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82 lines
3.1 KiB
Markdown
82 lines
3.1 KiB
Markdown
# Load testing
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The following document outlines the most recent results of a semi-annual load test of the Fleet server. These tests are conducted by the Fleet team.
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Fleet uses [osquery-perf](https://github.com/fleetdm/fleet/tree/main/cmd/osquery-perf), a free and open source tool, to generate realistic traffic to the Fleet server.
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A test is deemed successful when the Fleet server is able to receive and make requests to the specified number of hosts without over utilizing the specified resources. In addition, a successful test must report that the Fleet server can run a live query against the specified number of hosts.
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This document reports the minimum resources for successfully running Fleet with 1,000 hosts and 150,000 hosts.
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## Test parameters
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The Fleet load tests are conducted with a Fleet server that contains 2 packs, with ~6 queries each, and 6 labels.
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## How we are simulating osquery
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The simulation is run by using [osquery-perf](https://github.com/fleetdm/fleet/tree/main/cmd/osquery-perf).
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The following command enrolls and simulates 150,000 hosts on Fleet:
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```bash
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go run cmd/osquery-perf/agent.go -enroll_secret <secret here> -host_count 150000 -server_url <server URL here> -node_key_file nodekeys
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```
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After the hosts have been enrolled, you can add `-only_already_enrolled` to make sure the node keys from the file are used and no enrollment happens. This resumes the execution of all the simulated hosts.
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## Infrastructure setup
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The deployment of Fleet was done through the example [terraform provided in the repo](https://github.com/fleetdm/fleet/tree/main/tools/terraform) with the following command:
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```bash
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terraform apply \
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-var domain_fleetctl=<your domain here> \
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-var domain_fleetdm=<alternative domain here> \
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-var s3_bucket=<log bucket name> \
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-var fleet_image="fleetdm/fleet:<tag targeted>" \
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-var vulnerabilities_path="" \
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-var fleet_max_capacity=100 \
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-var fleet_min_capacity=5
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```
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## Results
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### 1,000 hosts
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With the infrastructure listed below, 1,000 hosts successfully communicate with Fleet. The Fleet server is able to run live queries against all hosts.
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Fleet instances:
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- 1 Fargate Task
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- 256 CPU units
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- 512 MB of memory
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Redis:
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- Version: 5.0.6
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- Instance type: cache.m5.large
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MySQL:
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- Version: 5.7.mysql_aurora.2.10.0
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- Instance type: db.t4g.medium
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### 150,000 hosts
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With the infrastructure listed below, 150,000 hosts successfully communicate with Fleet. The Fleet server is able to run live queries against all hosts.
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Fleet instances:
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- 25 Task
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- 1024 CPU units
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- 2048 MB of memory
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Redis:
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- Version: 5.0.6
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- Instance: cache.m5.large
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MySQL:
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- Version: 5.7.mysql_aurora.2.10.0
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- Instance: db.r5.4xlarge
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The above setup auto scaled based on CPU usage. After a while, the task count ended up in 25 instances even while live querying or adding a new label.
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## Limitations
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The [osquery-perf](https://github.com/fleetdm/fleet/tree/main/cmd/osquery-perf) tool doesn't simulate all data that's included when a real device communicates to a Fleet instance. For example, system users and software inventory data are not yet simulated by osquery-perf.
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