Examples with DispatchManager io.prestosql.dispatcher.DispatchManager used on opensource projects

Example 1 with DispatchManager

use of io.prestosql.dispatcher.DispatchManager in project hetu-core by openlookeng.

the class TestQueuesDb method testRejection.

@Test(timeOut = 60_000)
public void testRejection() throws Exception {
    InternalResourceGroupManager<?> manager = queryRunner.getCoordinator().getResourceGroupManager().get();
    DbResourceGroupConfigurationManager dbConfigurationManager = (DbResourceGroupConfigurationManager) manager.getConfigurationManager();
    // Verify the query cannot be submitted
    QueryId queryId = createQuery(queryRunner, rejectingSession(), LONG_LASTING_QUERY);
    waitForQueryState(queryRunner, queryId, FAILED);
    DispatchManager dispatchManager = queryRunner.getCoordinator().getDispatchManager();
    assertEquals(dispatchManager.getQueryInfo(queryId).getErrorCode(), QUERY_REJECTED.toErrorCode());
    int selectorCount = getSelectors(queryRunner).size();
    dao.insertSelector(4, 100_000, "user.*", "(?i).*reject.*", null, null, null);
    dbConfigurationManager.load();
    assertEquals(getSelectors(queryRunner).size(), selectorCount + 1);
    // Verify the query can be submitted
    queryId = createQuery(queryRunner, rejectingSession(), LONG_LASTING_QUERY);
    waitForQueryState(queryRunner, queryId, RUNNING);
    dao.deleteSelector(4, "user.*", "(?i).*reject.*", null);
    dbConfigurationManager.load();
    // Verify the query cannot be submitted
    queryId = createQuery(queryRunner, rejectingSession(), LONG_LASTING_QUERY);
    waitForQueryState(queryRunner, queryId, FAILED);
}

Example 2 with DispatchManager

use of io.prestosql.dispatcher.DispatchManager in project hetu-core by openlookeng.

the class TestQueryManager method testFailQuery.

@Test(timeOut = 60_000L)
public void testFailQuery() throws Exception {
    DispatchManager dispatchManager = queryRunner.getCoordinator().getDispatchManager();
    QueryId queryId = dispatchManager.createQueryId();
    dispatchManager.createQuery(queryId, "slug", new TestingSessionContext(TEST_SESSION), "SELECT * FROM lineitem").get();
    // wait until query starts running
    while (true) {
        QueryState state = dispatchManager.getQueryInfo(queryId).getState();
        if (state.isDone()) {
            fail("unexpected query state: " + state);
        }
        if (state == RUNNING) {
            break;
        }
        Thread.sleep(100);
    }
    // cancel query
    QueryManager queryManager = queryRunner.getCoordinator().getQueryManager();
    queryManager.failQuery(queryId, new PrestoException(GENERIC_INTERNAL_ERROR, "mock exception"));
    QueryInfo queryInfo = queryManager.getFullQueryInfo(queryId);
    assertEquals(queryInfo.getState(), FAILED);
    assertEquals(queryInfo.getErrorCode(), GENERIC_INTERNAL_ERROR.toErrorCode());
    assertNotNull(queryInfo.getFailureInfo());
    assertEquals(queryInfo.getFailureInfo().getMessage(), "mock exception");
}

Example 3 with DispatchManager

use of io.prestosql.dispatcher.DispatchManager in project hetu-core by openlookeng.

the class AbstractTestDistributedQueries method testQueryLoggingCount.

@Test
public void testQueryLoggingCount() {
    QueryManager queryManager = ((DistributedQueryRunner) getQueryRunner()).getCoordinator().getQueryManager();
    executeExclusively(() -> {
        assertUntilTimeout(() -> assertEquals(queryManager.getQueries().stream().map(BasicQueryInfo::getQueryId).map(queryManager::getFullQueryInfo).filter(info -> !info.isFinalQueryInfo()).collect(toList()), ImmutableList.of()), new Duration(1, MINUTES));
        // We cannot simply get the number of completed queries as soon as all the queries are completed, because this counter may not be up-to-date at that point.
        // The completed queries counter is updated in a final query info listener, which is called eventually.
        // Therefore, here we wait until the value of this counter gets stable.
        DispatchManager dispatchManager = ((DistributedQueryRunner) getQueryRunner()).getCoordinator().getDispatchManager();
        long beforeCompletedQueriesCount = waitUntilStable(() -> dispatchManager.getStats().getCompletedQueries().getTotalCount(), new Duration(5, SECONDS));
        long beforeSubmittedQueriesCount = dispatchManager.getStats().getSubmittedQueries().getTotalCount();
        assertUpdate("CREATE TABLE test_query_logging_count AS SELECT 1 foo_1, 2 foo_2_4", 1);
        assertQuery("SELECT foo_1, foo_2_4 FROM test_query_logging_count", "SELECT 1, 2");
        assertUpdate("DROP TABLE test_query_logging_count");
        assertQueryFails("SELECT * FROM test_query_logging_count", ".*Table .* does not exist");
        // TODO: Figure out a better way of synchronization
        assertUntilTimeout(() -> assertEquals(dispatchManager.getStats().getCompletedQueries().getTotalCount() - beforeCompletedQueriesCount, 4), new Duration(1, MINUTES));
        assertEquals(dispatchManager.getStats().getSubmittedQueries().getTotalCount() - beforeSubmittedQueriesCount, 4);
    });
}

Example 4 with DispatchManager

use of io.prestosql.dispatcher.DispatchManager in project hetu-core by openlookeng.

the class TestQueuesDb method testSelectorPriority.

