Class: Kafka::AsyncProducer::Worker
- Inherits:
-
Object
- Object
- Kafka::AsyncProducer::Worker
- Defined in:
- lib/kafka/async_producer.rb
Instance Method Summary collapse
-
#initialize(queue:, producer:, delivery_threshold:, max_retries: -1,, retry_backoff: 0, instrumenter:, logger:) ⇒ Worker
constructor
A new instance of Worker.
- #run ⇒ Object
Constructor Details
#initialize(queue:, producer:, delivery_threshold:, max_retries: -1,, retry_backoff: 0, instrumenter:, logger:) ⇒ Worker
Returns a new instance of Worker.
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# File 'lib/kafka/async_producer.rb', line 201 def initialize(queue:, producer:, delivery_threshold:, max_retries: -1, retry_backoff: 0, instrumenter:, logger:) @queue = queue @producer = producer @delivery_threshold = delivery_threshold @max_retries = max_retries @retry_backoff = retry_backoff @instrumenter = instrumenter @logger = TaggedLogger.new(logger) end |
Instance Method Details
#run ⇒ Object
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# File 'lib/kafka/async_producer.rb', line 211 def run @logger.(@producer.to_s) @logger.info "Starting async producer in the background..." loop do operation, payload = @queue.pop case operation when :produce produce(payload[0], **payload[1]) if threshold_reached? when :deliver_messages when :shutdown begin # Deliver any pending messages first. @producer. rescue Error => e @logger.error("Failed to deliver messages during shutdown: #{e.}") @instrumenter.instrument("drop_messages.async_producer", { message_count: @producer.buffer_size + @queue.size, }) end # Stop the run loop. break else raise "Unknown operation #{operation.inspect}" end end rescue Kafka::Error => e @logger.error "Unexpected Kafka error #{e.class}: #{e.}\n#{e.backtrace.join("\n")}" @logger.info "Restarting in 10 seconds..." sleep 10 retry rescue Exception => e @logger.error "Unexpected Kafka error #{e.class}: #{e.}\n#{e.backtrace.join("\n")}" @logger.error "Async producer crashed!" ensure @producer.shutdown @logger. end |