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There is double buffering in remote_storage and in pageserver for 8KiB in using `tokio::io::copy` to read `BufReader<ReaderStream<_>>`. Switches downloads and uploads to use `Stream<Item = std::io::Result<Bytes>>`. Caller and only caller now handles setting up buffering. For reading, `Stream<Item = ...>` is also a `AsyncBufRead`, so when writing to a file, we now have `tokio::io::copy_buf` reading full buffers and writing them to `tokio::io::BufWriter` which handles the buffering before dispatching over to `tokio::fs::File`. Additionally implements streaming uploads for azure. With azure downloads are a bit nicer than before, but not much; instead of one huge vec they just hold on to N allocations we got over the wire. This PR will also make it trivial to switch reading and writing to io-uring based methods. Cc: #5563.
43 lines
1.1 KiB
TOML
43 lines
1.1 KiB
TOML
[package]
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name = "remote_storage"
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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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[dependencies]
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anyhow.workspace = true
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async-trait.workspace = true
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once_cell.workspace = true
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aws-smithy-async.workspace = true
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aws-smithy-types.workspace = true
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aws-config.workspace = true
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aws-sdk-s3.workspace = true
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aws-credential-types.workspace = true
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bytes.workspace = true
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camino.workspace = true
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hyper = { workspace = true, features = ["stream"] }
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futures.workspace = true
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serde.workspace = true
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serde_json.workspace = true
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tokio = { workspace = true, features = ["sync", "fs", "io-util"] }
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tokio-util = { workspace = true, features = ["compat"] }
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toml_edit.workspace = true
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tracing.workspace = true
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scopeguard.workspace = true
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metrics.workspace = true
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utils.workspace = true
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pin-project-lite.workspace = true
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workspace_hack.workspace = true
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azure_core.workspace = true
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azure_identity.workspace = true
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azure_storage.workspace = true
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azure_storage_blobs.workspace = true
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futures-util.workspace = true
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http-types.workspace = true
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itertools.workspace = true
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[dev-dependencies]
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camino-tempfile.workspace = true
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test-context.workspace = true
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rand.workspace = true
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