Performance reference for the Splunk Add-on for Google Cloud Platform

This page provides reference information on performance testing of the pub/sub input for version 1.3.0 of the Splunk Add-on for Google Cloud Platform. Use this information to enhance the performance of your own Google Cloud Platform collection tasks.

Many factors impact performance results, including file size, file compression, event size, deployment architecture, and hardware. These results should be used as reference information and do not represent performance in all environments.

Testing architecture

The throughput data and conclusions provided here are based on performance testing using single-instance Splunk Enterprise 7.0.1 running on the following environment.

Instance type	n1-standard-8
Memory	30 GB
vCPU	8
Cores	4 CPU cores
Storage Type	standard persistent disk (2000GB)

Measured performance data

The throughput data provided here is the average performance for different subscription numbers achieved in performance testing under specific operating conditions and is subject to change when any of the hardware and software variables changes. Use this data for a rough reference only.

Subscriptions	Input numbers	Throughput (KB/s)	Throughput (GB/day)
1	1	1800	150
4	4	9000	740
8	8	17000	1400
16	16	24000	1970
200	16	16320	1340

For heavy data ingestion scenarios, change the default Acknowledgment Deadline of your subscription from 10 seconds to 60 seconds for optimal performance and to avoid data duplication.