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Posted to issues@spark.apache.org by "Yicong Huang (Jira)" <ji...@apache.org> on 2026/09/25 01:30:00 UTC

[jira] [Assigned] (SPARK-59755) Add ASV benchmarks for Arrow incremental aggregate and window UDF eval types

     [ https://issues.apache.org/jira/browse/SPARK-59755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yicong Huang reassigned SPARK-59755:
------------------------------------

    Assignee: Yicong Huang

> Add ASV benchmarks for Arrow incremental aggregate and window UDF eval types
> ----------------------------------------------------------------------------
>
>                 Key: SPARK-59755
>                 URL: https://issues.apache.org/jira/browse/SPARK-59755
>             Project: Spark
>          Issue Type: Sub-task
>          Components: PySpark
>    Affects Versions: 5.0.0
>            Reporter: Yicong Huang
>            Assignee: Yicong Huang
>            Priority: Major
>              Labels: pull-request-available
>
> Add ASV microbenchmarks to python/benchmarks/bench_eval_type.py for the three Arrow-native incremental Aggregator eval types, which have no worker microbenchmark today: SQL_GROUPED_AGG_ARROW_INCREMENTAL_PARTIAL_UDF (255), SQL_GROUPED_AGG_ARROW_INCREMENTAL_FINAL_UDF (256) and SQL_WINDOW_AGG_ARROW_INCREMENTAL_UDF (257). Each gets a _*BenchMixin driving worker_main over the mock wire protocol plus Time/Peakmem subclasses, following the existing pattern; the UDF payload is a cloudpickled incremental Aggregator (zero/reduce/merge/finish + bufferSchema). Scenarios: PARTIAL few keys vs many keys hitting the maxRecordsPerBatch cap flush; FINAL many groups of struct partial buffers including null buffer rows; WINDOW unbounded, running (running-buffer extension) and sliding (refold) frames. Benchmark-only, no product change; enables before/after measurement of the SPARK-59727 migration.



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