Understanding the Space Used by ZFS By Brian Leonard on Sep 28, 2010 Until recently, I've been confused and frustrated by the zfs list output as I try to clear up space on my hard drive. Take this example using a 1 GB zpool: bleonard@os200906:~# mkfi…

分区类型 [root@-shiyan dev]# fdisk /dev/sda WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): Command (m for help): l Empty…

学习 Linux 时,经常可以看到两个词:User space(用户空间)和 Kernel space(内核空间). 简单说,Kernel space 是 Linux 内核的运行空间,User space 是用户程序的运行空间.为了安全,它们是隔离的,即使用户的程序崩溃了,内核也不受影响. Kernel space 可以执行任意命令,调用系统的一切资源:User space 只能执行简单的运算,不能直接调用系统资源,必须通过系统接口(又称 system call),才能向内核发出指令. str…

Apache Kafka is an attractive service because it's conceptually simple and powerful. It's easy to understand writing messages to a log in one place, then reading messages from that log in another place. This simplicity not only allows for a nice sepa…

A Beginner's Guide To Understanding Convolutional Neural Networks Introduction Convolutional neural networks. Sounds like a weird combination of biology and math with a little CS sprinkled in, but these networks have been some of the most influential…

原文地址:https://blogs.oracle.com/poonam/entry/understanding_cms_gc_logs Understanding CMS GC Logs By Poonam-Oracle on Mar 23, 2006 CMS GC with -XX:+PrintGCDetails and -XX:+PrintGCTimeStamps prints a lot of information. Understanding this information can…

原文地址:https://blogs.oracle.com/poonam/entry/understanding_g1_gc_logs Understanding G1 GC Logs By Poonam-Oracle on Jun 18, 2012 The purpose of this post is to explain the meaning of GC logs generated with some tracing and diagnostic options for G1 GC.…

http://www.behardware.com/art/lire/845/ --> Understanding 3D rendering step by step with 3DMark11 - BeHardware>> Graphics cards Written by Damien Triolet Published on November 28, 2011 URL: http://www.behardware.com/art/lire/845/ Page 1 Introduct…

Understanding Virtual Memory by Norm Murray and Neil Horman Introduction Definitions The Life of a Page Tuning the VM Example Scenarios Further Reading About the Author Introduction One of the most important aspects of an operating system is the Virt…

Adit Deshpande CS Undergrad at UCLA ('19) Blog About A Beginner's Guide To Understanding Convolutional Neural Networks Part 2 Introduction Link to Part 1 In this post, we’ll go into a lot more of the specifics of ConvNets. Disclaimer: Now, I do reali…