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Quantitative Finance · Glosarium

Apa itu Blue–green deployment, rollback?

Dikenal juga sebagai: blue--green deployment · rollback

Definition 27.8 Research, Data and Risk Platforms · Bab 27 — Testing and Continuous Delivery

A blue–green deployment installs a release on a second, idle set of hosts (green) while the current set (blue) serves, then switches traffic to green at once; switching back is the rollback, the return to the previous release, which a blue–green deployment makes a switch rather than a reinstallation.

The consistency check on the hook’s deployment, re-enacted: seven routers report the new build’s hash, the eighth the old one, and the release is refused before any order reaches the eighth. The same check on configuration hashes catches configuration drift (chapter ).
Figure 27.4. The consistency check on the hook’s deployment, re-enacted: seven routers report the new build’s hash, the eighth the old one, and the release is refused before any order reaches the eighth. The same check on configuration hashes catches configuration drift (chapter 16).
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