 出来... : 不过看着 log 内容有种不晓得该怎麽解析的无力感 orz : 不晓得像这种 log 是否有专门的 analyzer 可以用？ : 还是有什麽眉角，可以从中就直接分析原因？ : （或者是有教学文件什麽的，让我自己啃也OK @@） : 感谢 <(_ _)> # # There is insufficient memory for the Java Runtime Environment to continue. # Native memory allocation (mmap) failed to map 256901120 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:2627), pid=4158, tid=139817230907136 # # JRE version: Java(TM) SE Runtime Environment (8.0_66-b17) (build 1.8.0_66-b17) # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.66-b17 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 # 反正主因就是记忆体不足吧！ --------------- S Y S T E M --------------- OS:CentOS release 6.7 (Final) uname:Linux 2.6.32-573.12.1.el6.x86_64 #1 SMP Tue Dec 15 21:19:08 UTC 2015 x86_64 libc:glibc 2.12 NPTL 2.12 rlimit: STACK 10240k, CORE 0k, NPROC 63664, NOFILE 4096, AS infinity load average:2.54 0.99 0.67 /proc/meminfo: MemTotal: 16325852 kB MemFree: 174840 kB 系统里全部 16 GB，剩 17x MB 能用。 就算 JVM 没自爆，那也等着被 kernel oom killer 砍吧 @@ --

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