SSDB supports TTL expiration

The Key expiration function has been added in SSDB1.6.7 to support automatic deletion of keys upon expiration. In this way, SSDB can be used as a persistent cache service. this function is the same as the ttlexpire function of Redis. The usage is: $

Record the steps for clouderamanager to install hadoop

Install cloudera-managerin go.cloudera.comcloudera-standard-download.html download the cloudera-manager-installer.bin after downloading it to set the Execute Permission chmod + x. cloudera-manager-installer.bin to run with root permission, sudo ?.

New API example of hadoopwordcount

Prepare some input files. Can I use hdfsdfs-putxxx *? Userfatkuninput file upload code packagecom. fatkun ;? Importjava. io. IOException; importjava. util. ArrayList; importjava. util. List; importjava. util. StringTokenizer ;? Importorg. apache.

From NoSQL to MySQL + Memcache (d) Heavy-tree MySQL

Author: Tan junqing @ MySQL Lab (repost this line and the author's information and original text links. Thank you !) NoSQL has been very popular recently because of its excellent performance in key-value storage, which has spawned many products,

Mysql Test 2: Test the high availability solution of DRBD + Mysql

Test environment: rhel3.5, drbd8.0.7, mysql5.0.51-rc-log1, first download the source code package from www.drbd.org (I downloaded the 8.0.7 package) 2. check whether there is linux kernel source code on the host, if not, find the corresponding

Introduction to the Snapshots function of HBase

The snapshot function of hbase is quite useful. This article is translated from a blog of cloudera, hoping to learn about snapshot? If the translation is poor, please refer to the original article IntroductiontoApacheHBaseSnapshots? Comparison.

Why use a persuasion email from a later version of redis?

Recently, I wrote an email to persuade OP to disagree with the redis version in the production environment. This article mentions why redis2.4 is used instead of 2.2, and how to solve others' concern. First, we will elaborate on extraordinary

Install and configure the MMS Monitoring Agent (8)

The following describes how to install and configure the Monitoring Agent. Log on to the MMS console with the username and password registered in install MMS Monitoring Service (6. How does it work? First, deploy a monitoring agent in the data

Record the Copyfailed problem encountered by a psu operation

I haven't installed or played PSU for a long time, and I still have a little hope in my mind. I thought it would take two hours to complete, after playing for more than four hours, I encountered some minor problems. The environment I played this

Skills required for ORACLEDBA-use OSWatcher (OSWBB) tool to monitor system performance

? Eagledba nornornornor( Norelatedposts). Original address: required skills of ORACLEDBA-use the OSWatcher (OSWBB) tool to monitor system performance load. Thank you for sharing it. ? Oracle dba's essential skills: Use the oswatchertool to monitor

CubieboardLinux server tutorial 3

This series of tutorials mainly explain how to use the Cubieboard to create a small Linux server. You can access the Cubieboard server through a browser. Tutorial 3 describes how to configure the HTTP service on the CubieboardLinux server and use

I always want to write something about it-about <only DBA knows>

I always want to write something. But I don't know what to write? Some time ago I read a book about female pregnancy called "only doctors know". The author, Zhang Yu, can write a book about pregnancy into a small story, and she also runs her own

Mysql slow query analysis installation and use of mysqlsla in centos

Description of yum-yinstallperlperl-DBIperl-CPANwgethackmysql.comscriptsmysqlsla-2.03.tar.gztarzxvfmysqlsla-2.03.tar.gzcdmysqlsla-2.03perlMakefile.PLmakemakeinstallmysqlsla-ltslowvarmysqllogmysql-slow.log statistical parameters? Qu Yum-yinstall perl-

RediswithanSSDswap, notwhatyouwant

Hello! AspromisedtodayIdidsomeSSDtesting. Thesetup: aLinuxboxwith24GBofRAM, withtwodisks. A) Aspinningdisk. B) AnSSD (Intel320series). Theideais, idea Hello! As promised today I did some SSD testing. the setup: a Linux box with 24 GB of RAM, with

MongoDB tool Summary

Mongosync, a data synchronization tool for MongoDB, introduces that mongosync is also an artifact for migrating data from MongoDB to TokuMX in real time. MongoDB Incremental Backup Tool mongobackup: the original address of MongoDBTokuMXsupport In

10.2.0.4 + version PSU and related bundlepatch list

Reposted from RogerBlog: Version 10.2.0.4 + PSU and related bundlepatch list updated on April 9, January 20, 2013. Reprinted from Roger Blog: 10.2.0.4 + version PSU and related bundle patch list updated on April 9, January 20, 2013 ++ 10.2.0.4

Summary of oracle script execution commands

1. execute an SQL script file sqlplususerpass@servicenamefile_name. SQL or SQLstartfile_names or SQL @ file_name we can save multiple SQL statements in a text file so that when you want to execute all the SQL statements in this file, use any of the

ICC static compilation Percona

The content of this article complies with the CC copyright agreement and can be reproduced at will. However, the original source and author information of the article and the copyright statement URL must be indicated in hyperlink form: www.penglixun.

Ultra powerful PS filter plug-in set PerfectPhotoSuitePremiumEdition7.

PerfectPhotoSuite is a powerful PS filter plug-in set. Its powerful functions have become a must-install Photoshop for many photographers and designers ,? PhotoshopElements, Lightroom filter plug-in. The latest version of

NewHash-basedShardingFeatureinMongoDB2.4

Comment 'sdocuments. Forcertaincommonworkloadsthough, likekeyvaluelookup, usingthenaturalchoiceof_idashardkeyisn' toptimalbec Lots of MongoDB users enjoy the flexibility of custom shard keys in organizing a sharded collection's documents. for

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