Examples with Tracing io.opencensus.trace.Tracing used on opensource projects

Example 1 with Tracing

use of io.opencensus.trace.Tracing in project ignite by apache.

the class OpenCensusSqlNativeTracingTest method testDistributedJoin.

/**
 * Tests tracing of distributed join query which includes all communications between reducer and mapped nodes and
 * index range requests.
 *
 * @throws Exception If failed.
 */
@Test
public void testDistributedJoin() throws Exception {
    String prsnTable = createTableAndPopulate(Person.class, PARTITIONED, 1);
    String orgTable = createTableAndPopulate(Organization.class, PARTITIONED, 1);
    SpanId rootSpan = executeAndCheckRootSpan("SELECT * FROM " + prsnTable + " AS p JOIN " + orgTable + " AS o ON o.orgId = p.prsnId", TEST_SCHEMA, false, true, true);
    String qryId = getAttribute(rootSpan, SQL_QRY_ID);
    assertTrue(Long.parseLong(qryId.substring(qryId.indexOf('_') + 1)) > 0);
    UUID.fromString(qryId.substring(0, qryId.indexOf('_')));
    checkChildSpan(SQL_QRY_PARSE, rootSpan);
    checkChildSpan(SQL_CURSOR_OPEN, rootSpan);
    SpanId iterSpan = checkChildSpan(SQL_ITER_OPEN, rootSpan);
    List<SpanId> execReqSpans = checkSpan(SQL_QRY_EXEC_REQ, iterSpan, GRID_CNT, null);
    int idxRangeReqRows = 0;
    int preparedRows = 0;
    int fetchedRows = 0;
    for (int i = 0; i < GRID_CNT; i++) {
        SpanId execReqSpan = execReqSpans.get(i);
        Ignite ignite = Ignition.ignite(UUID.fromString(getAttribute(execReqSpan, NODE_ID)));
        SpanId partsReserveSpan = checkChildSpan(SQL_PARTITIONS_RESERVE, execReqSpan);
        List<String> partsReserveLogs = handler().spanById(partsReserveSpan).getAnnotations().getEvents().stream().map(e -> e.getEvent().getDescription()).collect(Collectors.toList());
        assertEquals(2, partsReserveLogs.size());
        Pattern ptrn = compile("Cache partitions were reserved \\[cache=(.+), partitions=\\[(.+)], topology=(.+)]");
        partsReserveLogs.forEach(l -> {
            Matcher matcher = ptrn.matcher(l);
            assertTrue(matcher.matches());
            Set<Integer> expParts = Arrays.stream(ignite.affinity(matcher.group(1)).primaryPartitions(ignite.cluster().localNode())).boxed().collect(Collectors.toSet());
            Set<Integer> parts = Arrays.stream(matcher.group(2).split(",")).map(s -> parseInt(s.trim())).collect(Collectors.toSet());
            assertEquals(expParts, parts);
        });
        SpanId execSpan = checkChildSpan(SQL_QRY_EXECUTE, execReqSpan);
        List<SpanId> distrLookupReqSpans = findChildSpans(SQL_IDX_RANGE_REQ, execSpan);
        for (SpanId span : distrLookupReqSpans) {
            idxRangeReqRows += parseInt(getAttribute(span, SQL_IDX_RANGE_ROWS));
            checkChildSpan(SQL_IDX_RANGE_RESP, span);
        }
        preparedRows += parseInt(getAttribute(checkChildSpan(SQL_PAGE_PREPARE, execReqSpan), SQL_PAGE_ROWS));
        checkChildSpan(SQL_PAGE_RESP, execReqSpan);
    }
    SpanId pageFetchSpan = checkChildSpan(SQL_PAGE_FETCH, iterSpan);
    fetchedRows += parseInt(getAttribute(pageFetchSpan, SQL_PAGE_ROWS));
    checkChildSpan(SQL_PAGE_WAIT, pageFetchSpan);
    SpanId nexPageSpan = checkChildSpan(SQL_NEXT_PAGE_REQ, pageFetchSpan);
    preparedRows += parseInt(getAttribute(checkChildSpan(SQL_PAGE_PREPARE, nexPageSpan), SQL_PAGE_ROWS));
    checkChildSpan(SQL_PAGE_RESP, nexPageSpan);
    List<SpanId> pageFetchSpans = findChildSpans(SQL_PAGE_FETCH, rootSpan);
    for (SpanId span : pageFetchSpans) {
        fetchedRows += parseInt(getAttribute(span, SQL_PAGE_ROWS));
        checkChildSpan(SQL_PAGE_WAIT, span);
        List<SpanId> nextPageSpans = findChildSpans(SQL_NEXT_PAGE_REQ, span);
        if (!nextPageSpans.isEmpty()) {
            assertEquals(1, nextPageSpans.size());
            SpanId nextPageSpan = nextPageSpans.get(0);
            preparedRows += parseInt(getAttribute(checkChildSpan(SQL_PAGE_PREPARE, nextPageSpan), SQL_PAGE_ROWS));
            checkChildSpan(SQL_PAGE_RESP, nextPageSpan);
        }
    }
    assertEquals(TEST_TABLE_POPULATION, fetchedRows);
    assertEquals(TEST_TABLE_POPULATION, preparedRows);
    assertEquals(TEST_TABLE_POPULATION, idxRangeReqRows);
    checkSpan(SQL_QRY_CANCEL_REQ, rootSpan, mapNodesCount(), null);
    assertFalse(findChildSpans(SQL_CURSOR_CLOSE, rootSpan).isEmpty());
}