Issues

• Dispatcher paces the Event release rate so a fan-out past 1,000 workers drops no events inside the 60 s max event age

  blockedimplement
  englacial/zagg#671 · Filter by author espg opened on Oct 14, 2026

• Prune / Trim test suite

  implement
  englacial/zagg#669 · Filter by author espg opened on Oct 14, 2026
  2

• Lambda Benchmark red since 10-07: bench_objects does not model the Icechunk repo's objects (16 unrecognized icechunk/ keys on the hive arms)

  implement
  englacial/zagg#668 · Filter by author espg opened on Oct 14, 2026
  1

• windowed_emit_measure prices the stage leg from runner.STAGE_SWEEP_WORKER, and stage records carry lambda_memory_mb

  implement
  englacial/zagg#667 · Filter by author espg opened on Oct 13, 2026

• Flaky: test_invoke_fault_burns_an_attempt_and_retries fails under a loaded full-suite run (clock-sensitive)

  small-fix
  englacial/zagg#662 · Filter by author espg opened on Oct 13, 2026

• Design thread (pinned): store write shape — consolidated metadata, window-axis pyramid, Icechunk-native chunks

  discusswaiting
  englacial/zagg#656 · Filter by author espg opened on Oct 13, 2026
  1

• RELEASE BLOCKER (discuss): the dispatcher needs a canary wave and a circuit breaker

  implement
  englacial/zagg#652 · Filter by author espg opened on Oct 12, 2026
  3

• Windowed stores have no all-time member at the leaf-column levels: the all row is empty at cells 13-16 on v4

  implement
  englacial/zagg#649 · Filter by author espg opened on Oct 12, 2026
  2

• Recover stage-fold performance so the Lambda tail can run the ladder at tuple width 3

  discusswaiting
  englacial/zagg#641 · Filter by author espg opened on Oct 12, 2026
  1

• GEDI under the new template ladder: overview_delta (128 vs 512), probe-shard memory envelope for the rx_flux column fold, and the tier choice

  discusswaiting
  englacial/zagg#640 · Filter by author espg opened on Oct 12, 2026
  1

• The ~28 s no-op stage invoke: measure icechunk_s and cold start, then skip current nodes dispatcher-side

  discusswaiting
  englacial/zagg#636 · Filter by author espg opened on Oct 12, 2026
  1

• Icechunk manifest cuts after creation: ratchet, fixed, or an explicit rewrite in both directions

  discusswaiting
  englacial/zagg#634 · Filter by author espg opened on Oct 12, 2026
  1

• Test the all-time fold default on a windowed raster store

  small-fix
  englacial/zagg#633 · Filter by author espg opened on Oct 12, 2026

• Follow up items for the week of 2026-10-05

  discusswaiting
  englacial/zagg#630 · Filter by author espg opened on Oct 10, 2026
  1

• icechunk_ops declare-pyramid: give it the worker route finalize has (an operator with no bucket write grant cannot refresh the repo root)

  englacial/zagg#627 · Filter by author espg opened on Oct 10, 2026

• Coarse ladder nodes fold the whole subtree's relay partials: an order-0 node reads 18.9M cells (766 s), the dense order-1 node exceeds the 900 s wall; and the sweep must be the append's, not an operator call

  implementwaiting
  englacial/zagg#620 · Filter by author espg opened on Oct 8, 2026
  3

• Rectilinear grid: emit proj: and spatial: convention attrs instead of crs/resolution/bounds

  enhancementlow priority
  englacial/zagg#617 · Filter by author espg opened on Oct 8, 2026

• Follow up items for the week of 2026-09-28

  discusswaiting
  englacial/zagg#605 · Filter by author espg opened on Oct 3, 2026
  1

• Icechunk init: an init killed between its split-config save and its commit is never repaired

  low priority
  englacial/zagg#603 · Filter by author espg opened on Oct 2, 2026

• Measure one order-6 cell under yearly, quarterly and monthly windows (after the next fleet release)

  implement
  englacial/zagg#602 · Filter by author espg opened on Oct 2, 2026
  1

• A temporal record lost after the stamp is not healed by a re-run: let the stamp claim its record

  low priority
  englacial/zagg#599 · Filter by author espg opened on Oct 2, 2026

• Window-group dispatch units: split a big shard's windows across workers

  planwaiting
  englacial/zagg#596 · Filter by author espg opened on Oct 2, 2026
  1

• Lambda modes for the operator metadata operations (set-attrs, declare-pyramid) and the version collector

  englacial/zagg#594 · Filter by author espg opened on Oct 1, 2026

• Follow up items for the week of September 16–26, 2026

  discusswaiting
  englacial/zagg#592 · Filter by author espg opened on Sep 26, 2026
  1

• Windowed emit as the default writer mode: bulk per-shard multi-window leaves, morton once per shard, measured flip

  englacial/zagg#586 · Filter by author espg opened on Sep 26, 2026
  7