use of io.prestosql.server.testing.TestingPrestoServer in project hetu-core by openlookeng.
the class TestMemoryManager method testClusterPools.
@Test(timeOut = 240_000)
public void testClusterPools() throws Exception {
Map<String, String> properties = ImmutableMap.<String, String>builder().put("task.verbose-stats", "true").put("experimental.reserved-pool-enabled", "true").build();
try (DistributedQueryRunner queryRunner = createQueryRunner(TINY_SESSION, properties)) {
// Reserve all the memory
QueryId fakeQueryId = new QueryId("fake");
for (TestingPrestoServer server : queryRunner.getServers()) {
for (MemoryPool pool : server.getLocalMemoryManager().getPools()) {
assertTrue(pool.tryReserve(fakeQueryId, "test", pool.getMaxBytes()));
}
}
List<Future<?>> queryFutures = new ArrayList<>();
for (int i = 0; i < 2; i++) {
queryFutures.add(executor.submit(() -> queryRunner.execute("SELECT COUNT(*), clerk FROM orders GROUP BY clerk")));
}
ClusterMemoryManager memoryManager = queryRunner.getCoordinator().getClusterMemoryManager();
ClusterMemoryPool reservedPool;
while ((reservedPool = memoryManager.getPools().get(RESERVED_POOL)) == null) {
MILLISECONDS.sleep(10);
}
ClusterMemoryPool generalPool = memoryManager.getPools().get(GENERAL_POOL);
assertNotNull(generalPool);
// Wait for the queries to start running and get assigned to the expected pools
while (generalPool.getAssignedQueries() != 1 || reservedPool.getAssignedQueries() != 1 || generalPool.getBlockedNodes() != 2 || reservedPool.getBlockedNodes() != 2) {
MILLISECONDS.sleep(10);
}
// Make sure the queries are blocked
List<BasicQueryInfo> currentQueryInfos = queryRunner.getCoordinator().getQueryManager().getQueries();
for (BasicQueryInfo info : currentQueryInfos) {
assertFalse(info.getState().isDone());
}
assertEquals(currentQueryInfos.size(), 2);
// Check that the pool information propagated to the query objects
assertNotEquals(currentQueryInfos.get(0).getMemoryPool(), currentQueryInfos.get(1).getMemoryPool());
while (!currentQueryInfos.stream().allMatch(TestMemoryManager::isBlockedWaitingForMemory)) {
MILLISECONDS.sleep(10);
currentQueryInfos = queryRunner.getCoordinator().getQueryManager().getQueries();
for (BasicQueryInfo info : currentQueryInfos) {
assertFalse(info.getState().isDone());
}
}
// Release the memory in the reserved pool
for (TestingPrestoServer server : queryRunner.getServers()) {
Optional<MemoryPool> reserved = server.getLocalMemoryManager().getReservedPool();
assertTrue(reserved.isPresent());
// Free up the entire pool
reserved.get().free(fakeQueryId, "test", reserved.get().getMaxBytes());
assertTrue(reserved.get().getFreeBytes() > 0);
}
// This also checks that the query in the general pool is successfully moved to the reserved pool.
for (Future<?> query : queryFutures) {
query.get();
}
for (BasicQueryInfo info : queryRunner.getCoordinator().getQueryManager().getQueries()) {
assertEquals(info.getState(), FINISHED);
}
// Make sure we didn't leak any memory on the workers
for (TestingPrestoServer worker : queryRunner.getServers()) {
Optional<MemoryPool> reserved = worker.getLocalMemoryManager().getReservedPool();
assertTrue(reserved.isPresent());
assertEquals(reserved.get().getMaxBytes(), reserved.get().getFreeBytes());
MemoryPool general = worker.getLocalMemoryManager().getGeneralPool();
// Free up the memory we reserved earlier
general.free(fakeQueryId, "test", general.getMaxBytes());
assertEquals(general.getMaxBytes(), general.getFreeBytes());
}
}
}
use of io.prestosql.server.testing.TestingPrestoServer in project hetu-core by openlookeng.
the class TestMemoryManager method testOutOfMemoryKiller.
@Test(timeOut = 240_000, expectedExceptions = ExecutionException.class, expectedExceptionsMessageRegExp = ".*Query killed because the cluster is out of memory. Please try again in a few minutes.")
