use of org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetDiagnosticsRequest in project hadoop by apache.
the class ClientServiceDelegate method getTaskDiagnostics.
public String[] getTaskDiagnostics(org.apache.hadoop.mapreduce.TaskAttemptID arg0) throws IOException, InterruptedException {
org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId attemptID = TypeConverter.toYarn(arg0);
GetDiagnosticsRequest request = recordFactory.newRecordInstance(GetDiagnosticsRequest.class);
request.setTaskAttemptId(attemptID);
List<String> list = ((GetDiagnosticsResponse) invoke("getDiagnostics", GetDiagnosticsRequest.class, request)).getDiagnosticsList();
String[] result = new String[list.size()];
int i = 0;
for (String c : list) {
result[i++] = c.toString();
}
return result;
}
use of org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetDiagnosticsRequest in project hadoop by apache.
the class NotRunningJob method getDiagnostics.
@Override
public GetDiagnosticsResponse getDiagnostics(GetDiagnosticsRequest request) throws IOException {
GetDiagnosticsResponse resp = recordFactory.newRecordInstance(GetDiagnosticsResponse.class);
resp.addDiagnostics("");
return resp;
}
use of org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetDiagnosticsRequest in project hadoop by apache.
the class TestMRClientService method test.
@Test
public void test() throws Exception {
MRAppWithClientService app = new MRAppWithClientService(1, 0, false);
Configuration conf = new Configuration();
Job job = app.submit(conf);
app.waitForState(job, JobState.RUNNING);
Assert.assertEquals("Num tasks not correct", 1, job.getTasks().size());
Iterator<Task> it = job.getTasks().values().iterator();
Task task = it.next();
app.waitForState(task, TaskState.RUNNING);
TaskAttempt attempt = task.getAttempts().values().iterator().next();
app.waitForState(attempt, TaskAttemptState.RUNNING);
// send the diagnostic
String diagnostic1 = "Diagnostic1";
String diagnostic2 = "Diagnostic2";
app.getContext().getEventHandler().handle(new TaskAttemptDiagnosticsUpdateEvent(attempt.getID(), diagnostic1));
// send the status update
TaskAttemptStatus taskAttemptStatus = new TaskAttemptStatus();
taskAttemptStatus.id = attempt.getID();
taskAttemptStatus.progress = 0.5f;
taskAttemptStatus.stateString = "RUNNING";
taskAttemptStatus.taskState = TaskAttemptState.RUNNING;
taskAttemptStatus.phase = Phase.MAP;
// send the status update
app.getContext().getEventHandler().handle(new TaskAttemptStatusUpdateEvent(attempt.getID(), taskAttemptStatus));
//verify that all object are fully populated by invoking RPCs.
YarnRPC rpc = YarnRPC.create(conf);
MRClientProtocol proxy = (MRClientProtocol) rpc.getProxy(MRClientProtocol.class, app.clientService.getBindAddress(), conf);
GetCountersRequest gcRequest = recordFactory.newRecordInstance(GetCountersRequest.class);
gcRequest.setJobId(job.getID());
Assert.assertNotNull("Counters is null", proxy.getCounters(gcRequest).getCounters());
GetJobReportRequest gjrRequest = recordFactory.newRecordInstance(GetJobReportRequest.class);
gjrRequest.setJobId(job.getID());
JobReport jr = proxy.getJobReport(gjrRequest).getJobReport();
verifyJobReport(jr);
GetTaskAttemptCompletionEventsRequest gtaceRequest = recordFactory.newRecordInstance(GetTaskAttemptCompletionEventsRequest.class);
gtaceRequest.setJobId(job.getID());
gtaceRequest.setFromEventId(0);
gtaceRequest.setMaxEvents(10);
Assert.assertNotNull("TaskCompletionEvents is null", proxy.getTaskAttemptCompletionEvents(gtaceRequest).getCompletionEventList());
GetDiagnosticsRequest gdRequest = recordFactory.newRecordInstance(GetDiagnosticsRequest.class);
gdRequest.setTaskAttemptId(attempt.getID());
Assert.assertNotNull("Diagnostics is null", proxy.getDiagnostics(gdRequest).getDiagnosticsList());
GetTaskAttemptReportRequest gtarRequest = recordFactory.newRecordInstance(GetTaskAttemptReportRequest.class);
gtarRequest.setTaskAttemptId(attempt.getID());
TaskAttemptReport tar = proxy.getTaskAttemptReport(gtarRequest).getTaskAttemptReport();
verifyTaskAttemptReport(tar);
GetTaskReportRequest gtrRequest = recordFactory.newRecordInstance(GetTaskReportRequest.class);
gtrRequest.setTaskId(task.getID());
Assert.assertNotNull("TaskReport is null", proxy.getTaskReport(gtrRequest).getTaskReport());
GetTaskReportsRequest gtreportsRequest = recordFactory.newRecordInstance(GetTaskReportsRequest.class);
gtreportsRequest.setJobId(job.getID());
gtreportsRequest.setTaskType(TaskType.MAP);
Assert.assertNotNull("TaskReports for map is null", proxy.getTaskReports(gtreportsRequest).getTaskReportList());
gtreportsRequest = recordFactory.newRecordInstance(GetTaskReportsRequest.class);
gtreportsRequest.setJobId(job.getID());
gtreportsRequest.setTaskType(TaskType.REDUCE);
Assert.assertNotNull("TaskReports for reduce is null", proxy.getTaskReports(gtreportsRequest).getTaskReportList());
List<String> diag = proxy.getDiagnostics(gdRequest).getDiagnosticsList();
Assert.assertEquals("Num diagnostics not correct", 1, diag.size());
Assert.assertEquals("Diag 1 not correct", diagnostic1, diag.get(0).toString());
TaskReport taskReport = proxy.getTaskReport(gtrRequest).getTaskReport();
Assert.assertEquals("Num diagnostics not correct", 1, taskReport.getDiagnosticsCount());
//send the done signal to the task
app.getContext().getEventHandler().handle(new TaskAttemptEvent(task.getAttempts().values().iterator().next().getID(), TaskAttemptEventType.TA_DONE));
app.waitForState(job, JobState.SUCCEEDED);
// For invalid jobid, throw IOException
gtreportsRequest = recordFactory.newRecordInstance(GetTaskReportsRequest.class);
gtreportsRequest.setJobId(TypeConverter.toYarn(JobID.forName("job_1415730144495_0001")));
gtreportsRequest.setTaskType(TaskType.REDUCE);
try {
proxy.getTaskReports(gtreportsRequest);
fail("IOException not thrown for invalid job id");
} catch (IOException e) {
// Expected
}
}
use of org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetDiagnosticsRequest in project hadoop by apache.
