Understanding PaaS by Michael P. McGrath

Author:Michael P. McGrath [Michael P. McGrath]
Language: eng
Format: epub, pdf
Tags: COMPUTERS / General
ISBN: 9781449316938
Publisher: O'Reilly Media
Published: 2012-01-15T16:00:00+00:00

Tip

If a PaaS provider doesn’t process dependency manifests server side, it may be possible to bundle the libraries with the uploaded code. Be careful about non-native libraries where the binaries themselves have been built and linked on a workstation that is different from the platform on the server. Non-native libraries will likely cause more pain than their worth if they’re even allowed at all.

Something to be aware of with PaaS is that many providers and offerings are relatively new. Like all new things, parts of them eventually get old. Offering Python 2.6 today may seem fine but years from now it will be out of date. Pay attention to PaaS providers support lifespans and work to determine what a migration might look like.

For situations like this, it is best to work on upgrading as soon as it is feasible. Work with providers to figure out the best solution. It’s likely that most if not all providers will have parallel installs of new and old offerings. For example, a PaaS might offer Python 3.0 a year before disabling Python 2.6. This is a known risk and should be properly identified when doing risk analysis. Don’t just ignore it.

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