2.1 KiB
Stress Test
The logic for StressTest can be found in stress/run.go.
A new StressTest type was added and is composed four different parts. The StressTest type has one method Start(wHandle responseHandler, rHandle responseHandler). This method starts the stress test.
A responseHandler is a function with type signature func(r <-chan response, t *Timer). Response Handlers handle the read and write responses respectively.
Provisioner
Provisions the InfluxDB instance where the stress test is going to be ran against.
Think things like, creating the database, setting up retention policies, continuous queries, etc.
Writer
The Writer is responsible for Writing data into an InfluxDB instance. It has two components: PointGenerator and InfluxClient.
PointGenerator
The PointGenerator is responsible for generating points that will be written into InfluxDB. Additionally, it is reponsible for keeping track of the latest timestamp of the points it is writing (Just incase the its needed by the Reader).
Any type that implements the methods Generate() and Time() is a PointGenerator.
InfluxClient
The InfluxClient is responsible for writing the data that is generated by the PointGenerator.
Any type that implements Batch(ps <-chan Point, r chan<- response), and send(b []byte) response is an InfluxClient.
Reader
The Reader is responsible for querying the database. It has two components: QueryGenerator and QueryClient.
QueryGenerator
The QueryGenerator is responsible for generating queries.
QueryClient
The QueryClient is responsible for executing queries against an InfluxDB instance.
Basic
basic.go implements an each of the components of a stress test.
Util
util.go contains utility methods used throughout the package.
Config
config.go contains the logic for managing the configuration of the stress test.
A sample configuration file can be found in stress/stress.toml. This still needs work, but whats there now is good enough IMO.
Template
template.go contains the logic for a basic stress test.