com.sun.gjc.monitoring.JdbcStatsProvider Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project for IBM JDK
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
// Portions Copyright [2016-2017] [Payara Foundation and/or its affiliates]
package com.sun.gjc.monitoring;
import com.sun.gjc.util.SQLTrace;
import com.sun.gjc.util.FrequentSQLTraceCache;
import fish.payara.jdbc.stats.SlowSqlTrace;
import fish.payara.jdbc.stats.SlowSqlTraceCache;
import org.glassfish.external.probe.provider.annotations.ProbeListener;
import org.glassfish.external.probe.provider.annotations.ProbeParam;
import org.glassfish.external.statistics.CountStatistic;
import org.glassfish.external.statistics.StringStatistic;
import org.glassfish.external.statistics.impl.CountStatisticImpl;
import org.glassfish.external.statistics.impl.StatisticImpl;
import org.glassfish.external.statistics.impl.StringStatisticImpl;
import org.glassfish.gmbal.AMXMetadata;
import org.glassfish.gmbal.Description;
import org.glassfish.gmbal.ManagedAttribute;
import org.glassfish.gmbal.ManagedObject;
import org.glassfish.resourcebase.resources.api.PoolInfo;
/**
* Provides the monitoring data for JDBC RA module
*
* @author Shalini M
*/
@AMXMetadata(type="jdbcra-mon", group="monitoring")
@ManagedObject
@Description("JDBC RA Statistics")
public class JdbcStatsProvider {
private StringStatisticImpl freqUsedSqlQueries = new StringStatisticImpl(
"FreqUsedSqlQueries", "List",
"Most frequently used sql queries");
private StringStatisticImpl slowSqlQueries = new StringStatisticImpl("SlowSqlQueries", "List", "Slowest SQL Queries");
private CountStatisticImpl numStatementCacheHit = new CountStatisticImpl(
"NumStatementCacheHit", StatisticImpl.UNIT_COUNT,
"The total number of Statement Cache hits.");
private CountStatisticImpl numStatementCacheMiss = new CountStatisticImpl(
"NumStatementCacheMiss", StatisticImpl.UNIT_COUNT,
"The total number of Statement Cache misses.");
private CountStatisticImpl numPotentialStatementLeak = new CountStatisticImpl(
"NumPotentialStatementLeak", StatisticImpl.UNIT_COUNT,
"The total number of potential Statement leaks");
private PoolInfo poolInfo;
private FrequentSQLTraceCache freqSqlTraceCache;
private SlowSqlTraceCache slowSqlTraceCache;
public JdbcStatsProvider(String poolName, String appName, String moduleName, int sqlTraceCacheSize,
long timeToKeepQueries) {
poolInfo = new PoolInfo(poolName, appName, moduleName);
if(sqlTraceCacheSize > 0) {
this.freqSqlTraceCache = new FrequentSQLTraceCache(poolName, sqlTraceCacheSize, timeToKeepQueries);
this.slowSqlTraceCache = new SlowSqlTraceCache(poolName, sqlTraceCacheSize, timeToKeepQueries);
}
}
public JdbcStatsProvider(String poolName, String appName, String moduleName, int sqlTraceCacheSize,
long timeToKeepQueries, int maxStoredEntries) {
poolInfo = new PoolInfo(poolName, appName, moduleName);
if(sqlTraceCacheSize > 0) {
this.freqSqlTraceCache = new FrequentSQLTraceCache(poolName, sqlTraceCacheSize, timeToKeepQueries, maxStoredEntries);
this.slowSqlTraceCache = new SlowSqlTraceCache(poolName, sqlTraceCacheSize, timeToKeepQueries);
}
}
/**
* Whenever statement cache is hit, increment numStatementCacheHit count.
* @param poolName JdbcConnectionPool that has got a statement cache hit event.
*/
@ProbeListener(JdbcRAConstants.STATEMENT_CACHE_DOTTED_NAME + JdbcRAConstants.STATEMENT_CACHE_HIT)
public void statementCacheHitEvent(@ProbeParam("poolName") String poolName,
@ProbeParam("appName") String appName,
@ProbeParam("moduleName") String moduleName
) {
PoolInfo poolInfo = new PoolInfo(poolName, appName, moduleName);
if(this.poolInfo.equals(poolInfo)){
numStatementCacheHit.increment();
}
}
/**
* Whenever statement cache miss happens, increment numStatementCacheMiss count.
