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58fa4f0eb7
This patch adds basic access statistics for historic layers
and exposes them in the management API's `LayerMapInfo`.
We record the accesses in the `{Delta,Image}Layer::load()` function
because it's the common path of
* page_service (`Timline::get_reconstruct_data()`)
* Compaction (`PersistentLayer::iter()` and `PersistentLayer::key_iter()`)
The stats survive residence status changes, and record these as well.
When scraping the layer map endpoint to record its evolution over time,
one must account for stat resets because they are in-memory only and
will reset on pageserver restart.
Use the launch timestamp header added by (#3527) to identify pageserver restarts.
This is PR https://github.com/neondatabase/neon/pull/3496
87 lines
2.3 KiB
TOML
87 lines
2.3 KiB
TOML
[package]
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name = "pageserver"
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version = "0.1.0"
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edition.workspace = true
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license.workspace = true
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[features]
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default = []
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# Enables test-only APIs, incuding failpoints. In particular, enables the `fail_point!` macro,
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# which adds some runtime cost to run tests on outage conditions
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testing = ["fail/failpoints"]
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[dependencies]
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anyhow.workspace = true
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async-stream.workspace = true
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async-trait.workspace = true
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byteorder.workspace = true
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bytes.workspace = true
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chrono = { workspace = true, features = ["serde"] }
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clap = { workspace = true, features = ["string"] }
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close_fds.workspace = true
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const_format.workspace = true
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consumption_metrics.workspace = true
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crc32c.workspace = true
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crossbeam-utils.workspace = true
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fail.workspace = true
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futures.workspace = true
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git-version.workspace = true
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hex.workspace = true
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humantime.workspace = true
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humantime-serde.workspace = true
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hyper.workspace = true
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itertools.workspace = true
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nix.workspace = true
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num-traits.workspace = true
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once_cell.workspace = true
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pin-project-lite.workspace = true
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postgres.workspace = true
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postgres-protocol.workspace = true
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postgres-types.workspace = true
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rand.workspace = true
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regex.workspace = true
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scopeguard.workspace = true
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serde.workspace = true
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serde_json = { workspace = true, features = ["raw_value"] }
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serde_with.workspace = true
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signal-hook.workspace = true
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svg_fmt.workspace = true
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tokio-tar.workspace = true
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thiserror.workspace = true
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tokio = { workspace = true, features = ["process", "sync", "fs", "rt", "io-util", "time"] }
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tokio-postgres.workspace = true
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tokio-util.workspace = true
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toml_edit.workspace = true
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tracing.workspace = true
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url.workspace = true
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walkdir.workspace = true
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metrics.workspace = true
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pageserver_api.workspace = true
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postgres_connection.workspace = true
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postgres_ffi.workspace = true
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pq_proto.workspace = true
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remote_storage.workspace = true
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storage_broker.workspace = true
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tenant_size_model.workspace = true
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utils.workspace = true
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workspace_hack.workspace = true
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reqwest.workspace = true
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rpds.workspace = true
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enum-map.workspace = true
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enumset.workspace = true
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strum.workspace = true
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strum_macros.workspace = true
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[dev-dependencies]
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criterion.workspace = true
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hex-literal.workspace = true
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tempfile.workspace = true
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[[bench]]
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name = "bench_layer_map"
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harness = false
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[[bench]]
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name = "bench_walredo"
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harness = false
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