Documentation
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Overview ¶
Package metrics handles metrics for the cluster. The library uses Prometheus as the default library but this can be changed by changing the implementation in this package.
Index ¶
Constants ¶
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const ( PrometheusSink = "prometheus" NoSink = "none" )
The list of supported metrics
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type Sink ¶
type Sink interface {
SetClusterSize(nodeid string, size int)
SetShardCount(nodeid string, shards int)
SetShardIndex(nodeid string, index uint64)
LogRequest(nodeid, destination, method string)
}
Sink is the metrics sink for the cluster. Implement this interface to write to other kinds of systems.
func NewBlackHoleSink ¶
func NewBlackHoleSink() Sink
NewBlackHoleSink creates a metrics sink that discards all metrics
func NewPrometheusSink ¶
func NewPrometheusSink() Sink
NewPrometheusSink creates a metrics sink for Prometheus. All sinks created by this function will write to the same sinks.
func NewSinkFromString ¶
NewSinkFromString returns a named sink
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