use of com.datastax.oss.driver.internal.core.util.concurrent.CapturingTimer.CapturedTimeout in project java-driver by datastax.
the class CqlRequestHandlerSpeculativeExecutionTest method should_fail_if_no_more_nodes_and_initial_execution_is_last.
@Test
@UseDataProvider("idempotentConfig")
public void should_fail_if_no_more_nodes_and_initial_execution_is_last(boolean defaultIdempotence, Statement<?> statement) throws Exception {
RequestHandlerTestHarness.Builder harnessBuilder = RequestHandlerTestHarness.builder().withDefaultIdempotence(defaultIdempotence);
PoolBehavior node1Behavior = harnessBuilder.customBehavior(node1);
harnessBuilder.withResponse(node2, defaultFrameOf(new Error(ProtocolConstants.ErrorCode.IS_BOOTSTRAPPING, "mock message")));
try (RequestHandlerTestHarness harness = harnessBuilder.build()) {
SpeculativeExecutionPolicy speculativeExecutionPolicy = harness.getContext().getSpeculativeExecutionPolicy(DriverExecutionProfile.DEFAULT_NAME);
long firstExecutionDelay = 100L;
when(speculativeExecutionPolicy.nextExecution(any(Node.class), eq(null), eq(statement), eq(1))).thenReturn(firstExecutionDelay);
CompletionStage<AsyncResultSet> resultSetFuture = new CqlRequestHandler(statement, harness.getSession(), harness.getContext(), "test").handle();
node1Behavior.verifyWrite();
node1Behavior.setWriteSuccess();
// do not simulate a response from node1 yet
// Discard the timeout task
harness.nextScheduledTimeout();
// Run the next scheduled task to start the speculative execution. node2 will reply with a
// BOOTSTRAPPING error, causing a RETRY_NEXT; but the query plan is now empty so the
// speculative execution stops.
// next scheduled timeout should be the first speculative execution. Get it and run it.
CapturedTimeout speculativeExecution1 = harness.nextScheduledTimeout();
assertThat(speculativeExecution1.getDelay(TimeUnit.MILLISECONDS)).isEqualTo(firstExecutionDelay);
speculativeExecution1.task().run(speculativeExecution1);
// node1 now replies with the same response, that triggers a RETRY_NEXT
node1Behavior.setResponseSuccess(defaultFrameOf(new Error(ProtocolConstants.ErrorCode.IS_BOOTSTRAPPING, "mock message")));
// But again the query plan is empty so that should fail the request
assertThatStage(resultSetFuture).isFailed(error -> {
assertThat(error).isInstanceOf(AllNodesFailedException.class);
Map<Node, List<Throwable>> nodeErrors = ((AllNodesFailedException) error).getAllErrors();
assertThat(nodeErrors).containsOnlyKeys(node1, node2);
assertThat(nodeErrors.get(node1).get(0)).isInstanceOf(BootstrappingException.class);
assertThat(nodeErrors.get(node2).get(0)).isInstanceOf(BootstrappingException.class);
});
}
}
use of com.datastax.oss.driver.internal.core.util.concurrent.CapturingTimer.CapturedTimeout in project java-driver by datastax.
the class CqlRequestHandlerSpeculativeExecutionTest method should_schedule_speculative_executions.
@Test
@UseDataProvider("idempotentConfig")
public void should_schedule_speculative_executions(boolean defaultIdempotence, Statement<?> statement) throws Exception {
RequestHandlerTestHarness.Builder harnessBuilder = RequestHandlerTestHarness.builder().withDefaultIdempotence(defaultIdempotence);
PoolBehavior node1Behavior = harnessBuilder.customBehavior(node1);
PoolBehavior node2Behavior = harnessBuilder.customBehavior(node2);
PoolBehavior node3Behavior = harnessBuilder.customBehavior(node3);
try (RequestHandlerTestHarness harness = harnessBuilder.build()) {
SpeculativeExecutionPolicy speculativeExecutionPolicy = harness.getContext().getSpeculativeExecutionPolicy(DriverExecutionProfile.DEFAULT_NAME);
long firstExecutionDelay = 100L;
long secondExecutionDelay = 200L;
when(speculativeExecutionPolicy.nextExecution(any(Node.class), eq(null), eq(statement), eq(1))).thenReturn(firstExecutionDelay);
when(speculativeExecutionPolicy.nextExecution(any(Node.class), eq(null), eq(statement), eq(2))).thenReturn(secondExecutionDelay);
when(speculativeExecutionPolicy.nextExecution(any(Node.class), eq(null), eq(statement), eq(3))).thenReturn(-1L);
new CqlRequestHandler(statement, harness.getSession(), harness.getContext(), "test").handle();
