[Feature] Add Distributed Posting Router for SPANN#448

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TerrenceZhangX wants to merge 12 commits into

users/qiazh/pre-merge-tikv-bugfixfrom

users/zhangt/merge-distributed-to-tikv

Commits on May 20, 2026

Replay distributed work onto users/qiazh/pre-merge-tikv-bugfix

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TerrenceZhangX
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Fix unneede diff
TerrenceZhangX
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Remove unused stride-shard experiment

TerrenceZhangX
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Copilot
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InsertVectors: dedupe branches, log InsertThreadNum ignore in bulk path

TerrenceZhangX
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Copilot
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Restore (layers+1) multiplier in BlockController IO queue size

TerrenceZhangX
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Copilot
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SetVersionBatch: bypass LRU cache, read TiKV directly

TerrenceZhangX
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Copilot
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Drop high-priority job queue from SPDKThreadPool

TerrenceZhangX
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Copilot
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Fix space
TerrenceZhangX
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Fix distributed benchmark README + drop dead orchestrator code

TerrenceZhangX
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Copilot
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README: clarify driver = worker 0 + dispatcher; workers peer-to-peer

TerrenceZhangX
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Copilot
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README: drop unused TiKV pre-split helper section

TerrenceZhangX
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Copilot
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Clean comment
TerrenceZhangX
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