@Test(timeOut = 60_000)
public void testSelectorPriority() throws Exception {
    InternalResourceGroupManager<?> manager = queryRunner.getCoordinator().getResourceGroupManager().get();
    QueryManager queryManager = queryRunner.getCoordinator().getQueryManager();
    DbResourceGroupConfigurationManager dbConfigurationManager = (DbResourceGroupConfigurationManager) manager.getConfigurationManager();
    QueryId firstQuery = createQuery(queryRunner, dashboardSession(), LONG_LASTING_QUERY);
    waitForQueryState(queryRunner, firstQuery, RUNNING);
    Optional<ResourceGroupId> resourceGroup = queryManager.getFullQueryInfo(firstQuery).getResourceGroupId();
    assertTrue(resourceGroup.isPresent());
    assertEquals(resourceGroup.get().toString(), "global.user-user.dashboard-user");
    // create a new resource group that rejects all queries submitted to it
    // Hetu: add parameters softReservedMemory and hardReservedConcurrency
    dao.insertResourceGroup(8, "reject-all-queries", "1MB", "1MB", 0, 0, 0, 0, null, null, null, null, null, "RECENT_QUERIES", 3L, TEST_ENVIRONMENT);
    // add a new selector that has a higher priority than the existing dashboard selector and that routes queries to the "reject-all-queries" resource group
    dao.insertSelector(8, 200, "user.*", "(?i).*dashboard.*", null, null, null);
    // reload the configuration
    dbConfigurationManager.load();
    QueryId secondQuery = createQuery(queryRunner, dashboardSession(), LONG_LASTING_QUERY);
    waitForQueryState(queryRunner, secondQuery, FAILED);
    DispatchManager dispatchManager = queryRunner.getCoordinator().getDispatchManager();
    BasicQueryInfo basicQueryInfo = dispatchManager.getQueryInfo(secondQuery);
    assertEquals(basicQueryInfo.getErrorCode(), QUERY_QUEUE_FULL.toErrorCode());
}

Example 5 with DispatchManager

use of io.prestosql.dispatcher.DispatchManager in project hetu-core by openlookeng.

the class TestQueuesDb method testQueryExecutionTimeLimit.

@Test(timeOut = 60_000)
public void testQueryExecutionTimeLimit() throws Exception {
    QueryManager queryManager = queryRunner.getCoordinator().getQueryManager();
    InternalResourceGroupManager<?> manager = queryRunner.getCoordinator().getResourceGroupManager().get();
    DbResourceGroupConfigurationManager dbConfigurationManager = (DbResourceGroupConfigurationManager) manager.getConfigurationManager();
    QueryId firstQuery = createQuery(queryRunner, testSessionBuilder().setCatalog("tpch").setSchema("sf100000").setSource("dashboard").setSystemProperty(QUERY_MAX_EXECUTION_TIME, "1ms").build(), LONG_LASTING_QUERY);
    waitForQueryState(queryRunner, firstQuery, FAILED);
    assertEquals(queryManager.getFullQueryInfo(firstQuery).getErrorCode(), EXCEEDED_TIME_LIMIT.toErrorCode());
    assertContains(queryManager.getFullQueryInfo(firstQuery).getFailureInfo().getMessage(), "Query exceeded the maximum execution time limit of 1.00ms");
    // set max running queries to 0 for the dashboard resource group so that new queries get queued immediately
    // Hetu: add parameters softReservedMemory and hardReservedConcurrency
    dao.updateResourceGroup(5, "dashboard-${USER}", "1MB", "1MB", 1, null, 0, 0, null, null, null, null, null, "RECENT_QUERIES", 3L, TEST_ENVIRONMENT);
    dbConfigurationManager.load();
    QueryId secondQuery = createQuery(queryRunner, testSessionBuilder().setCatalog("tpch").setSchema("sf100000").setSource("dashboard").setSystemProperty(QUERY_MAX_EXECUTION_TIME, "1ms").build(), LONG_LASTING_QUERY);
    // this query should immediately get queued
    waitForQueryState(queryRunner, secondQuery, QUEUED);
    // after a 5s wait this query should still be QUEUED, not FAILED as the max execution time should be enforced after the query starts running
    Thread.sleep(5_000);
    DispatchManager dispatchManager = queryRunner.getCoordinator().getDispatchManager();
    assertEquals(dispatchManager.getQueryInfo(secondQuery).getState(), QUEUED);
    // reconfigure the resource group to run the second query
    // Hetu: add parameters softReservedMemory and hardReservedConcurrency
    dao.updateResourceGroup(5, "dashboard-${USER}", "1MB", "1MB", 1, null, 1, 0, null, null, null, null, null, "RECENT_QUERIES", 3L, TEST_ENVIRONMENT);
    dbConfigurationManager.load();
    // cancel the first one and let the second one start
    dispatchManager.cancelQuery(firstQuery);
    // wait until the second one is FAILED
    waitForQueryState(queryRunner, secondQuery, FAILED);
}