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apache / arrow-rs Public

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[Parquet] perf: preallocate capacity for ArrayReaderBuilder - #9093

#9093

Merged

Dandandan merged 5 commits into

apache:mainapache/arrow-rs:mainfrom

lyang24:pre_allocate_view_veclyang24/arrow-rs:pre_allocate_view_vecCopy head branch name to clipboard

Apr 17, 2026

Conversation Commits5 (5)Checks Files changed

Merged

[Parquet] perf: preallocate capacity for ArrayReaderBuilder#9093
Dandandan merged 5 commits into
apache:mainfrom
lyang24:pre_allocate_view_vec

Commits

Commits on Mar 21, 2026

Minor: pre allocate view vec
lyang24
committed
Pass down batch_size from ArrowReaderBuilder through ArrayReaderBuilder.Ensure internal buffers to be pre-allocated.
lyang24
committed
made the value buffer optional and made the initialization on read to avoid allocate one extra buffer at the end
lyang24
committed

Commits on Apr 12, 2026

Optimize dict decode and view writes

lyang24
and
claude
committed

Commits on Apr 16, 2026

Merge branch 'main' into pre_allocate_view_vec
alamb
authored

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