Examples with DbusEventsTotalStats com.linkedin.databus.core.monitoring.mbean.DbusEventsTotalStats used on opensource projects

Example 26 with DbusEventsTotalStats

use of com.linkedin.databus.core.monitoring.mbean.DbusEventsTotalStats in project databus by linkedin.

the class TestDbusEventBufferMult method testMultiPPartionStreamStats.

@Test
public void testMultiPPartionStreamStats() throws Exception {
    createBufMult();
    PhysicalPartition[] p = { _pConfigs[0].getPhysicalPartition(), _pConfigs[1].getPhysicalPartition(), _pConfigs[2].getPhysicalPartition() };
    //generate a bunch of windows for 3 partitions
    int windowsNum = 10;
    for (int i = 1; i <= windowsNum; ++i) {
        DbusEventBufferAppendable buf = _eventBufferMult.getDbusEventBufferAppendable(p[0]);
        buf.startEvents();
        byte[] schema = "abcdefghijklmnop".getBytes(Charset.defaultCharset());
        assertTrue(buf.appendEvent(new DbusEventKey(1), (short) 100, (short) 0, System.currentTimeMillis() * 1000000, (short) 2, schema, new byte[10], false, null));
        buf.endEvents(100 * i, null);
        buf = _eventBufferMult.getDbusEventBufferAppendable(p[1]);
        buf.startEvents();
        assertTrue(buf.appendEvent(new DbusEventKey(1), (short) 101, (short) 2, System.currentTimeMillis() * 1000000, (short) 2, schema, new byte[100], false, null));
        assertTrue(buf.appendEvent(new DbusEventKey(2), (short) 101, (short) 2, System.currentTimeMillis() * 1000000, (short) 2, schema, new byte[10], false, null));
        buf.endEvents(100 * i + 1, null);
        buf = _eventBufferMult.getDbusEventBufferAppendable(p[2]);
        buf.startEvents();
        assertTrue(buf.appendEvent(new DbusEventKey(1), (short) 101, (short) 2, System.currentTimeMillis() * 1000000, (short) 2, schema, new byte[100], false, null));
        assertTrue(buf.appendEvent(new DbusEventKey(2), (short) 101, (short) 2, System.currentTimeMillis() * 1000000, (short) 2, schema, new byte[10], false, null));
        assertTrue(buf.appendEvent(new DbusEventKey(3), (short) 101, (short) 2, System.currentTimeMillis() * 1000000, (short) 2, schema, new byte[10], false, null));
        buf.endEvents(100 * i + 2, null);
    }
    String[] pnames = new String[p.length];
    int count = 0;
    for (PhysicalPartition ip : p) {
        pnames[count++] = ip.toSimpleString();
    }
    StatsCollectors<DbusEventsStatisticsCollector> statsColl = createStats(pnames);
    PhysicalPartitionKey[] pkeys = { new PhysicalPartitionKey(p[0]), new PhysicalPartitionKey(p[1]), new PhysicalPartitionKey(p[2]) };
    CheckpointMult cpMult = new CheckpointMult();
    for (int i = 0; i < 3; ++i) {
        Checkpoint cp = new Checkpoint();
        cp.setFlexible();
        cp.setConsumptionMode(DbusClientMode.ONLINE_CONSUMPTION);
        cpMult.addCheckpoint(p[i], cp);
    }
    DbusEventBufferBatchReadable reader = _eventBufferMult.getDbusEventBufferBatchReadable(cpMult, Arrays.asList(pkeys), statsColl);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    WritableByteChannel writeChannel = Channels.newChannel(baos);
    reader.streamEvents(false, 1000000, writeChannel, Encoding.BINARY, new AllowAllDbusFilter());
    writeChannel.close();
    baos.close();
    //make sure we got the physical partition names right
    List<String> ppartNames = statsColl.getStatsCollectorKeys();
    assertEquals(ppartNames.size(), 3);
    HashSet<String> expectedPPartNames = new HashSet<String>(Arrays.asList(p[0].toSimpleString(), p[1].toSimpleString(), p[2].toSimpleString()));
    for (String ppartName : ppartNames) {
        assertTrue(expectedPPartNames.contains(ppartName));
    }
    //verify event counts per partition
    DbusEventsTotalStats[] ppartStats = { statsColl.getStatsCollector(p[0].toSimpleString()).getTotalStats(), statsColl.getStatsCollector(p[1].toSimpleString()).getTotalStats(), statsColl.getStatsCollector(p[2].toSimpleString()).getTotalStats() };
    assertEquals(ppartStats[0].getNumDataEvents(), windowsNum);
    assertEquals(ppartStats[1].getNumDataEvents(), windowsNum * 2);
    assertEquals(ppartStats[2].getNumDataEvents(), windowsNum * 3);
    assertEquals(ppartStats[0].getNumSysEvents(), windowsNum);
    assertEquals(ppartStats[1].getNumSysEvents(), windowsNum);
    assertEquals(ppartStats[2].getNumSysEvents(), windowsNum);
    assertEquals(statsColl.getStatsCollector().getTotalStats().getNumDataEvents(), windowsNum * (1 + 2 + 3));
    assertEquals(statsColl.getStatsCollector().getTotalStats().getNumSysEvents(), windowsNum * 3);
    assertEquals(statsColl.getStatsCollector().getTotalStats().getMaxTimeLag(), Math.max(ppartStats[0].getTimeLag(), Math.max(ppartStats[1].getTimeLag(), ppartStats[2].getTimeLag())));
    assertEquals(statsColl.getStatsCollector().getTotalStats().getMinTimeLag(), Math.min(ppartStats[0].getTimeLag(), Math.min(ppartStats[1].getTimeLag(), ppartStats[2].getTimeLag())));
}

Example 27 with DbusEventsTotalStats

use of com.linkedin.databus.core.monitoring.mbean.DbusEventsTotalStats in project databus by linkedin.

the class ClientStatsRequestProcessor method processEventsSourceStats.

private void processEventsSourceStats(DbusEventsStatisticsCollector statsCollector, String prefix, DatabusRequest request) throws IOException, RequestProcessingException {
    if (null == statsCollector)
        return;
    String category = request.getParams().getProperty(DatabusRequest.PATH_PARAM_NAME);
    String sourceIdStr = category.substring(prefix.length());
    int sourceId = -1;
    try {
        sourceId = Integer.valueOf(sourceIdStr);
    } catch (NumberFormatException nfe) {
        throw new InvalidRequestParamValueException(request.getName(), prefix, sourceIdStr);
    }
    DbusEventsTotalStats sourceStats = statsCollector.getSourceStats(sourceId);
    if (null == sourceStats) {
        throw new InvalidRequestParamValueException(request.getName(), prefix, sourceIdStr);
    }
    writeJsonObjectToResponse(sourceStats, request);
    if (request.getRequestType() == HttpMethod.PUT || request.getRequestType() == HttpMethod.POST) {
        enableOrResetStatsMBean(sourceStats, request);
    }
}