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Posted to issues@openwhisk.apache.org by GitBox <gi...@apache.org> on 2022/09/27 23:07:21 UTC
[GitHub] [openwhisk] bdoyle0182 opened a new pull request, #5327: Add Function Cache Refresh If Invoker Is Running Container For Function
bdoyle0182 opened a new pull request, #5327:
URL: https://github.com/apache/openwhisk/pull/5327
## Description
This adds a periodic message to the container proxy that will make a request to the function cache to keep the function in the cache. The cache used to store downloaded functions has a keepalive for 5 minutes between accesses before it evicts. The default openwhisk container idleTimeout is 10 minutes. This means if you're using the default, you have a five minute gap between when a function is evicted and the container continues to run where once the container is unpaused it has to redownload the function before serving an activation. This doesn't really make any sense since behavior wise since the warm container already has the data it needs and the function check is mainly just for verifying it hasn't been updated. So this takes re-downloading the function cache off the critical path for an already warm container, but also since the cache is pinged on a 1 minute interval so less than the cache eviction time, the function should never need to be re-downloaded so long as a contain
er still exists for the function on the invoker.
## Related issue and scope
- [ ] I opened an issue to propose and discuss this change (#????)
## My changes affect the following components
- [ ] API
- [ ] Controller
- [ ] Message Bus (e.g., Kafka)
- [ ] Loadbalancer
- [ ] Scheduler
- [X] 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. -->
- [X] I signed an [Apache CLA](https://github.com/apache/openwhisk/blob/master/CONTRIBUTING.md).
- [X] I reviewed the [style guides](https://github.com/apache/openwhisk/blob/master/CONTRIBUTING.md#coding-standards) 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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[GitHub] [openwhisk] codecov-commenter commented on pull request #5327: Add Function Cache Refresh If Invoker Is Running Container For Function
Posted by GitBox <gi...@apache.org>.
codecov-commenter commented on PR #5327:
URL: https://github.com/apache/openwhisk/pull/5327#issuecomment-1260329017
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@@ Coverage Diff @@
## master #5327 +/- ##
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Files 239 239
Lines 14259 14271 +12
Branches 575 584 +9
==========================================
- Hits 11562 10896 -666
- Misses 2697 3375 +678
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[GitHub] [openwhisk] bdoyle0182 merged pull request #5327: Add Function Cache Refresh If Invoker Is Running Container For Function
Posted by GitBox <gi...@apache.org>.
bdoyle0182 merged PR #5327:
URL: https://github.com/apache/openwhisk/pull/5327
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[GitHub] [openwhisk] ningyougang commented on a diff in pull request #5327: Add Function Cache Refresh If Invoker Is Running Container For Function
Posted by GitBox <gi...@apache.org>.
ningyougang commented on code in PR #5327:
URL: https://github.com/apache/openwhisk/pull/5327#discussion_r981967808
##########
core/invoker/src/main/scala/org/apache/openwhisk/core/containerpool/v2/FunctionPullingContainerProxy.scala:
##########
@@ -768,6 +771,20 @@ class FunctionPullingContainerProxy(
stay()
}
+ whenUnhandled {
+ case Event(PingCache, data: WarmData) =>
+ val actionId = data.action.fullyQualifiedName(false).toDocId.asDocInfo(data.revision)
+ get(entityStore, actionId.id, actionId.rev, true).map(_ => {
Review Comment:
Improve the performance? to sync the action data from Couchdb with interval time.
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