* @param poolName JdbcConnectionPool that has got a statement cache miss event.
*/
@ProbeListener(JdbcRAConstants.STATEMENT_CACHE_DOTTED_NAME + JdbcRAConstants.STATEMENT_CACHE_MISS)
public void statementCacheMissEvent(@ProbeParam("poolName") String poolName,
@ProbeParam("appName") String appName,
@ProbeParam("moduleName") String moduleName
) {
PoolInfo poolInfo = new PoolInfo(poolName, appName, moduleName);
if(this.poolInfo.equals(poolInfo)){
numStatementCacheMiss.increment();
}
}
/**
* Whenever a sql statement that is traced is to be cache for monitoring
* purpose, the SQLTrace object is created for the specified sql and
* updated in the SQLTraceCache. This is used to update the
* frequently used and slowest sql queries.
*
* @param poolName
* @param appName
* @param sql
* @param moduleName
* @param executionTime
*/
@ProbeListener(JdbcRAConstants.SQL_TRACING_DOTTED_NAME + JdbcRAConstants.TRACE_SQL)
public void traceSQLEvent(
@ProbeParam("poolName") String poolName,
@ProbeParam("appName") String appName,
@ProbeParam("moduleName") String moduleName,
@ProbeParam("sql") String sql,
@ProbeParam("executionTime") long executionTime) {
PoolInfo poolInfo = new PoolInfo(poolName, appName, moduleName);
if(this.poolInfo.equals(poolInfo)){
if(freqSqlTraceCache != null) {
if (sql != null) {
SQLTrace cacheObj = new SQLTrace(sql, 1, System.currentTimeMillis());
freqSqlTraceCache.checkAndUpdateCache(cacheObj);
}
}
// If the slowSqlTraceCache has been initialised, create a new SlowSqlTrace object and add it to or update
// the cache
if (slowSqlTraceCache != null && sql != null) {
SQLTrace cacheObj = new SlowSqlTrace(sql, 1, System.currentTimeMillis(), executionTime);
slowSqlTraceCache.checkAndUpdateCache(cacheObj);
}
}
}
/**
* Whenever statement leak happens, increment numPotentialStatementLeak count.
* @param poolName JdbcConnectionPool that has got a statement leak event.
*/
@ProbeListener(JdbcRAConstants.STATEMENT_LEAK_DOTTED_NAME + JdbcRAConstants.POTENTIAL_STATEMENT_LEAK)
public void potentialStatementLeakEvent(
@ProbeParam("poolName") String poolName,
@ProbeParam("appName") String appName,
@ProbeParam("moduleName") String moduleName) {
PoolInfo poolInfo = new PoolInfo(poolName, appName, moduleName);
if(this.poolInfo.equals(poolInfo)){
numPotentialStatementLeak.increment();
}
}
@ManagedAttribute(id="numstatementcachehit")
public CountStatistic getNumStatementCacheHit() {
return numStatementCacheHit;
}
@ManagedAttribute(id="numstatementcachemiss")
public CountStatistic getNumStatementCacheMiss() {
return numStatementCacheMiss;
}
@ManagedAttribute(id="frequsedsqlqueries")
public StringStatistic getfreqUsedSqlQueries() {
if(freqSqlTraceCache != null) {
//This is to ensure that only the queries in the last "time-to-keep-
//queries-in-minutes" is returned back.
freqUsedSqlQueries.setCurrent(freqSqlTraceCache.getTopQueries());
}
return freqUsedSqlQueries;
}
@ManagedAttribute(id = "slowSqlQueries")
public StringStatistic getSlowSqlQueries() {
if (slowSqlTraceCache != null) {
slowSqlQueries.setCurrent(slowSqlTraceCache.getSlowestSqlQueries());
}
return slowSqlQueries;
}
@ManagedAttribute(id="numpotentialstatementleak")
public CountStatistic getNumPotentialStatementLeak() {
return numPotentialStatementLeak;
}
/**
* Get the FrequentSQLTraceCache associated with this stats provider.
* @return FrequentSQLTraceCache The FrequentSQLTraceCache associated with this stats provider
*/
public FrequentSQLTraceCache getFreqSqlTraceCache() {
return freqSqlTraceCache;
}
/**
* Get the SlowSqlTraceCache associated with this stats provider.
* @return SlowSqlTraceCache The SlowSqlTraceCache associated with this stats provider
*/
public SlowSqlTraceCache getSlowSqlTraceCache() {
return slowSqlTraceCache;
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy