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<@U6YPB4SJX>: how would you feel about replacing `DirectoryMaterializeMetadata` and `LoadMetadata` with metrics instead? we could store histograms of size or load time by source, for example.

Ideally this would all just come for free from tracing

it mostly does via workunits… although i’m not sure we want to create workunits per blob

<@U0N6C2Q9F> added infra for histograms last year: <https://github.com/pantsbuild/pants/blob/962c0624e7dc519c9e5aed32f20ad464534782b4/src/rust/engine/fs/store/src/local.rs#L300-L303>

<@U6YPB4SJX>: for your usecases, would you want the metrics rendered to stderr by fs_util?

Nah, I don't pay any attention to that output :slightly_smiling_face:

If I did, I'd probably want to export to an OpenTelemetery endpoint or similar