feat(stresstest): Add multipart capability#470
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multipart configuration
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multipart configurationmultipart capability
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Add a `multipart` config for stresstest workloads that uses the multipart upload API for objects larger than 1 KiB. Part uploads run concurrently via buffer_unordered, with chunks read lazily from the payload to bound memory usage. Includes validation (part_size >= 5 MiB, not compatible with batch mode) and a README documenting all configuration options.
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Adds an optional
multipartconfig block for stresstest workloads that exercises the new multipart uploads feature.When enabled, writes for objects >1 KiB use multipart uploads with the configured part size and concurrency.
This can be used in both
weightedandthroughputmode, but not inbatchmode, as that wouldn't make any sense.Also adds a
README.mdthat documents the meaning of all stresstest options and when they can/should be used.Part of FS-343