Fixing bug with bedrock client caching #118177
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ymao1
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Hi @ymao1, I've created a changelog YAML for you. |
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Pinging @elastic/ml-core (Team:ML) |
jonathan-buttner
approved these changes
Dec 9, 2024
docs/changelog/118177.yaml
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| @@ -0,0 +1,6 @@ | |||
| pr: 118177 | |||
| summary: Fixing bug with bedrock client caching | |||
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Maybe something like: Fixing bedrock event executor terminated cache issue
| builtClient.resetExpiration(); | ||
| return builtClient; | ||
| return clientsCache.compute(modelHash, (hashKey, client) -> { | ||
| if (client == null) { |
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nit: I think we could collapse this to something like:
AmazonBedrockBaseClient clientToUse = client;
if (clientToUse == null) {
clientToUse = creator.apply(model, timeout);
}
clientToUse.setClock(clock);
clientToUse.resetExpiration();
return clientToUse;
| return builtClient; | ||
| } else { | ||
| // for testing | ||
| client.setClock(clock); |
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nit: This is completely unrelated to your PR but I wonder if we could refactor the client class' creator function to take the clock as a parameter so we can avoid the setClock() class here 🤔
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I did not tackle this comment in this PR but I left a code comment. Would you like me to open an issue?
💚 Backport successful
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ymao1
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* Fixing bug with bedrock client caching * Update docs/changelog/118177.yaml * PR feedback
elasticsearchmachine
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prwhelan
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* Fixing bug with bedrock client caching * Update docs/changelog/118177.yaml * PR feedback
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Resolves #117916
Summary
Fixes an order of operations bug with flushing the client cache and retrieving the client. Previously, we look in the cache for a client and return it, regardless of whether it is expired or not, and then we flush the cache of expired clients. This was causing the
event executor terminatederror. This PR changes the order so that we flush the cache of expired clients first and then we try to retrieve the client (creating a new one if the expired one was flushed).Updates the expiration date of the client if the client is used. This allows an actively used client to continue being cached. Previously, the client would be flushed every 5 minutes regardless of whether it's in use or not. If this is not the desired behavior, I can revert this change.