Issues

• Nightly Docker image build failed

  apache/datafusion-ballista#2712 · Filter by author github-actions opened on Oct 30, 2026

• [Roadmap] Distributed Runtime Filter Hub

  apache/datafusion-ballista#2700 · Filter by author wirybeaver opened on Oct 30, 2026

• Tasks bound in launch_tasks are orphaned when the executor metadata lookup fails

  apache/datafusion-ballista#2691 · Filter by author andygrove opened on Oct 29, 2026

• Bound the total hash join build memory of a pipelined job

  enhancement
  apache/datafusion-ballista#2690 · Filter by author andygrove opened on Oct 29, 2026

• feat: option to disable Python UDF decoding on BallistaScheduler and BallistaExecutor

  apache/datafusion-ballista#2688 · Filter by author andygrove opened on Oct 28, 2026
  1

  

• docs: document the trust model for Python UDFs on Python-started clusters

  apache/datafusion-ballista#2687 · Filter by author andygrove opened on Oct 28, 2026

• Let hash shuffles assign rows to partitions with a client's own hash function

  enhancement
  apache/datafusion-ballista#2681 · Filter by author andygrove opened on Oct 28, 2026

• Static planner drops a RepartitionExec with range partitioning instead of planning a range shuffle

  correctnessenhancement
  apache/datafusion-ballista#2680 · Filter by author andygrove opened on Oct 28, 2026

• Let custom ExecutionPlan nodes restrict themselves to a task's partitions

  enhancement
  apache/datafusion-ballista#2679 · Filter by author andygrove opened on Oct 28, 2026

• Run submitted physical plans through the adaptive planner

  enhancement
  apache/datafusion-ballista#2678 · Filter by author andygrove opened on Oct 28, 2026

• Shuffle reader locations carry a full ExecutorMetadata per partition

  apache/datafusion-ballista#2675 · Filter by author andygrove opened on Oct 27, 2026

• Pipelined writer: lock-free coalescing and non-blocking fan-out sends

  apache/datafusion-ballista#2674 · Filter by author andygrove opened on Oct 27, 2026

• Bound the executor client pool's shared connection slots

  apache/datafusion-ballista#2673 · Filter by author andygrove opened on Oct 27, 2026

• Account for pipelined exchange buffers in the DataFusion memory pool

  apache/datafusion-ballista#2672 · Filter by author andygrove opened on Oct 27, 2026

• Collect HyperLogLog distinct counts on shuffle writes and surface them to AQE

  enhancement
  apache/datafusion-ballista#2665 · Filter by author andygrove opened on Oct 26, 2026
  

• [EPIC] Improve TPC-H q21 performance at SF1000

  enhancement
  apache/datafusion-ballista#2662 · Filter by author andygrove opened on Oct 26, 2026
  1

• Design: optional pipelined execution mode (all tasks placed up front, streaming exchange)

  enhancementperformance
  apache/datafusion-ballista#2652 · Filter by author andygrove opened on Oct 26, 2026
  6

• [DISCUSS] Proposal to donate distributed-datafusion to Apache DataFusion

  apache/datafusion-ballista#2634 · Filter by author andygrove opened on Oct 20, 2026
  2

• [Iceberg] Run a job's final commit step on the scheduler, not an executor

  apache/datafusion-ballista#2622 · Filter by author NoahKusaba opened on Oct 18, 2026
  7

• Plug into DataFusion Python natively through a custom FFI query planner

  api-changepython
  apache/datafusion-ballista#2618 · Filter by author milenkovicm opened on Oct 18, 2026

• [EPIC] Reduce complexity and duplication hotspots in Ballista

  enhancementhelp wantedtech debt
  apache/datafusion-ballista#2606 · Filter by author andygrove opened on Oct 14, 2026
  2

• TUI: collapse repeated sort-order blocks in JobsData::sort_jobs and share table scrolling helpers

  enhancementgood first issuehelp wantedtech debtTUI
  apache/datafusion-ballista#2605 · Filter by author andygrove opened on Oct 14, 2026
  4

• BallistaClient: share retry logic between execute_do_get and execute_do_action_with_header, and don't panic when io_retries_times is 0

  enhancementgood first issuehelp wantedrusttech debt
  apache/datafusion-ballista#2604 · Filter by author andygrove opened on Oct 14, 2026

• TUI: unify App::on_key and App::on_key_sync so key handling lives in one place

  enhancementhelp wantedtech debtTUI
  apache/datafusion-ballista#2602 · Filter by author andygrove opened on Oct 14, 2026
  1

• Deduplicate execute_query_pull and execute_query_push in DistributedQueryExec

  enhancementhelp wantedrusttech debt
  apache/datafusion-ballista#2598 · Filter by author andygrove opened on Oct 14, 2026
  1