towerops/vendor/oban_pro/usage-rules/chunks.md
Graham McIntire 6c05d45dd6 deps: upgrade oban_pro to 1.7.0
Bumps vendored Oban Pro from 1.6.13 to 1.7.0, which transitively bumps
oban core to 2.22.1 (requires migrations v14) and db_connection to 2.10.0.

- mix.exs constraint: ~> 1.6 → ~> 1.7
- vendor/oban_pro/ replaced with v1.7.0 hex package
- migration 20260430142200: Oban core v12 → v14 (must run first)
- migration 20260430142241: Oban Pro 1.7.0 schema additions

Also corrects a pre-existing constraint name in AgentAssignment that was
left stale by the equipment→devices rename migration (20260117190134).
The unique index is named agent_assignments_device_id_index, but the
schema's unique_constraint/3 still pointed at the old equipment_id name,
causing the test suite to surface Ecto.ConstraintError instead of a
changeset error. Required to get the suite green for this upgrade.
2026-04-30 10:26:18 -05:00

881 B

Chunks

Chunks process jobs in groups based on size or timeout. Use for bulk operations and batched API calls.

defmodule MyApp.BulkIndexer do
  use Oban.Pro.Chunk, size: 100, timeout: 5_000

  @impl true
  def process([_ | _] = jobs) do
    jobs
    |> Enum.map(& &1.args["document"])
    |> MyApp.Search.bulk_index()

    :ok
  end
end

Options

  • size: 100 — process up to 100 jobs at once (default)
  • timeout: 1000 — process after 1 second even if size not reached (default)
  • by: [args: :tenant_id] — partition chunks by field

Return values

:ok                           # All jobs succeeded
{:ok, result}                 # All jobs succeeded with result
{:error, reason, failed_jobs} # Some jobs failed, others succeed
{:cancel, reason, jobs}       # Cancel specific jobs
{:snooze, seconds, jobs}      # Snooze specific jobs