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cxymds
df30dff1a7
* feat(storage): complete Snowball and capacity follow-ups * fix(ecstore): clarify V3 capacity gate guidance * fix(ecstore): keep target contention retryable * fix(ecstore): preserve typed target lock errors * fix(ecstore): harden decommission recovery * fix(ecstore): close decommission recovery races * fix(ecstore): fail closed on multipart cleanup gaps * fix(ecstore): model capacity mutation parameters * fix(ecstore): settle checkpoint capacity retries
37 lines
1.7 KiB
Markdown
37 lines
1.7 KiB
Markdown
# Snowball Auto-Extract Limits
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RustFS accepts MinIO-compatible Snowball auto-extract uploads. Archive
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members are streamed into objects while RustFS enforces entry-count, path,
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PAX metadata, per-object, cumulative unpacked-size, and decoded-stream
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limits.
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## Size limits
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The defaults remain compatible with the existing safety policy:
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| Environment variable | Default | Hard maximum | Meaning |
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| --- | ---: | ---: | --- |
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| `RUSTFS_SNOWBALL_MAX_ENTRY_BYTES` | 1 GiB | 1 TiB | Maximum unpacked size of one archive member |
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| `RUSTFS_SNOWBALL_MAX_UNPACKED_BYTES` | 10 GiB | 10 TiB | Maximum cumulative unpacked object bytes in one request |
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Invalid values use the default. Zero is treated as one byte, values above the
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hard maximum are clamped, and the per-entry limit is never allowed to exceed
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the cumulative request limit. RustFS derives a separate decoded-stream limit
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with bounded room for tar headers and PAX metadata; it cannot be disabled.
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Increasing either limit raises the maximum work performed by one admitted
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request. Snowball archive decoder admission remains globally bounded, so a
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larger archive cannot create an unbounded number of concurrent decoders.
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Restart RustFS after changing these environment variables.
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## Small-member concurrency
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For requests that set Snowball ignore-errors and do not use bucket quota
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accounting, RustFS stages members up to 128 KiB and commits at most 16 at a
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time. Requests that must stop on the first write error and quota-enabled
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requests remain serial so their observable error and accounting behavior does
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not change.
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Set `RUSTFS_SNOWBALL_EXTRACT_MAX_INFLIGHT=1` to restore fully serial member
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commits. Values are clamped to the range 1 through 16.
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