Twemproxy Installation Use

Twemproxy, also known as Nutcraker. is a twtter open source of a Redis and Memcache proxy server.

As an efficient caching server, Redis is of great application value. But when used more, it is hoped that the management can be unified in some way.

Avoid the loose nature of each client management connection for each application. At the same time it becomes controllable to some extent.

Twemproxy Features:

Support failed node automatic deletion

You can set the time to reconnect the node
You can set the number of connections before you delete the node
The method is suitable for cache storage
Support Settings hashtag

By hashtag you can set up two keyhash to the same instance.
Reduce the number of direct connections to Redis

Keep a long connection with Redis
You can set the number of connections for each Redis agent to the background
Automatic fragmentation to multiple Redis instances on the back end

Multiple hash algorithms (part not yet understood)
You can set the weight of a backend instance
Avoid a single point of issue

Multiple agent tiers can be deployed in parallel. Client automatically chooses one of the available
Support Redis pipelining Request

Support Status Monitoring

can set state monitoring IP and port, access IP and port can get a JSON format state information string
can set monitoring information refresh interval time
High throughput

Connection multiplexing, memory reuse.
Multiple connection requests are composed of Reids pipelining unified to Redis requests.

Twemproxy Introduction and download Address:

Https://github.com/twitter/twemproxy/tree/master

1: Download and install

wget Https://github.com/twitter/twemproxy/archive/v0.4.1.zip

Unzip Twemproxy-0.4.1.zip

CD twemproxy-0.4.1

Autoreconf-fvi

When performing autoreconf, a burst of error

Configure.ac:9: error:autoconf version 2.63 or higher is required. Refers to the autoconf version is low, need to install a high version.

Install autoreconf

wget http://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.gz

Tar zxvf autoconf-2.69.tar.gz

CD autoconf-2.69

./configure

Make
Make install

Need to cover the original
cp/usr/local/bin/autoconf/usr/bin/
cp/usr/local/bin/autoreconf/usr/bin/

Then execute AUTORECONF-FVI no error

./configure

Make
Make install

When the installation is complete, print the nutcracker-h to see if the installation is successful

2: Use

cp/usr/local/src/twemproxy-0.4.1/conf/nutcracker.yml/etc/
Vi/etc/nutcracker.yml

Check the configuration file

Nutcracker-t/etc/nutcracker.yml

Execute Nutcracker
Nutcracker-d-c/etc/nutcracker.yml

viewing processes
Ps-ef |grep Nutcracker |grep-v grep

3: Login to use

Set,get command to use OK, other functions can be played by themselves