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Adds documentation for new tiered spillover cache policy setting #9374

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Merged
merged 3 commits into from
Mar 18, 2025
Merged

Adds documentation for new tiered spillover cache policy setting #9374

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a757085
add new TSC policy setting
Mar 7, 2025
a29d4f1
Update _search-plugins/caching/tiered-cache.md
peteralfonsi Mar 12, 2025
b64b790
Update _search-plugins/caching/tiered-cache.md
peteralfonsi Mar 12, 2025
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3 changes: 2 additions & 1 deletion _search-plugins/caching/tiered-cache.md
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Expand Up @@ -88,7 +88,8 @@ The following table lists additional settings for the `tiered_spillover` store s

Setting | Data type | Default | Description
:--- | :--- | :--- | :---
`indices.requests.cache.tiered_spillover.disk.store.policies.took_time.threshold` | Time unit | `10ms` | A policy used to determine whether to cache a query into a disk cache based on its took time. This is a dynamic setting. Optional.
`indices.requests.cache.tiered_spillover.policies.took_time.threshold` | Time unit | `0ms` | A policy used to determine whether to cache a query into the cache based on its query phase execution time. This is a dynamic setting. Optional.
`indices.requests.cache.tiered_spillover.disk.store.policies.took_time.threshold` | Time unit | `10ms` | A policy used to determine whether to cache a query into the disk tier of the cache based on its query phase execution time. This is a dynamic setting. Optional.
`indices.requests.cache.tiered_spillover.disk.store.enabled` | Boolean | `True` | Enables or disables the disk cache dynamically within a tiered spillover cache. Note: After disabling a disk cache, entries are not removed automatically and requires the cache to be manually cleared. Optional.
`indices.requests.cache.tiered_spillover.onheap.store.size` | Percentage | 1% of the heap size | Defines the size of the on-heap cache within tiered cache. Optional.
`indices.requests.cache.tiered_spillover.disk.store.size` | Long | `1073741824` (1 GB) | Defines the size of the disk cache within tiered cache. Optional.
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