Batching support #569
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Batching support #569
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Skeleton code for batched handling, to be tested Basic skeleton test Ensure that no conflicting options/handlers are configured Move the module compilation test into describe block Add code to do error handling on batches (untested) Add tests for batching error handling Allow ack_events to take a list of events and acknowledge last event batch handler telemetry error handling fixes Update support batch handler logic Add batch handler telemetry tests Align naming of batch handler test module Update retry logic Update tests Add configuration test for ensuring batch_size and concurrency not test at same time Fix handle_batch comparison and add test case Add tests for handle_batch state and update last_event_seen logic Remove list implementation for InMemory#ack_event/3 Minor update for event_handler_batch_state_test Document handle_batch/2 for state update Add more event handler test coverage - upcast test for handle_batch/2 - batch_reset_event_handler_test Do not retry if :skip is received Commanded.options() -> Commanded.Application.options() Allow skipping events for batched handler Include commanded#493 and commanded#489 in CHANGELOG Include commanded#493 and commanded#489 in CHANGELOG Release v1.4.0 bugfix: retry command executing when the aggregator is down right before the execution chore: improve typespec for router dispatch resp Include commanded#494 in CHANGELOG Remove duplicate event apply when receiving missed events published to aggregate's event stream Update CHANGELOG Use Erlang v25.0.4 and Elixir v1.14.0-otp-25 Require at least Elixir v1.10 Fix typespec typo in Commanded.Application Use `:test` Mix env for GitHub workflow To catch dialyzer and credo errors in test files. Release v1.4.1 retry remaining batch when skipping event only retry for batch Reduce compile-time dependencies Reformat Cleanup some TODO comments that have been implemented Remove unused code in test Make Credo happy Update docs for :skip return in error callback Filter any already seen events from handle_batch Update docs on event given to batch error hander
Format Fix dialyzer error
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Note: review can wait until Calmwave has dogfooded this for a bit. |
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Any updates on this one? |
drteeth
requested changes
Dec 3, 2024
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| TODO Batching: this holds true for the PostgreSQL implementation, needs to be added to in_memory and | ||
| verified for EventStoreDB. |
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Looks like the InMemory implementation is done. I think we can go ahead without EventStoreDB as I don't think it's going to see much use going forward.
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I'd like to see the InMemory adapter implement batching as well before we merge.
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I'm rooting for this 🫶 |
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This adds the option of having batched event handlers to speed things up. Please refer to the included documentation for details.
This PR is mostly taken from #509
Related PRs
commanded/commanded-ecto-projections#54