the class TestJobHistoryServer method testReports.
//Test reports of JobHistoryServer. History server should get log files from MRApp and read them
@Test(timeout = 50000)
public void testReports() throws Exception {
Configuration config = new Configuration();
config.setClass(CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY, MyResolver.class, DNSToSwitchMapping.class);
RackResolver.init(config);
MRApp app = new MRAppWithHistory(1, 1, true, this.getClass().getName(), true);
app.submit(config);
Job job = app.getContext().getAllJobs().values().iterator().next();
app.waitForState(job, JobState.SUCCEEDED);
historyServer = new JobHistoryServer();
historyServer.init(config);
historyServer.start();
// search JobHistory service
JobHistory jobHistory = null;
for (Service service : historyServer.getServices()) {
if (service instanceof JobHistory) {
jobHistory = (JobHistory) service;
}
}
;
Map<JobId, Job> jobs = jobHistory.getAllJobs();
assertEquals(1, jobs.size());
assertEquals("job_0_0000", jobs.keySet().iterator().next().toString());
Task task = job.getTasks().values().iterator().next();
TaskAttempt attempt = task.getAttempts().values().iterator().next();
HistoryClientService historyService = historyServer.getClientService();
MRClientProtocol protocol = historyService.getClientHandler();
GetTaskAttemptReportRequest gtarRequest = recordFactory.newRecordInstance(GetTaskAttemptReportRequest.class);
// test getTaskAttemptReport
TaskAttemptId taId = attempt.getID();
taId.setTaskId(task.getID());
taId.getTaskId().setJobId(job.getID());
gtarRequest.setTaskAttemptId(taId);
GetTaskAttemptReportResponse response = protocol.getTaskAttemptReport(gtarRequest);
assertEquals("container_0_0000_01_000000", response.getTaskAttemptReport().getContainerId().toString());
assertTrue(response.getTaskAttemptReport().getDiagnosticInfo().isEmpty());
// counters
assertNotNull(response.getTaskAttemptReport().getCounters().getCounter(TaskCounter.PHYSICAL_MEMORY_BYTES));
assertEquals(taId.toString(), response.getTaskAttemptReport().getTaskAttemptId().toString());
// test getTaskReport
GetTaskReportRequest request = recordFactory.newRecordInstance(GetTaskReportRequest.class);
TaskId taskId = task.getID();
taskId.setJobId(job.getID());
request.setTaskId(taskId);
GetTaskReportResponse reportResponse = protocol.getTaskReport(request);
assertEquals("", reportResponse.getTaskReport().getDiagnosticsList().iterator().next());
// progress
assertEquals(1.0f, reportResponse.getTaskReport().getProgress(), 0.01);
// report has corrected taskId
assertEquals(taskId.toString(), reportResponse.getTaskReport().getTaskId().toString());
// Task state should be SUCCEEDED
assertEquals(TaskState.SUCCEEDED, reportResponse.getTaskReport().getTaskState());
// For invalid jobid, throw IOException
GetTaskReportsRequest gtreportsRequest = recordFactory.newRecordInstance(GetTaskReportsRequest.class);
gtreportsRequest.setJobId(TypeConverter.toYarn(JobID.forName("job_1415730144495_0001")));
gtreportsRequest.setTaskType(TaskType.REDUCE);
try {
protocol.getTaskReports(gtreportsRequest);
fail("IOException not thrown for invalid job id");
} catch (IOException e) {
// Expected
}
// test getTaskAttemptCompletionEvents
GetTaskAttemptCompletionEventsRequest taskAttemptRequest = recordFactory.newRecordInstance(GetTaskAttemptCompletionEventsRequest.class);
taskAttemptRequest.setJobId(job.getID());
GetTaskAttemptCompletionEventsResponse taskAttemptCompletionEventsResponse = protocol.getTaskAttemptCompletionEvents(taskAttemptRequest);
assertEquals(0, taskAttemptCompletionEventsResponse.getCompletionEventCount());
// test getDiagnostics
GetDiagnosticsRequest diagnosticRequest = recordFactory.newRecordInstance(GetDiagnosticsRequest.class);
diagnosticRequest.setTaskAttemptId(taId);
GetDiagnosticsResponse diagnosticResponse = protocol.getDiagnostics(diagnosticRequest);
// it is strange : why one empty string ?
assertEquals(1, diagnosticResponse.getDiagnosticsCount());
assertEquals("", diagnosticResponse.getDiagnostics(0));
}
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