Debug logs explanation

Hi, Can someone help me understand what does the below logs mean? I enabled the debug log in my filebeat to check if logstash is acknowledging the messages in a timely manner and if filebeat proceeds only when logstash acknowledged the messages/batch sent? Thank you!

2021-06-20T23:20:32.182+0800	DEBUG	[publisher]	memqueue/ackloop.go:160	ackloop: receive ack [104875: 0, 382]
2021-06-20T23:20:32.183+0800	DEBUG	[publisher]	memqueue/eventloop.go:535	broker ACK events: count=382, start-seq=67319929, end-seq=67320310

2021-06-20T23:20:32.183+0800	DEBUG	[acker]	beater/acker.go:59	stateful ack	{"count": 382}
2021-06-20T23:20:32.183+0800	DEBUG	[publisher]	memqueue/ackloop.go:128	ackloop: return ack to broker loop:382
2021-06-20T23:20:32.183+0800	DEBUG	[publisher]	memqueue/ackloop.go:131	ackloop:  done send ack
2021-06-20T23:20:32.183+0800	DEBUG	[registrar]	registrar/registrar.go:264	Processing 382 events
2021-06-20T23:20:32.183+0800	DEBUG	[registrar]	registrar/registrar.go:231	Registrar state updates processed. Count: 382
2021-06-20T23:20:32.183+0800	DEBUG	[registrar]	registrar/registrar.go:201	Registry file updated. 2 active states.
2021-06-20T23:20:32.221+0800	DEBUG	[logstash]	logstash/async.go:172	348 events out of 348 events sent to logstash host log-app.mks-gp.icp.com:9513. Continue sending

This line identifies the number of events sent to the logstash output. Based on this, it appears filebeat is sending events to logstash successfully.

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