Redis4.0版本增加了很多诱人的新特性,在redis精细化运营管理中都非常有用(猜想和antirez加入redislabs有很大关系):此系列几篇水文主要介绍以下几个新特性的使用和效果. Redis Memeory Command:详细分析内存使用情况,内存使用诊断,内存碎片回收: PSYNC2:解决failover和从实例重启不能部分同步:PSYNC3已经路上了: LazyFree: 再也不用怕big key的删除引起集群故障切换: LFU: 支持近似的LFU内存淘汰算法: Active…

1 MEMORY command The MEMORY command describes the location and size of blocks of memory in the target. You can use it to describe which memory regions may be used by the linker, and which memory regions it must avoid. A linker script may contain at m…

1 Intro Every link is controlled by a linker script. The main purpose of the linker script is to describe how the sections in the input files should be mapped into the output file, and to control the memory layout of the output file. The linker alway…

网上找不到什么靠谱的资料,甚至我调好了夏普原厂和代理商还来找我要demo,  哎,苦逼的码农. lcd_main.c #include "ls013b7dh03.h" #include "oled_font.h" void lcd_main(void) { lcd_init(); lcd_clear(); lcd_print_char(,,,); lcd_print_num(,,,,); lcd_print_string(,,); lcd_refresh(); }…

http://supp.iar.com/Support/?Note=47884 Technical Note 47884 Build from the command line The alternatives below are exemplified for Embedded Workbench for ARM (EWARM), but can be easily be modified for another EW target.This Technical Note might be h…

https://www.codecademy.com/en/courses/learn-the-command-line Background The command line is a text interface for your computer. It's a program that takes in commands, which it passes on to the computer's operating system to run. From the command line…

Visual Studio 调试技巧[Command Window & Immediate Window ](Tips) 1. immediate window 定义的一些 alias (//z 2012-3-13 14:04:44 PM IS2120@CSDN)alias ? Debug.Printalias ?? Debug.QuickWatchalias AddProj File.AddNewProjectalias alias Tools.Aliasalias autos Debug.A…

Run Dr.memory on visual c++ 2013 Title: Dr. Memory Command: C:\Program Files (x86)\Dr. Memory\bin\drmemory.exe Arguments: -visual_studio -- $(TargetPath) Initial Directory: $(TargetDir) set arguments-light -no_midchunk_inheritance_ok -no_check_gdi -n…

有些时候,我们可能会遇到IOS XE设备的high memory的情况.我们可以使用的命令去查看相关信息. 例如: Router# show version Router# show memory Router# show processes memory Router# show platform software status control-processor brief Router# show platform resources Router# show processes memo…

Ubuntu 13.04/12.10安装Oracle 11gR2图文教程 原文标题:How to Install Oracle 11G R2 Enterprise Edition Database Ubuntu 12.10 / 12.04 注:原文出自:http://www.techienote.com/tag/oracle-database-11g-r2-on-ubuntu-12-04 Following is the how to for installing Oracle Database…