Scott Harris created TS-2184:
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Summary: Fetch from cluster with
proxy.config.http.cache.cluster_cache_local enabled
Key: TS-2184
URL: https://issues.apache.org/jira/browse/TS-2184
Project: Traffic Server
Issue Type: Improvement
Components: Cache, Clustering
Reporter: Scott Harris
With proxy.config.http.cache.cluster_cache_local enabled I would like cluster
nodes to store content locally but try to retrieve content from the cluster
first (if not cached locally) and if no cluster nodes have content cached then
retrieve from origin.
Example - 2 Cluster nodes in Full cluster mode.
1. Node1 and Node2 are both empty.
2. Request to Node1 for "http://www.example.com/foo.html";.
3. Query Cluster for object
4. Not cached in cluster so retrieve from orgin, serve to client, object now
cached on Node1.
5. Request comes to Node2 for "http://www.example.com/foo.html";.
6. Node2 retrieves cached version from Node1, serves to client, stores locally.
7. Subsequent request comes to Node1 or Node2 for
"http://www.example.com/foo.html";, object is served to client from local cache.
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