perfschema

package

v2.15.1+incompatible Latest Latest Go to latest Published: Feb 22, 2021 License: Apache-2.0 Imports: 20 Imported by: 0

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Package perfschema runs built-in QAN Agent for MySQL performance schema.

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type Params struct {
	DSN                  string
	AgentID              string
	DisableQueryExamples bool
}

Params represent Agent parameters.

type PerfSchema struct {
	// contains filtered or unexported fields
}

PerfSchema QAN services connects to MySQL and extracts performance data.

func New(params *Params, l *logrus.Entry) (*PerfSchema, error)

New creates new PerfSchema QAN service.

func (m *PerfSchema) Changes() <-chan agents.Change

Changes returns channel that should be read until it is closed.

func (m *PerfSchema) Run(ctx context.Context)

Run extracts performance data and sends it to the channel until ctx is canceled.