---
title: "Instrument catalog - Metrics"
url: "https://nsta1.github.io/Orleans.Lattice/docs/lattice/metrics/instrument-catalog.html"
source: "https://github.com/NSTA1/Orleans.Lattice/blob/release/9.9/docs/lattice/metrics.md?plain=1#L172-L173"
package: "Orleans.Lattice"
version: "9.9.0"
documents: "Orleans.Lattice 9.9.0 (release line 9.9)"
built: "2026-10-04"
all-pages: "https://nsta1.github.io/Orleans.Lattice/llms.txt"
bundle: "https://nsta1.github.io/Orleans.Lattice/docs/lattice/llms-full.txt"
---
# Instrument catalog

Part of [Metrics](../metrics.md).

## Contents

- [Process identity to Shard-level and tree registry](instrument-catalog-1.md)
- [Leaf-level (sourced from BPlusLeafGrain)](instrument-catalog-2.md)
- [Snapshot cursors (sourced from SnapshotLeafGrain / snapshot-cursor open path)](instrument-catalog-3.md)
- [WAL garbage collector (sourced from LatticeWalGc)](instrument-catalog-4.md)
- [WAL compaction (sourced from FileWalShard) to Foreground read envelopes (sourced from LatticeGrain)](instrument-catalog-5.md)
- [Shard-root SetManyAsync decomposition (sourced from ShardRootGrain) to WAL append pipeline (sourced from WalShardGrain and WalCommitLogWriter)](instrument-catalog-6.md)
- [Storage-provider commit pipeline to Grain-call observation (opt-in)](instrument-catalog-7.md)

Previous: [Tag conventions](tag-conventions.md). Next: [Instrument catalog: Process identity to Shard-level and tree registry](instrument-catalog-1.md). Contents: [Metrics](../metrics.md).