io.lettuce.core.metrics

Interface CommandLatencyCollector

All Superinterfaces:

CommandLatencyRecorder, MetricCollector<Map<CommandLatencyId,CommandMetrics>>

All Known Implementing Classes:

DefaultCommandLatencyCollector

public interface CommandLatencyCollector
extends MetricCollector<Map<CommandLatencyId,CommandMetrics>>, CommandLatencyRecorder

MetricCollector for command latencies. Command latencies are collected per connection (identified by local/remote tuples of SocketAddresses) and command type. Two command latencies are available:

• Latency between command send and first response (first response received)
• Latency between command send and command completion (complete response received)

Since:

3.4

Author:

Mark Paluch

Method Summary

Modifier and Type	Method and Description
static CommandLatencyCollector	create(CommandLatencyCollectorOptions options) Creates a new CommandLatencyCollector using CommandLatencyCollectorOptions.
static CommandLatencyCollector	disabled() Deprecated. since 6.0, use CommandLatencyRecorder.disabled() instead.

Methods inherited from interface io.lettuce.core.metrics.MetricCollector

retrieveMetrics, shutdown

Methods inherited from interface io.lettuce.core.metrics.CommandLatencyRecorder

isEnabled, recordCommandLatency, recordCommandLatency

Method Detail

create

static CommandLatencyCollector create(CommandLatencyCollectorOptions options)

Creates a new CommandLatencyCollector using CommandLatencyCollectorOptions.

Parameters:

options - must not be null.

Returns:

the CommandLatencyCollector using CommandLatencyCollectorOptions.

disabled

@Deprecated
static CommandLatencyCollector disabled()

Deprecated. since 6.0, use CommandLatencyRecorder.disabled() instead.

Returns a disabled no-op CommandLatencyCollector.

Specified by:

disabled in interface CommandLatencyRecorder

Returns:

a disabled no-op CommandLatencyCollector.

Since:

5.1