node1Behavior.verifyWrite();
node1Behavior.setWriteSuccess();
// Discard the timeout task
harness.nextScheduledTimeout();
CapturedTimeout speculativeExecution1 = harness.nextScheduledTimeout();
assertThat(speculativeExecution1.getDelay(TimeUnit.MILLISECONDS)).isEqualTo(firstExecutionDelay);
verifyNoMoreInteractions(nodeMetricUpdater1);
speculativeExecution1.task().run(speculativeExecution1);
verify(nodeMetricUpdater1).incrementCounter(DefaultNodeMetric.SPECULATIVE_EXECUTIONS, DriverExecutionProfile.DEFAULT_NAME);
node2Behavior.verifyWrite();
node2Behavior.setWriteSuccess();
CapturedTimeout speculativeExecution2 = harness.nextScheduledTimeout();
assertThat(speculativeExecution2.getDelay(TimeUnit.MILLISECONDS)).isEqualTo(secondExecutionDelay);
verifyNoMoreInteractions(nodeMetricUpdater2);
speculativeExecution2.task().run(speculativeExecution2);
verify(nodeMetricUpdater2).incrementCounter(DefaultNodeMetric.SPECULATIVE_EXECUTIONS, DriverExecutionProfile.DEFAULT_NAME);
node3Behavior.verifyWrite();
node3Behavior.setWriteSuccess();
// No more scheduled tasks since the policy returns 0 on the third call.
assertThat(harness.nextScheduledTimeout()).isNull();
// Note that we don't need to complete any response, the test is just about checking that
// executions are started.
}
}
use of com.datastax.oss.driver.internal.core.util.concurrent.CapturingTimer.CapturedTimeout in project java-driver by datastax.
the class CqlRequestHandlerSpeculativeExecutionTest method should_fail_if_no_more_nodes_and_speculative_execution_is_last.
@Test
@UseDataProvider("idempotentConfig")
public void should_fail_if_no_more_nodes_and_speculative_execution_is_last(boolean defaultIdempotence, Statement<?> statement) throws Exception {
RequestHandlerTestHarness.Builder harnessBuilder = RequestHandlerTestHarness.builder().withDefaultIdempotence(defaultIdempotence);
PoolBehavior node1Behavior = harnessBuilder.customBehavior(node1);
PoolBehavior node2Behavior = harnessBuilder.customBehavior(node2);
try (RequestHandlerTestHarness harness = harnessBuilder.build()) {
SpeculativeExecutionPolicy speculativeExecutionPolicy = harness.getContext().getSpeculativeExecutionPolicy(DriverExecutionProfile.DEFAULT_NAME);
long firstExecutionDelay = 100L;
when(speculativeExecutionPolicy.nextExecution(any(Node.class), eq(null), eq(statement), eq(1))).thenReturn(firstExecutionDelay);
CompletionStage<AsyncResultSet> resultSetFuture = new CqlRequestHandler(statement, harness.getSession(), harness.getContext(), "test").handle();
node1Behavior.verifyWrite();
node1Behavior.setWriteSuccess();
// do not simulate a response from node1 yet
// Discard the timeout task
harness.nextScheduledTimeout();
// next scheduled timeout should be the first speculative execution. Get it and run it.
CapturedTimeout speculativeExecution1 = harness.nextScheduledTimeout();
assertThat(speculativeExecution1.getDelay(TimeUnit.MILLISECONDS)).isEqualTo(firstExecutionDelay);
speculativeExecution1.task().run(speculativeExecution1);
// node1 now replies with a BOOTSTRAPPING error that triggers a RETRY_NEXT
// but the query plan is empty so the initial execution stops
node1Behavior.setResponseSuccess(defaultFrameOf(new Error(ProtocolConstants.ErrorCode.IS_BOOTSTRAPPING, "mock message")));
// Same thing with node2, so the speculative execution should reach the end of the query plan
// and fail the request
node2Behavior.setResponseSuccess(defaultFrameOf(new Error(ProtocolConstants.ErrorCode.IS_BOOTSTRAPPING, "mock message")));
assertThatStage(resultSetFuture).isFailed(error -> {
assertThat(error).isInstanceOf(AllNodesFailedException.class);
Map<Node, List<Throwable>> nodeErrors = ((AllNodesFailedException) error).getAllErrors();
assertThat(nodeErrors).containsOnlyKeys(node1, node2);
assertThat(nodeErrors.get(node1).get(0)).isInstanceOf(BootstrappingException.class);
assertThat(nodeErrors.get(node2).get(0)).isInstanceOf(BootstrappingException.class);
});
}
}
use of com.datastax.oss.driver.internal.core.util.concurrent.CapturingTimer.CapturedTimeout in project java-driver by datastax.
the class CqlRequestHandlerTest method should_time_out_if_first_node_takes_too_long_to_respond.
