Linux中的tomcat应用占用CPU过高解决方法。最近新上了个java应用,部署到服务器上之后发现运行一段时间之后服务器cpu的占用率会很高。排查了一遍之后,发现网上这篇文章的思路可以解决我遇到的问题,遂转载过来留存。以我们最近出现的一个实际故障为例,介绍怎么定位和解决这类问题。根据top命令,发现PID为28555的Java进程占用CPU高达200%,出现故障。通过ps aux | grep PID命令,可以进一步确定是tomcat进程出现了问题。但是,怎么定位到具体线...
The nfsconf tool
CentOS/RHEL 8 introduces the nfsconf tool to manage the NFS client and server configuration files under NFSv4 and NFSv3. Configure the nfsconf tool using /etc/nfs.conf (the /etc/sysconfig/nfs file from earlier ve...
This post will help to configure Oracleasm disks using Udev rules in 2 node cluster.
On first node
1. List the disks:
[root@node01 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 2G 0 disk
sdb 8:16...
This post focuses on manually repairing the file-system configuration or corruption issues that stop the boot process.
Diagnosing and fixing file system issues
Errors in /etc/fstab and corrupt file systems can stop a system from boot...
TimeFinder SnapVX Overview
TimeFinder SnapVX provides a highly efficient mechanism for taking periodic point-in-time copies of source data without the need for target devices. Target devices are required only for presenting the point-...