June 2018
Intermediate to advanced
372 pages
8h 44m
English
Content preview from Google Cloud Platform for Architects
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Use case – reacting to object changes
When we use our GCP buckets for web applications, the objects in the bucket will be rewritten many times over. Clearly, we might need to detect specific object changes and react to them, for which we'd need to be notified when an object changes. This functionality is invoked using the watchbucket clause in gsutil.
Please know that these notifications are different from Pub/Sub notifications (Pub/Sub is the reliable messaging system for streaming data in GCP). Object change notifications happen using something called a Channel. This is a GCS-specific term used to describe the link between a bucket and all apps listening for changes on that bucket.
You should also be aware that object change notifications ...
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