@Test
public void should_time_out_if_first_node_takes_too_long_to_respond() throws Exception {
RequestHandlerTestHarness.Builder harnessBuilder = RequestHandlerTestHarness.builder();
PoolBehavior node1Behavior = harnessBuilder.customBehavior(node1);
node1Behavior.setWriteSuccess();
try (RequestHandlerTestHarness harness = harnessBuilder.build()) {
CompletionStage<AsyncResultSet> resultSetFuture = new CqlRequestHandler(UNDEFINED_IDEMPOTENCE_STATEMENT, harness.getSession(), harness.getContext(), "test").handle();
// First scheduled task is the timeout, run it before node1 has responded
CapturedTimeout requestTimeout = harness.nextScheduledTimeout();
Duration configuredTimeoutDuration = harness.getContext().getConfig().getDefaultProfile().getDuration(DefaultDriverOption.REQUEST_TIMEOUT);
assertThat(requestTimeout.getDelay(TimeUnit.NANOSECONDS)).isEqualTo(configuredTimeoutDuration.toNanos());
requestTimeout.task().run(requestTimeout);
assertThatStage(resultSetFuture).isFailed(t -> assertThat(t).isInstanceOf(DriverTimeoutException.class));
}
}
use of com.datastax.oss.driver.internal.core.util.concurrent.CapturingTimer.CapturedTimeout in project java-driver by datastax.
the class ContinuousGraphRequestHandlerSpeculativeExecutionTest method should_fail_if_no_more_nodes_and_speculative_execution_is_last.
@Test
@UseDataProvider(location = DseTestDataProviders.class, value = "idempotentGraphConfig")
public void should_fail_if_no_more_nodes_and_speculative_execution_is_last(boolean defaultIdempotence, GraphStatement<?> statement) throws Exception {
GraphRequestHandlerTestHarness.Builder harnessBuilder = GraphRequestHandlerTestHarness.builder().withDefaultIdempotence(defaultIdempotence);
PoolBehavior node1Behavior = harnessBuilder.customBehavior(node1);
PoolBehavior node2Behavior = harnessBuilder.customBehavior(node2);
try (GraphRequestHandlerTestHarness harness = harnessBuilder.build()) {
SpeculativeExecutionPolicy speculativeExecutionPolicy = harness.getContext().getSpeculativeExecutionPolicy(DriverExecutionProfile.DEFAULT_NAME);
long firstExecutionDelay = 100L;
when(speculativeExecutionPolicy.nextExecution(any(Node.class), eq(null), eq(statement), eq(1))).thenReturn(firstExecutionDelay);
GraphBinaryModule module = createGraphBinaryModule(harness.getContext());
CompletionStage<AsyncGraphResultSet> resultSetFuture = new ContinuousGraphRequestHandler(statement, harness.getSession(), harness.getContext(), "test", module, graphSupportChecker).handle();
node1Behavior.verifyWrite();
node1Behavior.setWriteSuccess();
// do not simulate a response from node1 yet
// next scheduled timeout should be the first speculative execution. Get it and run it.
CapturedTimeout speculativeExecution1 = harness.nextScheduledTimeout();
assertThat(speculativeExecution1.getDelay(TimeUnit.MILLISECONDS)).isEqualTo(firstExecutionDelay);
speculativeExecution1.task().run(speculativeExecution1);
// node1 now replies with a BOOTSTRAPPING error that triggers a RETRY_NEXT
// but the query plan is empty so the initial execution stops
node1Behavior.setResponseSuccess(defaultDseFrameOf(new Error(ProtocolConstants.ErrorCode.IS_BOOTSTRAPPING, "mock message")));
// Same thing with node2, so the speculative execution should reach the end of the query plan
// and fail the request
node2Behavior.setResponseSuccess(defaultDseFrameOf(new Error(ProtocolConstants.ErrorCode.IS_BOOTSTRAPPING, "mock message")));
assertThatStage(resultSetFuture).isFailed(error -> {
assertThat(error).isInstanceOf(AllNodesFailedException.class);
Map<Node, List<Throwable>> nodeErrors = ((AllNodesFailedException) error).getAllErrors();
assertThat(nodeErrors).containsOnlyKeys(node1, node2);
assertThat(nodeErrors.get(node1).get(0)).isInstanceOf(BootstrappingException.class);
assertThat(nodeErrors.get(node2).get(0)).isInstanceOf(BootstrappingException.class);
});
}
}
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