chetanmeh opened a new pull request #4314: CosmosDB Cache Invalidation Service URL: https://github.com/apache/incubator-openwhisk/pull/4314 This PR implements a new service for performing Cache Invalidation when running with CosmosDB. See #4277 for details ## Description To propagate changes across cluster this PR implements a new service which makes use of the [changefeedprocessor](https://github.com/Azure/azure-documentdb-changefeedprocessor-java) library to listen to changes happening in `whisks` and `subject` collection and then convert them into Kafka message events which can be sent to `cacheInvalidation`. So each cluster would have its own cache invalidation service running which would ensure that changes done by other clusters are picked up and routed to local cluster `cacheInvalidation` topic ## Related issue and scope <!--- Please include a link to a related issue if there is one. --> - [ ] I opened an issue to propose and discuss this change (#4277) ## My changes affect the following components <!--- Select below all system components are affected by your change. --> <!--- Enter an `x` in all applicable boxes. --> - [ ] API - [ ] Controller - [ ] Message Bus (e.g., Kafka) - [ ] Loadbalancer - [ ] Invoker - [ ] Intrinsic actions (e.g., sequences, conductors) - [ ] Data stores (e.g., CouchDB) - [ ] Tests - [ ] Deployment - [ ] CLI - [ ] General tooling - [ ] Documentation ## Types of changes <!--- What types of changes does your code introduce? Use `x` in all the boxes that apply: --> - [ ] Bug fix (generally a non-breaking change which closes an issue). - [x] Enhancement or new feature (adds new functionality). - [ ] Breaking change (a bug fix or enhancement which changes existing behavior). ## Checklist: <!--- Please review the points below which help you make sure you've covered all aspects of the change you're making. --> - [ ] I signed an [Apache CLA](https://github.com/apache/incubator-openwhisk/blob/master/CONTRIBUTING.md). - [ ] I reviewed the [style guides](https://github.com/apache/incubator-openwhisk/wiki/Contributing:-Git-guidelines#code-readiness) and followed the recommendations (Travis CI will check :). - [ ] I added tests to cover my changes. - [ ] My changes require further changes to the documentation. - [ ] I updated the documentation where necessary.
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