com.hazelcast.internal.diagnostics

Class PendingInvocationsPlugin

java.lang.Object

com.hazelcast.internal.diagnostics.DiagnosticsPlugin

com.hazelcast.internal.diagnostics.PendingInvocationsPlugin

public final class PendingInvocationsPlugin
extends DiagnosticsPlugin

A DiagnosticsPlugin that aggregates the pending invocation so that per type of operation, the occurrence count is displayed.

Field Summary

Fields

Modifier and Type	Field and Description
static HazelcastProperty	PERIOD_SECONDS The period in seconds this plugin runs.
static HazelcastProperty	THRESHOLD The minimum number of invocations per type of operation before it start logging this particular operation.

Fields inherited from class com.hazelcast.internal.diagnostics.DiagnosticsPlugin

logger

Constructor Summary

Constructors

Constructor and Description
PendingInvocationsPlugin(NodeEngineImpl nodeEngine)

Method Summary

Modifier and Type	Method and Description
long	getPeriodMillis() Returns the period of executing the monitor in millis.
void	onStart()
void	run(DiagnosticsLogWriter writer)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PERIOD_SECONDS

public static final HazelcastProperty PERIOD_SECONDS

The period in seconds this plugin runs.

With the pending invocation plugins an aggregation is made per type of operation how many pending invocations there are.

This plugin is very cheap to use.

If set to 0, the plugin is disabled.

THRESHOLD

public static final HazelcastProperty THRESHOLD

The minimum number of invocations per type of operation before it start logging this particular operation.

Constructor Detail

PendingInvocationsPlugin

public PendingInvocationsPlugin(NodeEngineImpl nodeEngine)

Method Detail

getPeriodMillis

public long getPeriodMillis()

Description copied from class: DiagnosticsPlugin

Returns the period of executing the monitor in millis.

If a monitor is disabled, 0 is returned.

If a monitor should run only once, a negative value is returned. This is useful for 'static' monitors like the SystemPropertiesPlugin that run at the beginning of a log file but their contents will not change.

Specified by:

getPeriodMillis in class DiagnosticsPlugin

Returns:

the period in millis.

onStart

public void onStart()

Specified by:

onStart in class DiagnosticsPlugin

run

public void run(DiagnosticsLogWriter writer)

Specified by:

run in class DiagnosticsPlugin