问题进程cpu

排查JVM进程CPU使用率过高的问题

本文介绍如何通过CPU&内存诊断定位引起JVM进程CPU使用率过高的关键代码。问题现象Java程序CPU使用率为200%。解决方案登录ARMS控制台，在左侧导航栏选择应用监控>应用列表。在应用列表页面顶部选择目标地域，然后单击目标应用名称。在左侧...

Java 进程 CPU 100%问题排查

Java 进程 CPU 100%的排查步骤，大体上都是差不多的，可能会根据不同场景有些命令稍有区别。首先找出消耗 CPU 最高的进程 PID。然后再根据进程 PID 找出进程内消耗 CPU 最高的线程号 TID。最后根据线程号 TID 找出对应的 Java 线程，进行...

VKTM进程消耗大量CPU的问题

11g中引入了VKTM后台进程，VKTM是virtual keeper of time的缩写，该进程负责提供时钟时间(每秒更新一次)以及参考时间服务(每20ms更新一次，仅在进程高优先级情况下可用)，该参考时间服务用于各种基于时间间隔的度量。本文转自maclean_007 ...

redis-server进程CPU百分百问题

CPU百分百redis-server进程集群状态：slave 临时解决办法：使用gdb将d.ht[0].used的值改为0 问题原因：dictGetRandomKey()过程中，无法走到分支“if(dictSize(d)=0)return NULL;导致函数dbRandomKey()进入死循环。版本：Redis server v=...

php进程导致服务器cpu 100问题追查过程

前段时间，出现了一次服务器cpu 占用100的问题。以下为追查原因的过程。仅当抛砖引玉，欢迎拍砖。查看占用cpu高的进程想找出占用cpu高的进程，用top命令就可以搞定。top.此处省略n多行.10434 root 20 0 509m 174m 1528 R 99.7 0.5 8:42.43...

解决”dllhost进程消耗cpu 100%的问题

特征：服务器正常CPU消耗应该在75%以下，而且CPU消耗应该是上下起伏的，出现这种问题的服务器，CPU会突然一直处100%的水平，而且不会下降。查看任务管理器，可以发现是DLLHOST.EXE消耗了所有的CPU空闲时间，管理员在这种情况下，只好重新...

性能分析（1）-Java 进程导致 CPU 使用率升高，问题怎么定位？

几，但是响应时间很高响应时间很高首先要排查是否是网路原因，通过 ping 服务器的 IP 发现延时很低，不存在网络问题通过 top 查看服务端的系统资源情况，发现用户态 CPU 使用率比较高，即存在占用 CPU 高的进程，查看进程列表，发现一个 ...

解决linux中Kipmi0进程对CPU使用率很高问题

突然top发现Kipmi0进程一直占用近乎100%的一个核的资源，并且已经持续了很长一段时间。google查不到多少资料，看到一篇说法：是一些平台接口的管理器。不敢贸然杀死，再查查资料。看看专业的说法：kipmi is supposed to run with low ...

Linux系统中，如何模拟过多进程竞争CPU导致的负载高的性能问题

java性能问题排查：如何在linux系统中查看java进程CPU使用率？

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