Increase performance for a PubSub module in Filebeat

Elastic Stack Beats
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How to improve performance for the Google Cloud module on a filebeat? I'm using Google Cloud module running on a filebeat: https://www.elastic.co/guide/en/beats/filebeat/current/filebeat-module-googlecloud.html, and my event rate is super low.

Any thoughts how to tune it? Setting bulk_max_size or worker doesn't help at all.

I have set up this but it didn't help.

output.elasticsearch:
  bulk_max_size: 3200
  worker: 2
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Hi @daniel_a, what does your config look like for filebeat?

3

Maybe @andrewkroh can help here :slightly_smiling_face:

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cloud.id: "${CLOUD_ID}"
cloud.auth: "${CLOUD_AUTH}"

filebeat.config.modules:
  path: /etc/filebeat/modules.d/*.yml
  reload.enabled: false

setup.template.settings:
  index.number_of_shards: 1
  index.number_of_replicas: 1
  index.codec: best_compression

#flow__logs_template has 6 shards
setup.template.name: "flow__logs_template"
setup.template.overwrite: true

tags: ["flow_logs"]

#How to Tune Elastic Beats Performance: A Practical Example with Batch Size, Worker Count
 #  - https://www.elastic.co/blog/how-to-tune-elastic-beats-performance-a-practical-example-with- 
  # batch-size-worker-count-and-more

#set queue.mem.events to 2 * workers * batch size
queue.mem.events: 115200
#set queue.mem.flush.min_events to batch size
queue.mem.flush.min_events: 2400

output.elasticsearch:
   bulk_max_size: 2400
   worker: 24
   compression_level: 9

indices:
  - index: "vpc_flow_logs"
    when.contains:
      event.type: "flow"
5

++ @andrewkroh

I can barely get above 6,000 EPS/s with the filebeat and googlecloud module. The best I did was 6,487 EPS/s. Server CPU's utilization was about 25% :disappointed:

I started with the blog post: https://www.elastic.co/blog/how-to-tune-elastic-beats-performance-a-practical-example-with-batch-size-worker-count-and-more. Next, I set up the following configs (after testing many different ones first):

#set queue.mem.events to 2 * workers * batch size
queue.mem.events: 115200
#set queue.mem.flush.min_events to batch size
queue.mem.flush.min_events: 2400

output.elasticsearch:
   bulk_max_size: 2400
   worker: 24
   #this is optional, I tested it with 0, 5, and finally with 9
   compression_level: 9

I then looked at the googlecloud module (pubsub connection), and I added the following configs:

subscription.max_outstanding_messages: 120000
subscription.num_goroutines: 32

For the googlecloud module, I also tested different configs (large numbers or even -1), some of that was described in here https://github.com/googleapis/google-cloud-go/wiki/Fine-Tuning-PubSub-Receive-Performance#subscriptionreceivesettingsmaxoutstandingmessages).

And, I can't get anything above 6,487 EPS/s, any thoughts?

Is there a way to measure the filebeat performance after deploying each configuration change other than looking into the Kibana metric dashboard?

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