Package org.languagetool.server

Class ServerMetricsCollector

java.lang.Object

org.languagetool.server.ServerMetricsCollector

public class ServerMetricsCollector
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	ServerMetricsCollector.RequestErrorType

Field Summary

Fields

Modifier and Type	Field	Description
private final io.prometheus.client.Info	buildInfo
private final io.prometheus.client.guava.cache.CacheMetricsCollector	cacheMetrics
private final io.prometheus.client.Counter	charactersCounter
private final io.prometheus.client.Counter	checkCounter
private final io.prometheus.client.Histogram	checkLatency
private final io.prometheus.client.Histogram	checkSize
private final io.prometheus.client.Histogram	checkSpeed
private static final ServerMetricsCollector	collector
private final io.prometheus.client.Counter	computationTimeCounter
private final io.prometheus.client.Gauge	configValues
private final io.prometheus.client.Counter	failedHealthcheckCounter
private final io.prometheus.client.Counter	httpRequestCounter
private final io.prometheus.client.Counter	httpResponseCounter
private static final double[]	LATENCY_BUCKETS
private final io.prometheus.client.Counter	matchCounter
private final io.prometheus.client.Counter	requestErrorCounter
private static io.prometheus.client.exporter.HTTPServer	server
private static final double[]	SIZE_BUCKETS
private static final double[]	SPEED_BUCKETS
static final String	UNKNOWN

Constructor Summary

Constructors

Constructor	Description
ServerMetricsCollector()

Method Summary

Modifier and Type	Method	Description
private static void	exposeConfigurationValues(HTTPServerConfig config, io.prometheus.client.Gauge c)
static ServerMetricsCollector	getInstance()
static void	init(HTTPServerConfig config)
void	logCheck(Language language, long milliseconds, int textSize, int matchCount, JLanguageTool.Mode mode)
void	logFailedHealthcheck()
void	logRequest()
void	logRequestError(ServerMetricsCollector.RequestErrorType type)
void	logResponse(int httpCode)
void	monitorCache(String name, com.google.common.cache.Cache cache)
static void	stop()

Methods inherited from class java.lang.Object

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

Field Details

UNKNOWN

public static final String UNKNOWN

See Also:

• Constant Field Values

LATENCY_BUCKETS

private static final double[] LATENCY_BUCKETS

SIZE_BUCKETS

private static final double[] SIZE_BUCKETS

SPEED_BUCKETS

private static final double[] SPEED_BUCKETS

collector

private static final ServerMetricsCollector collector

server

private static io.prometheus.client.exporter.HTTPServer server

matchCounter

private final io.prometheus.client.Counter matchCounter

checkCounter

private final io.prometheus.client.Counter checkCounter

charactersCounter

private final io.prometheus.client.Counter charactersCounter

computationTimeCounter

private final io.prometheus.client.Counter computationTimeCounter

checkLatency

private final io.prometheus.client.Histogram checkLatency

checkSize

private final io.prometheus.client.Histogram checkSize

checkSpeed

private final io.prometheus.client.Histogram checkSpeed

requestErrorCounter

private final io.prometheus.client.Counter requestErrorCounter

httpRequestCounter

private final io.prometheus.client.Counter httpRequestCounter

httpResponseCounter

private final io.prometheus.client.Counter httpResponseCounter

failedHealthcheckCounter

private final io.prometheus.client.Counter failedHealthcheckCounter

buildInfo

private final io.prometheus.client.Info buildInfo

configValues

private final io.prometheus.client.Gauge configValues

cacheMetrics

private final io.prometheus.client.guava.cache.CacheMetricsCollector cacheMetrics

Constructor Details

ServerMetricsCollector

public ServerMetricsCollector()

Method Details

init

public static void init(HTTPServerConfig config)
                 throws IOException

Throws:

IOException

exposeConfigurationValues

private static void exposeConfigurationValues(HTTPServerConfig config,
 io.prometheus.client.Gauge c)

stop

public static void stop()

getInstance

public static ServerMetricsCollector getInstance()

monitorCache

public void monitorCache(String name,
 com.google.common.cache.Cache cache)

logCheck

public void logCheck(Language language,
 long milliseconds,
 int textSize,
 int matchCount,
 JLanguageTool.Mode mode)

logRequestError

public void logRequestError(ServerMetricsCollector.RequestErrorType type)

logRequest

public void logRequest()

logResponse

public void logResponse(int httpCode)

logFailedHealthcheck

public void logFailedHealthcheck()