Examples with SQLTrace com.sun.gjc.util.SQLTrace used on opensource projects

Example 1 with SQLTrace

use of com.sun.gjc.util.SQLTrace in project Payara by payara.

the class JdbcStatsProvider method getfreqUsedSqlQueries.

@ManagedAttribute(id = "frequsedsqlqueries")
public ListStatistic getfreqUsedSqlQueries() {
    List<SQLTrace> sqlTraces = freqSqlTraceCache.getTopQueries();
    freqUsedSqlQueries = new ListStatisticImpl("frequsedsqlqueries", "List", "Most frequently used sql queries");
    for (SQLTrace trace : sqlTraces) {
        CountStatisticImpl stat = new CountStatisticImpl(trace.getQueryName(), "Count", "");
        stat.setCount(trace.getNumExecutions());
        freqUsedSqlQueries.add(stat);
    }
    return freqUsedSqlQueries;
}

Example 2 with SQLTrace

use of com.sun.gjc.util.SQLTrace in project Payara by payara.

the class FrequentSQLTraceCache method checkAndUpdateCache.

/**
 * Request for adding a sql query in the form of SQLTrace to this cache.
 * If the query is already found
 * in the list, the number of times it is executed is incremented by one
 * along with the timestamp.
 * If the query is a new one, it is added to the list.
 *
 * @param cacheObj
 */
@Override
public void checkAndUpdateCache(SQLTrace cacheObj) {
    if (cacheObj != null) {
        SQLTrace trace = cache.get(cacheObj.getQueryName());
        if (trace != null) {
            // If already found in the cache
            trace.setNumExecutions(trace.getNumExecutions() + 1);
            trace.setLastUsageTime(System.currentTimeMillis());
        } else {
            if (cache.size() < maxStoredEntries) {
                cache.put(cacheObj.getQueryName(), cacheObj);
            } else {
                if (_logger.isLoggable(Level.CONFIG)) {
                    _logger.log(Level.CONFIG, "Frequent SQL Trace Cache full, {0} not stored.", cacheObj.getQueryName());
                } else {
                    _logger.log(Level.INFO, "Frequent SQL Trace Cache full, enable CONFIG log level for more info.");
                }
            }
        }
    }
}

Example 3 with SQLTrace

use of com.sun.gjc.util.SQLTrace in project Payara by payara.

the class JdbcStatsProvider method traceSQLEvent.

/**
 * 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);
            }
        }
        // the cache
        if (slowSqlTraceCache != null && sql != null) {
            SQLTrace cacheObj = new SlowSqlTrace(sql, 1, System.currentTimeMillis(), executionTime);
            slowSqlTraceCache.checkAndUpdateCache(cacheObj);
        }
    }
}