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add merkle.flushDirty.outstanding_pages metric to docs (hashicorp#16530)
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@ccapurso
ccapurso authored Aug 2, 2022
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27 changes: 14 additions & 13 deletions website/content/docs/internals/telemetry.mdx
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Expand Up @@ -203,19 +203,20 @@ These metrics relate to rate limit and lease count quotas. Each metric comes wit

These metrics relate to internal operations on Merkle Trees and Write Ahead Logs (WAL)

| Metric | Description | Unit | Type |
| :-------------------------------------- | :-------------------------------------------------------------------------- | :---- | :------ |
| `vault.merkle.flushDirty` | Time taken to flush any dirty pages to cold storage | ms | summary |
| `vault.merkle.flushDirty.num_pages` | Number of pages flushed | pages | gauge |
| `vault.merkle.saveCheckpoint` | Time taken to save the checkpoint | ms | summary |
| `vault.merkle.saveCheckpoint.num_dirty` | Number of dirty pages at checkpoint | pages | gauge |
| `vault.wal.deleteWALs` | Time taken to delete a Write Ahead Log (WAL) | ms | summary |
| `vault.wal.gc.deleted` | Number of Write Ahead Logs (WAL) deleted during each garbage collection run | WAL | gauge |
| `vault.wal.gc.total` | Total Number of Write Ahead Logs (WAL) on disk | WAL | gauge |
| `vault.wal.loadWAL` | Time taken to load a Write Ahead Log (WAL) | ms | summary |
| `vault.wal.persistWALs` | Time taken to persist a Write Ahead Log (WAL) | ms | summary |
| `vault.wal.flushReady` | Time taken to flush a ready Write Ahead Log (WAL) to storage | ms | summary |
| `vault.wal.flushReady.queue_len` | Size of the write queue in the WAL system | WAL | summary |
| Metric | Description | Unit | Type |
| :------------------------------------------ | :-------------------------------------------------------------------------- | :---- | :------ |
| `vault.merkle.flushDirty` | Time taken to flush any dirty pages to cold storage | ms | summary |
| `vault.merkle.flushDirty.num_pages` | Number of pages flushed | pages | gauge |
| `vault.merkle.flushDirty.outstanding_pages` | Number of pages that were not flushed | pages | gauge |
| `vault.merkle.saveCheckpoint` | Time taken to save the checkpoint | ms | summary |
| `vault.merkle.saveCheckpoint.num_dirty` | Number of dirty pages at checkpoint | pages | gauge |
| `vault.wal.deleteWALs` | Time taken to delete a Write Ahead Log (WAL) | ms | summary |
| `vault.wal.gc.deleted` | Number of Write Ahead Logs (WAL) deleted during each garbage collection run | WAL | gauge |
| `vault.wal.gc.total` | Total Number of Write Ahead Logs (WAL) on disk | WAL | gauge |
| `vault.wal.loadWAL` | Time taken to load a Write Ahead Log (WAL) | ms | summary |
| `vault.wal.persistWALs` | Time taken to persist a Write Ahead Log (WAL) | ms | summary |
| `vault.wal.flushReady` | Time taken to flush a ready Write Ahead Log (WAL) to storage | ms | summary |
| `vault.wal.flushReady.queue_len` | Size of the write queue in the WAL system | WAL | summary |

## HA Metrics

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