[DRAFT] Stabilizing Streams #1461
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* Streams API Work in progress * Streams - sector aligned bufferpool for index work in progress * sector aligned bufferpool integration works * testing code wip * bug fixed * fixed major bug in btree * updates * fixed memory alloc by reverting to Marshal.AllocHGlobal * code cleanup * delete passes * tying up the streams API * added command to RespCommandsInfo * basic test with XADD and XLEN works * added XRANGE and XDEL - basic tests work * fixed bug with stream id parsing/encode/decode * added ACL Tests * added RespStreamTests * minor cleanup * added cleaner command strings for incorrect arguments * cleanup; removed TRIM code * cleanup; added more documentation about node structure * more cleanup * reverted visibility change to ByteArrayComparer to instead use .Instance * removed most of Unsafe.AsPointer() instances from BTree code * swapped out memory allocation for B-tree to use NativeMemory.AlignedAlloc instead of Marshal.AllocHGlobal * cleanup; removed unused imports + commented out code. * bug fix - mismatch in allocates v/s deallocates for B-tree * updates fixing PR comments * reverted an earlier change in Build.props following PR comment + changes to fix build errors. * applied changes to propagate modified RESP3 output * added streams as an optional * formatting fixes * minor edit * fixed minor bug in keeping streams optional * cleanup * updated XADD to return bulk string * minor edits to error messages; used WriteAsciiBulkString for stream id output after XADD * added back code for BTreeTrim (work in progress) * fixed validCount bug in TrimByLength * fuxed bug on validCount propagation + trimByID * minor bug fix; added BTreeTrimTests * return headValidKey as ReadOnlySpan<byte> * cleanup * connecting XTRIM to Streams API * added XTrimTests * stream commands error out in case streams is disabled * cleanup + switched to ReadOnlySpan<byte> instead of byte[] where applicable * matched error messages to Redis documentation * added NOMKSTREAM support for XADD * updated docs * minor cleanup + refactor variable name * minor edit * minor bug fix - enableStreams for ACL tests in server setup * support exact and approximate trimming of index * added support for approximate trimming * minor doc update
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The original BTree and Streams code was written in the research branch by Raman Aneesh, and can be found in streams-original branch.
This PR aims to stabilize it with bugfixes, new features, and performance tuning.