chore: merge train for nonblocking-appendable/** branches#3231

Merged

BenWhitehead merged 26 commits intomainfrom

nonblocking-appendable/99/merge-train

Aug 20, 2025

Commits on Aug 11, 2025

chore: add BidiUploadState
BenWhitehead
committed
chore: add BidiUploadStreamingStream
BenWhitehead
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chore: add BidiAppendableUnbufferedWritableByteChannel
BenWhitehead
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chore: make MinFlushBufferedWritableByteChannel capable of being non-blocking
BenWhitehead
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chore: new bidi appendable channel bootstrappable
BenWhitehead
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chore: remove old appendble upload implementation
BenWhitehead
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test: refactor existing appendable upload tests to work with new implementation
BenWhitehead
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chore: remove obsolete internal hasher option
BenWhitehead
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docs: note FlushPolicy.MaxFlushSizeFlushPolicy has a better option
BenWhitehead
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docs: update BlobAppendableUpload.AppendableUploadWriteableByteChannel to indicate it is non-blocking
BenWhitehead
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feat: add StorageNonBlockingChannelUtils
BenWhitehead
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fix: fix otel span lifetime for BlobAppendableUpload
BenWhitehead
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chore: update some retry/takeover tests and initialization after reviewing semantics
BenWhitehead
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Commits on Aug 12, 2025

chore: make BlobAppendableUpload.AppendableUploadWriteableByteChannel#write non-blocking even when accessed from multiple threads
BenWhitehead
committed

Commits on Aug 19, 2025

Commits on Aug 20, 2025

chore: update BidiUploadStreamingStream to avoid enqueuing multiple equivalent flushes
BenWhitehead
committed