[ML] Cache Inference Endpoints #133860
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[ML] Cache Inference Endpoints #133860
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Maintain parsed Inference Endpoints in memory for reuse. Endpoints are cached on first access and expire after write. This removes search pressure during inference, bypassing search requests to system indices for repeated model access. When any endpoint is updated or deleted, the whole cache is invalidated and must be reloaded. Cache can be configured with three settings: - `xpack.inference.cache.enabled` enables or disables the cache (default enabled). - `xpack.inference.cache.weight` controls how many endpoints can live in the cache (default 25). - `xpack.inference.cache.expiry_time` controls how long endpoints live in the cache, measured from when they are first accessed (default 15 minutes, minimum 1 minute, maximum 1 hour). Resolve elastic#133135
prwhelan
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>enhancement
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Hi @prwhelan, I've created a changelog YAML for you. |
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Pinging @elastic/ml-core (Team:ML) |
.../main/java/org/elasticsearch/xpack/inference/registry/ClearInferenceEndpointCacheAction.java
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x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/inference/SerializableStats.java
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x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/InferencePlugin.java
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...ence/src/main/java/org/elasticsearch/xpack/inference/registry/InferenceEndpointRegistry.java
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...src/test/java/org/elasticsearch/xpack/inference/registry/InferenceEndpointRegistryTests.java
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.../main/java/org/elasticsearch/xpack/inference/registry/ClearInferenceEndpointCacheAction.java
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.../main/java/org/elasticsearch/xpack/inference/registry/ClearInferenceEndpointCacheAction.java
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davidkyle
reviewed
Sep 8, 2025
x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/inference/SerializableStats.java
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x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/InferencePlugin.java
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...ence/src/main/java/org/elasticsearch/xpack/inference/registry/InferenceEndpointRegistry.java
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davidkyle
approved these changes
Sep 9, 2025
...c/main/java/org/elasticsearch/xpack/core/inference/action/GetInferenceDiagnosticsAction.java
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...ce-tests/src/javaRestTest/java/org/elasticsearch/xpack/inference/CreateFromDeploymentIT.java
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.../main/java/org/elasticsearch/xpack/inference/registry/ClearInferenceEndpointCacheAction.java
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jonathan-buttner
approved these changes
Sep 9, 2025
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Maintain parsed Inference Endpoints in memory for reuse. Endpoints are cached on first access and expire after write. This removes search pressure during inference, bypassing search requests to system indices for repeated model access. When any endpoint is updated or deleted, the whole cache is invalidated and must be reloaded.
Cache can be configured with three settings:
xpack.inference.cache.enabledenables or disables the cache (default enabled).xpack.inference.cache.weightcontrols how many endpoints can live in the cache (default 25).xpack.inference.cache.expiry_timecontrols how long endpoints live in the cache, measured from when they are first accessed (default 15 minutes, minimum 1 minute, maximum 1 hour).Resolve #133135