Release mechanism - brute force Published: Wikipedia

ylbtech- release mechanism - brute force Published: Wikipedia

 

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First explain the concept of single-server group, previously our machines relative shortage of resources, unlike the current cloud computing and virtualization (including container technology) so advanced, so the application of the basic machine is pre-allocated statically (assigned by the general responsible for the operation and maintenance) the original application a n lived in this machine, the next release of the application upgrade also live on a n this machine, so called single-server publishing group.

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1.1 brute force release

As shown below, this publishing relatively simple and crude , a bit like our traditional software upgrade, mainly by hand is completed, the first under the old version V1 all out, and then send the new version to the machine up . In this way introduces outage (downtime) , in a development test environment is feasible, but released for production environments, it will directly affect the user experience, this approach is generally not recommended.

Pre-Release

After release

 Advantages and Applications

Advantage:

• Simple and low cost

insufficient:

• Service interruption affected users, a problem also slow rollback

Applications:

• Development and testing environment

• Non-critical applications (user impact facet)

• Startups are short, the dead of night to find a small amount of time to do user access

 Traffic patterns

Brute force conference to introduce the service interruption time, images from Appendix 6.1

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https://www.cnblogs.com/apanly/p/8784096.html

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