Module: Karafka::Pro::Processing::Strategies::Aj::DlqFtrMomVp
- Defined in:
- lib/karafka/pro/processing/strategies/aj/dlq_ftr_mom_vp.rb
Overview
-
Aj
-
Dlq
-
Ftr
-
Mom
-
VP
Constant Summary collapse
- FEATURES =
Features for this strategy
%i[ active_job dead_letter_queue filtering manual_offset_management virtual_partitions ].freeze
Instance Method Summary collapse
-
#handle_after_consume ⇒ Object
AJ VP does not early stop on shutdown, hence here we can mark as consumed at the end of all VPs.
Methods included from Dlq::Default
#build_dlq_message, #dispatch_to_dlq, #dispatch_to_dlq?, #find_skippable_message
Methods included from 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
Methods included from Vp::Default
#collapsed?, #failing?, #mark_as_consumed, #mark_as_consumed!
Instance Method Details
#handle_after_consume ⇒ Object
AJ VP does not early stop on shutdown, hence here we can mark as consumed at the end of all VPs
39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 |
# File 'lib/karafka/pro/processing/strategies/aj/dlq_ftr_mom_vp.rb', line 39 def handle_after_consume coordinator.on_finished do || return if revoked? if coordinator.success? coordinator.pause_tracker.reset return if coordinator.manual_pause? mark_as_consumed() 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 coordinator.pause_tracker.reset , = dispatch_to_dlq() if dispatch_to_dlq? # We can commit the offset here because we know that we skip it "forever" and # since AJ consumer commits the offset after each job, we also know that the # previous job was successful mark_as_consumed() pause(coordinator.seek_offset, nil, false) end end end |