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rpcv2: getEvents read-path performance across both tiers - #968

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tamirms wants to merge 41 commits into

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events-hot-8k-blocks

Commits on Sep 9, 2026
- events: 8 KiB DataCF blocks — the block is getEvents' decompression unit
  
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- events: batch arenas for fetched payload copies; page-sized first match batch
  
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- events: ascending match pulls candidates through a cursor tree — no materialized union
  
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- events: bound the intersect gallop — rarest group leads, overrun spills to bulk AND
  
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- deps: roaring v2.18.2 -> v2.26.0 — bulk aggregation without the pre-OR clone
  
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- events: lock the cold fetch arena against packfile fan-out
  
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- query: cold events reads fan out over the packfiles — Concurrency=8
  
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- events: mmap the MPHF — the page cache is the cross-request index cache
  
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- packfile: pool the open path — recycle offsets, decode scratch, and open buffers
  
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- review: the cold fan-out seam is a real Registry field; two test gaps
  
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- review: Matches doc — the hint cap, not the default, handles oversized firstBatch
  
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- lint: CI findings — WaitGroup.Go, funcorder on the read handshake, arena_test trio
  
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- lint: prealloc the arena test's expectation slices
  
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- review: the fan-out knob is deployment-reachable; the arena's first chunk ramps
  
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- events: trim this branch's comments to contracts
  
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- query: the fan-out doc names its override
  
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- events: pin the postings accessors' freshness against the lazy dense snapshot
  
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- query: drop the cold fan-out override — the constant is the contract
  
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- packfile: a pool size miss returns the buffer; the offsets cap states its bound
  
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- events, deps: comments that describe what the code actually does
  
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- events: pin roaring's read-only argument contract for shared index bitmaps
  
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- events: a slab-stepped match engine beside the cursor tree, proved byte-identical
  
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- events: the slab walk is the match engine — drop the cursor tree and the descending union
  
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- events: one oracle for the match path — drop the benchmarks and the twin suites
  
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- events: LookupKeys is the only index path — drop the postings seam
  
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- events: the slab walk skips slabs it can prove hold no candidate
  
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- events: union the per-filter slab results in place
  
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- packfile: count the pooled buffers a capacity cap drops
  
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- events: the slab walk holds the bounds it proves
  
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- observability: export the packfile pool cap-skip counter
  
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- events: one buffer for the hot fetch's key list
  
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- rocksdb: build the batched read's options once, at open
  
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- rocksdb: read each pinned value once in the batched get
  
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- events: the fetch hint is a validated page size, honored in full
  
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- packfile: return the pooled offsets on every failed open
  
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- events: compare whole payloads in the fan-out test; fix two stale test comments
  
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- rpcv2: trim the comments this branch added
  
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- event: trim the test suite and its comments
  
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- event: preallocate the value-search results in the roaring race gate
  
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Commits on Sep 12, 2026
- event: evaluate each slab with one FastAnd per plan
  
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- event: say what the pinned FastAnd allocates in eval's doc
  
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Commits

Commits on Sep 9, 2026

Commits on Sep 12, 2026