envoyproxy/envoy

RemoteAsyncDataProvider should not re-fetch between xDS refreshes

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#10,543 创建于 2020年3月26日

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area/xdshelp wanted

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描述

Currently, LDS update causes a fresh fetch of a Wasm binary. This is unnecessary since the resource comes with a content hash for verification. The request is to make it possible that RemoteAsyncDataProvider caches whatever it fetches and hands it off between xDS resources (e.g. a warming listener should pick it up from a draining listener).

/cc @yxue /cc @jplevyak

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