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ARROW-17263 [C++]: Utility functions for working with RLE

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zagto

ARROW-16000: [C++][Python] Dataset: Alternative implementation for adding transcoding function option to CSV scanner

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This is an alternative version of https://github.com/apache/arrow/pull/13709, to compare what the best approach is. Instead of extending the C++ ReadOptions struct with an `encoding` field, this implementations adds a python...

joosthooz

How to read a subset of columns from arrow ipc format file the fastest way?

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We are building a high performance training system, and we do care about the performance a lot. We store the training data in arrow ipc format file, say, there are...

code1704

Arrow Flight memory management

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Hi, everybody, Recently, I noticed that my Arrow Flight Server keeps a lot of resident memory (hundred of gigabytes) after ingestion of record batches via `DoPut` call. After debugging I...

Jokser

ARROW-17293: [Java][CI] Prune java nightly builds

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Prune java nightly builds

davisusanibar

ARROW-17371: [R] Remove as.factor to dictionary_encode mapping

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thisisnic

ARROW-17319: [Python] Update VCPKG to include updated aws-c-io

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Should solve https://issues.apache.org/jira/browse/ARROW-17319

mgeplf

ARROW-17289: [C++] Add type category membership checks

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See https://issues.apache.org/jira/browse/ARROW-17289

rtpsw

ARROW-16917: [C++][Gandiva] Add a Secondary Cache to cache gandiva object code

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Arrow gandiva has a primary cache but this cache doesn't persist across restarts. Integrate a new API in project and filter make calls that allow the user to specify the...

siddhantrao23

[cpp][parquet] Segmentation fault when open parquet file

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Hi, I am new to Arrow and Parquet. I installed Arrow 9.0.0 and Parquet following the guide in this repo. When I tried to open the parquet file using follow...

ex791857