Linux page allocation failure problem handling - zone_reclaim_mode
Label
PostgreSQL, Linux, page allocation failure, memory
background
Linux kernel allocation fails.
After using a certain amount of memory, HANG.
There may be similar errors in dmesg, system HANG live, can not connect, need to restart to solve.
page allocation failure
Oct 24 11:27:42 kernel: : [21289.479063] python2.6: page allocati ...
Posted by kaen on Thu, 07 Feb 2019 20:30:17 -0800
linux basic learning [9]
Software management
1. yum: The most important function of the upper software management tool is to solve software dependency.
The prerequisite for yum to be operational is that it must have a yum source and configure the source-to-file
1. Getting ISO Mirror Files Matching the System
rhel-server-7.0-x86_64-dvd.iso
2. Mount the mirror file i ...
Posted by coellen on Fri, 25 Jan 2019 13:54:14 -0800
linux basic learning [8]
Virtual Machine Management
I. Installing Virtual Machines with Local Mirrors
1. Graphic Interface Installation
virt-manager ##Open Virtual Machine Manager
File - > New Virtual Machine, select the local image
Select the size of the immediate storage space and CPU
Select allocated sto ...
Posted by ahmad03 on Fri, 25 Jan 2019 10:42:14 -0800