Examples with Timer io.pravega.common.Timer used on opensource projects

Example 16 with Timer

use of io.pravega.common.Timer in project pravega by pravega.

the class DurableLog method truncate.

@Override
public CompletableFuture<Void> truncate(long upToSequenceNumber, Duration timeout) {
    ensureRunning();
    Preconditions.checkArgument(this.metadata.isValidTruncationPoint(upToSequenceNumber), "Invalid Truncation Point. Must refer to a MetadataCheckpointOperation.");
    // The SequenceNumber we were given points directly to a MetadataCheckpointOperation. We must not remove it!
    // Instead, it must be the first operation that does survive, so we need to adjust our SeqNo to the one just
    // before it.
    long actualTruncationSequenceNumber = upToSequenceNumber - 1;
    // Find the closest Truncation Marker (that does not exceed it).
    LogAddress truncationFrameAddress = this.metadata.getClosestTruncationMarker(actualTruncationSequenceNumber);
    if (truncationFrameAddress == null) {
        // Nothing to truncate.
        return CompletableFuture.completedFuture(null);
    }
    TimeoutTimer timer = new TimeoutTimer(timeout);
    log.info("{}: Truncate (OperationSequenceNumber = {}, DataFrameAddress = {}).", this.traceObjectId, upToSequenceNumber, truncationFrameAddress);
    // info will be readily available upon recovery without delay.
    return add(new StorageMetadataCheckpointOperation(), timer.getRemaining()).thenComposeAsync(v -> this.durableDataLog.truncate(truncationFrameAddress, timer.getRemaining()), this.executor).thenRunAsync(() -> {
        // Truncate InMemory Transaction Log.
        int count = this.inMemoryOperationLog.truncate(actualTruncationSequenceNumber);
        // Remove old truncation markers.
        this.metadata.removeTruncationMarkers(actualTruncationSequenceNumber);
        this.operationProcessor.getMetrics().operationLogTruncate(count);
    }, this.executor);
}

Example 17 with Timer

use of io.pravega.common.Timer in project pravega by pravega.

the class MetricsProviderTest method testOpStatsData.

/**
 * Test Event and Value registered and worked well with OpStats.
 */
@Test
public void testOpStatsData() {
    Timer startTime = new Timer();
    OpStatsLogger opStatsLogger = statsLogger.createStats("testOpStatsLogger");
    // register 2 event: 1 success, 1 fail.
    opStatsLogger.reportSuccessEvent(startTime.getElapsed());
    opStatsLogger.reportFailEvent(startTime.getElapsed());
    opStatsLogger.reportSuccessValue(startTime.getElapsedMillis());
    opStatsLogger.reportFailValue(startTime.getElapsedMillis());
    opStatsLogger.reportSuccessValue(1);
    opStatsLogger.reportFailValue(1);
    opStatsLogger.reportSuccessValue(1);
    OpStatsData statsData = opStatsLogger.toOpStatsData();
    // 2 = 2 event + 2 value
    assertEquals(4, statsData.getNumSuccessfulEvents());
    assertEquals(3, statsData.getNumFailedEvents());
}

Example 18 with Timer

use of io.pravega.common.Timer in project pravega by pravega.

the class PravegaRequestProcessor method readSegment.

// endregion
// region RequestProcessor Implementation
@Override
public void readSegment(ReadSegment readSegment) {
    Timer timer = new Timer();
    final String segment = readSegment.getSegment();
    if (!verifyToken(segment, readSegment.getOffset(), readSegment.getDelegationToken(), READ, "Read Segment")) {
        return;
    }
    final int readSize = min(MAX_READ_SIZE, max(TYPE_PLUS_LENGTH_SIZE, readSegment.getSuggestedLength()));
    long trace = LoggerHelpers.traceEnter(log, "readSegment", readSegment);
    segmentStore.read(segment, readSegment.getOffset(), readSize, TIMEOUT).thenAccept(readResult -> {
        LoggerHelpers.traceLeave(log, "readSegment", trace, readResult);
        handleReadResult(readSegment, readResult);
        DYNAMIC_LOGGER.incCounterValue(nameFromSegment(SEGMENT_READ_BYTES, segment), readResult.getConsumedLength());
        readStreamSegment.reportSuccessEvent(timer.getElapsed());
    }).exceptionally(ex -> handleException(readSegment.getOffset(), segment, "Read segment", ex));
}