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Memcached

memcached is a free & open source, high-performance, distributed memory object caching system, used for In-memory Database . Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering.

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Prepare​

When referring to this document to use memcached, please read and ensure the following points:

  • Login to Websoft9 Console and find or install memcached:

    • Go to My Apps listing applications
    • Go to App Store installing target application

  • This application is installed by Websoft9 console.

  • The purpose of this application complies with the bsd3Clause open source license agreement.

  • Configure the domain name or server security group opens external network ports for application access.

Getting started​

Initial setup​

  1. When completing the installation of Memcached in the Websoft9 Console, get the applicaiton's Overview and Access information from My Apps

Login to the Console​

Memcached-admin is pre-built into this application orchestration but is not enabled by default. To enable it, following these steps:

  1. Select Websoft9 console > My apps > compose > Go to Edit Repository.

  2. Modify the Memcached docker-compose.yml file.

    • Update the host ports in the ports element
    • Remove the profiles element.

  3. After rebuilt the application, your can access the control panel through http:/URL:port. Memcached-admin

Telnet Connection​

  1. Run the telnet command to connect to Memcached.

    telnet 127.0.0.1 11211
    Trying 127.0.0.1...
    Connected to 127.0.0.1.
    Escape character is '^]'.
    ^]'.

  2. Once connected successfully, the system enters the Memcached CLI. Input the command stats.

    $ stats
    STAT pid 651
    STAT uptime 891
    STAT time 1585225158
    STAT version 1.4.15
    STAT libevent 2.0.21-stable
    ...

Configuration options​

  • Client command: Use Memcached Commands through Telnet.
  • Server-side commands: Run memcached -h.
  • Memcached-admin: Modify the compose file to enable it.

Administer​

Troubleshooting​