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Add cache miss and read metrics#132497

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henningandersen merged 10 commits intoelastic:mainfrom
henningandersen:add_cache_read_miss_metrics
Aug 7, 2025
Merged

Add cache miss and read metrics#132497
henningandersen merged 10 commits intoelastic:mainfrom
henningandersen:add_cache_read_miss_metrics

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@henningandersen
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Fix up the reads metric to also consider tryRead accessing a new region as a read/hit. Add cache miss metric that only increments once per region per read. Add a miss ratio as well for easy querying.

Fix up the reads metric to also consider tryRead accessing a new region
as a read/hit. Add cache miss metric that only increments once per region
per read. Add a miss ratio as well for easy querying.
@elasticsearchmachine elasticsearchmachine added the Team:Distributed Indexing (obsolete) Meta label for Distributed Indexing team. Obsolete. Please do not use. label Aug 6, 2025
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Pinging @elastic/es-distributed-indexing (Team:Distributed Indexing)

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Hi @henningandersen, I've created a changelog YAML for you.

@elasticsearchmachine elasticsearchmachine added the serverless-linked Added by automation, don't add manually label Aug 6, 2025
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@tlrx tlrx left a comment

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LGTM

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@andreidan andreidan left a comment

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LGTM, thanks Henning

@henningandersen henningandersen merged commit 444c5f2 into elastic:main Aug 7, 2025
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Thanks both!

breskeby pushed a commit to breskeby/elasticsearch that referenced this pull request Feb 11, 2026
Test for elastic#132497 as well as unmuting an erroneously muted test
breskeby pushed a commit to breskeby/elasticsearch that referenced this pull request Feb 11, 2026
Test for elastic#132497 as well as unmuting an erroneously muted test
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:Distributed/Searchable Snapshots Searchable snapshots / frozen indices. >enhancement serverless-linked Added by automation, don't add manually Team:Distributed Indexing (obsolete) Meta label for Distributed Indexing team. Obsolete. Please do not use. v9.2.0

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