com.neeve.stats

Interface IStats.Latencies

All Superinterfaces:

IStats.Series

All Known Implementing Classes:

Stats.LatencyManager

Enclosing interface:

IStats

public static interface IStats.Latencies
extends IStats.Series

Represents an IStats.Series used to collect latency timings.

Latency statistics only support recording of values up to Integer.MAX_VALUE.

Nested Class Summary

Nested classes/interfaces inherited from interface com.neeve.stats.IStats.Series

IStats.Series.Collector, IStats.Series.Type

Field Summary

Fields

Modifier and Type	Field and Description
static String	PROP_LATENCY_LEG_STATS Property that enables recording of leg latencies as objects flow through the system.
static boolean	PROP_LATENCY_LEG_STATS_DEFAULT The default value for enabling "nv.stats.latency.leg.global.enabled" (false)
static String	PROP_LATENCY_MANAGER_SAMPLE_SIZE Property that can be used to control the default sampling size for latencies series stats.
static String	PROP_LATENCY_WAYPOINT_STATS Property that enables recording of waypoints on objects flowing through the system.
static boolean	PROP_LATENCY_WAYPOINT_STATS_DEFAULT The default value for enabling ()

Fields inherited from interface com.neeve.stats.IStats.Series

PROP_SERIES_SAMPLE_SIZE, PROP_SERIES_SAMPLE_SIZE_DEFAULT

Method Summary

Methods inherited from interface com.neeve.stats.IStats.Series

add, compute, get, get, getName, getNameAsRaw, getType, max, mean, median, min, pct75, pct90, pct99, pct999, pct9999, reset, sample, sequenceNumber, size

Field Detail

PROP_LATENCY_MANAGER_SAMPLE_SIZE

static final String PROP_LATENCY_MANAGER_SAMPLE_SIZE

Property that can be used to control the default sampling size for latencies series stats.

If the number of datapoints collected in a stats interval exceeds this size the computation for histographical data will be lossy, increasing the value will reduce loss of datapoints, but results in greater overhead in stats collection in terms of both memory usage and pressure on the process caches.

Default value: Value of IStats.Series.PROP_SERIES_SAMPLE_SIZE_DEFAULT

See Also:

Constant Field Values

PROP_LATENCY_WAYPOINT_STATS

static final String PROP_LATENCY_WAYPOINT_STATS

Property that enables recording of waypoints on objects flowing through the system.

When set to true, the system records waypoint timestamps on objects as they flow through the system. Enabling this property can increase latency due to the overhead of recording timestamps.

Property Name:
Default Value:

See Also:

Constant Field Values

PROP_LATENCY_WAYPOINT_STATS_DEFAULT

static final boolean PROP_LATENCY_WAYPOINT_STATS_DEFAULT

The default value for enabling ()

See Also:

Constant Field Values

PROP_LATENCY_LEG_STATS

static final String PROP_LATENCY_LEG_STATS

Property that enables recording of leg latencies as objects flow through the system.

When set to true, the system records leg latencies of objects (message, store objects, transaction contexts) as they progress through the system. Enabling this property can increase latency due to the overhead of calculating leg latencies.

Property Name: "nv.stats.latency.leg.global.enabled"
Default Value: false

See Also:

Constant Field Values

PROP_LATENCY_LEG_STATS_DEFAULT

static final boolean PROP_LATENCY_LEG_STATS_DEFAULT

The default value for enabling "nv.stats.latency.leg.global.enabled" (false)

See Also:

Constant Field Values