public void testOutOfMemoryKiller() throws Exception {
Map<String, String> properties = ImmutableMap.<String, String>builder().put("task.verbose-stats", "true").put("query.low-memory-killer.delay", "5s").put("query.low-memory-killer.policy", "total-reservation").put("experimental.reserved-pool-enabled", "true").build();
try (DistributedQueryRunner queryRunner = createQueryRunner(TINY_SESSION, properties)) {
// Reserve all the memory
QueryId fakeQueryId = new QueryId("fake");
for (TestingPrestoServer server : queryRunner.getServers()) {
for (MemoryPool pool : server.getLocalMemoryManager().getPools()) {
assertTrue(pool.tryReserve(fakeQueryId, "test", pool.getMaxBytes()));
}
}
List<Future<?>> queryFutures = new ArrayList<>();
for (int i = 0; i < 2; i++) {
queryFutures.add(executor.submit(() -> queryRunner.execute("SELECT COUNT(*), clerk FROM orders GROUP BY clerk")));
}
// Wait for one of the queries to die
waitForQueryToBeKilled(queryRunner);
// Release the memory in the reserved pool
for (TestingPrestoServer server : queryRunner.getServers()) {
Optional<MemoryPool> reserved = server.getLocalMemoryManager().getReservedPool();
assertTrue(reserved.isPresent());
// Free up the entire pool
reserved.get().free(fakeQueryId, "test", reserved.get().getMaxBytes());
assertTrue(reserved.get().getFreeBytes() > 0);
}
for (Future<?> query : queryFutures) {
query.get();
}
}
}
use of io.prestosql.server.testing.TestingPrestoServer in project hetu-core by openlookeng.
the class TestMemoryManager method testNoLeak.
private void testNoLeak(@Language("SQL") String query) throws Exception {
Map<String, String> properties = ImmutableMap.<String, String>builder().put("task.verbose-stats", "true").put("experimental.reserved-pool-enabled", "true").build();
try (DistributedQueryRunner queryRunner = createQueryRunner(TINY_SESSION, properties)) {
executor.submit(() -> queryRunner.execute(query)).get();
for (BasicQueryInfo info : queryRunner.getCoordinator().getQueryManager().getQueries()) {
assertEquals(info.getState(), FINISHED);
}
// Make sure we didn't leak any memory on the workers
for (TestingPrestoServer worker : queryRunner.getServers()) {
Optional<MemoryPool> reserved = worker.getLocalMemoryManager().getReservedPool();
assertTrue(reserved.isPresent());
assertEquals(reserved.get().getMaxBytes(), reserved.get().getFreeBytes());
MemoryPool general = worker.getLocalMemoryManager().getGeneralPool();
assertEquals(general.getMaxBytes(), general.getFreeBytes());
}
}
}
use of io.prestosql.server.testing.TestingPrestoServer in project hetu-core by openlookeng.
the class TestMemoryManager method testReservedPoolDisabled.
@Test(timeOut = 240_000, expectedExceptions = ExecutionException.class, expectedExceptionsMessageRegExp = ".*Query killed because the cluster is out of memory. Please try again in a few minutes.")
public void testReservedPoolDisabled() throws Exception {
Map<String, String> properties = ImmutableMap.<String, String>builder().put("experimental.reserved-pool-enabled", "false").put("query.low-memory-killer.delay", "5s").put("query.low-memory-killer.policy", "total-reservation").build();
try (DistributedQueryRunner queryRunner = createQueryRunner(TINY_SESSION, properties)) {
// Reserve all the memory
QueryId fakeQueryId = new QueryId("fake");
for (TestingPrestoServer server : queryRunner.getServers()) {
List<MemoryPool> memoryPools = server.getLocalMemoryManager().getPools();
assertEquals(memoryPools.size(), 1, "Only general pool should exist");
assertTrue(memoryPools.get(0).tryReserve(fakeQueryId, "test", memoryPools.get(0).getMaxBytes()));
}
List<Future<?>> queryFutures = new ArrayList<>();
for (int i = 0; i < 2; i++) {
queryFutures.add(executor.submit(() -> queryRunner.execute("SELECT COUNT(*), clerk FROM orders GROUP BY clerk")));
}
// Wait for one of the queries to die
waitForQueryToBeKilled(queryRunner);
// Reserved pool shouldn't exist on the workers and allocation should have been done in the general pool
for (TestingPrestoServer server : queryRunner.getServers()) {
Optional<MemoryPool> reserved = server.getLocalMemoryManager().getReservedPool();
MemoryPool general = server.getLocalMemoryManager().getGeneralPool();
assertFalse(reserved.isPresent());
assertTrue(general.getReservedBytes() > 0);
// Free up the entire pool
general.free(fakeQueryId, "test", general.getMaxBytes());
assertTrue(general.getFreeBytes() > 0);
}
for (Future<?> query : queryFutures) {
query.get();
}
}
}
use of io.prestosql.server.testing.TestingPrestoServer in project hetu-core by openlookeng.
the class TestProcedureCall method setUp.
@BeforeClass
public void setUp() {
TestingPrestoServer coordinator = ((DistributedQueryRunner) getQueryRunner()).getCoordinator();
tester = coordinator.getProcedureTester();
// register procedures in the bogus testing catalog
ProcedureRegistry procedureRegistry = coordinator.getMetadata().getProcedureRegistry();
TestingProcedures procedures = new TestingProcedures(coordinator.getProcedureTester());
procedureRegistry.addProcedures(new CatalogName(TESTING_CATALOG), procedures.getProcedures(PROCEDURE_SCHEMA));
session = testSessionBuilder().setCatalog(TESTING_CATALOG).setSchema(PROCEDURE_SCHEMA).build();
}
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