public boolean shouldStoreSlow(Transaction transaction) {
if (transaction.isPartiallyStored()) {
return true;
}
// check if trace-specific store threshold was set
long slowThresholdMillis = transaction.getSlowThresholdMillisOverride();
if (slowThresholdMillis != Transaction.USE_GENERAL_STORE_THRESHOLD) {
return transaction.getDurationNanos() >= MILLISECONDS.toNanos(slowThresholdMillis);
}
// fall back to default slow trace threshold
slowThresholdMillis = configService.getTransactionConfig().slowThresholdMillis();
if (transaction.getDurationNanos() >= MILLISECONDS.toNanos(slowThresholdMillis)) {
return true;
}
// for now lumping user recording into slow traces tab
//
// check if should store for user recording
if (configService.getUserRecordingConfig().enabled()) {
String user = transaction.getUser();
if (!Strings.isNullOrEmpty(user)
&& user.equalsIgnoreCase(configService.getUserRecordingConfig().user())) {
return true;
}
}
return false;
}
void maybeScheduleUserProfiling(Transaction transaction, String user) {
UserRecordingConfig userRecordingConfig = configService.getUserRecordingConfig();
if (!userRecordingConfig.enabled()) {
return;
}
if (!user.equalsIgnoreCase(userRecordingConfig.user())) {
return;
}
// schedule the first stack collection for configured interval after transaction start (or
// immediately, if the transaction's total time already exceeds configured collection
// interval)
int intervalMillis = userRecordingConfig.profileIntervalMillis();
ScheduledRunnable userProfileRunnable = new UserProfileRunnable(transaction, configService);
long initialDelay =
Math.max(0, intervalMillis - NANOSECONDS.toMillis(transaction.getDurationNanos()));
userProfileRunnable.scheduleWithFixedDelay(
scheduledExecutor, initialDelay, intervalMillis, MILLISECONDS);
transaction.setUserProfileRunnable(userProfileRunnable);
}
@Override
public void runInternal() {
if (transaction.isCompleted()) {
// there is a small window between trace completion and cancellation of this
// command,
// plus, should a stop-the-world gc occur in this small window, even two command
// executions can fire one right after the other in the small window (assuming the
// first
// didn't throw an exception which it does now), since this command is scheduled
// using
// ScheduledExecutorService.scheduleWithFixedDelay()
throw new TerminateSubsequentExecutionsException();
}
ThreadMXBean threadBean = ManagementFactory.getThreadMXBean();
ThreadInfo threadInfo =
threadBean.getThreadInfo(transaction.getThreadId(), Integer.MAX_VALUE);
transaction.captureStackTrace(
threadInfo,
configService.getAdvancedConfig().maxStackTraceSamplesPerTransaction(),
configService.getAdvancedConfig().timerWrapperMethods());
}
public Aggregator(
ScheduledExecutorService scheduledExecutor,
Collector collector,
ConfigService configService,
long aggregateIntervalMillis,
Clock clock) {
this.scheduledExecutor = scheduledExecutor;
this.collector = collector;
this.configService = configService;
this.clock = clock;
this.aggregateIntervalMillis = aggregateIntervalMillis;
activeIntervalCollector =
new AggregateIntervalCollector(
clock.currentTimeMillis(),
aggregateIntervalMillis,
configService.getAdvancedConfig().maxAggregateTransactionsPerTransactionType(),
configService.getAdvancedConfig().maxAggregateQueriesPerQueryType());
// dedicated thread to aggregating transaction data
processingThread = new Thread(new TransactionProcessor());
processingThread.setDaemon(true);
processingThread.setName("Glowroot-Aggregate-Collector");
processingThread.start();
}