Module: Karafka::Pro::Processing::Strategies::Dlq::FtrMom
- Includes:
- Default, Ftr::Default
- Included in:
- Aj::DlqFtrMom, FtrMomVp
- Defined in:
- lib/karafka/pro/processing/strategies/dlq/ftr_mom.rb
Overview
-
DLQ
-
Ftr
-
Mom
Constant Summary collapse
- FEATURES =
Features for this strategy
%i[ dead_letter_queue filtering manual_offset_management ].freeze
Instance Method Summary collapse
-
#handle_after_consume ⇒ Object
On mom we do not mark, throttling and seeking as in other strategies.
Methods included from Default
#build_dlq_message, #dispatch_to_dlq, #dispatch_to_dlq?, #find_skippable_message
Methods included from Karafka::Pro::Processing::Strategies::Default
#handle_before_consume, #handle_before_enqueue, #handle_consume, #handle_revoked
Methods included from Karafka::Processing::Strategies::Default
#commit_offsets, #commit_offsets!, #handle_before_consume, #handle_before_enqueue, #handle_consume, #handle_idle, #handle_revoked, #handle_shutdown, #mark_as_consumed, #mark_as_consumed!
Methods included from Karafka::Processing::Strategies::Base
#handle_before_consume, #handle_before_enqueue, #handle_consume, #handle_idle, #handle_revoked, #handle_shutdown
Methods included from Ftr::Default
#handle_idle, #handle_post_filtering
Instance Method Details
#handle_after_consume ⇒ Object
On mom we do not mark, throttling and seeking as in other strategies
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# File 'lib/karafka/pro/processing/strategies/dlq/ftr_mom.rb', line 34 def handle_after_consume coordinator.on_finished do return if revoked? if coordinator.success? coordinator.pause_tracker.reset return if coordinator.manual_pause? handle_post_filtering elsif coordinator.pause_tracker.attempt <= topic.dead_letter_queue.max_retries retry_after_pause # If we've reached number of retries that we could, we need to skip the first # message that was not marked as consumed, pause and continue, while also moving # this message to the dead topic. # # For a Mom setup, this means, that user has to manage the checkpointing by # himself. If no checkpointing is ever done, we end up with an endless loop. else # We reset the pause to indicate we will now consider it as "ok". coordinator.pause_tracker.reset , _marked = dispatch_to_dlq() if dispatch_to_dlq? coordinator.seek_offset = .offset + 1 pause(coordinator.seek_offset, nil, false) end end end |