searcher: prometheus gauge for SEARCHER_CACHE_SIZE_MB (!36162) · Merge requests · Warren Gifford / sourcegraph

Warren Gifford requested to merge k/searcher-max-cache into k/searcher-metric-prefix May 27, 2022

Created by: keegancsmith

This is to allow us to create a dashboard which includes the configured maximum size of the cache or make a percentage of cache used. This will make it easier to check admin configurations, since we don't need to check the configuration we can just check the dashboard.

Test Plan: started locally and checked the value of searcher_store_max_cache_size_bytes in the metrics page for searcher.

Depends on https://github.com/sourcegraph/sourcegraph/pull/36161

Part of https://github.com/sourcegraph/sourcegraph/issues/34828

searcher: prometheus gauge for SEARCHER_CACHE_SIZE_MB

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