Fix sequence id issue on resuming experiment

src/nni_manager/common/experimentStartupInfo.ts

@@ -27,6 +27,7 @@ class ExperimentStartupInfo {
     private experimentId: string = '';
     private newExperiment: boolean = true;
     private initialized: boolean = false;
+    private initTrialSequenceID: number = 0;
 
     public setStartupInfo(newExperiment: boolean, experimentId: string): void {
         assert(!this.initialized);
@@ -48,6 +49,17 @@ class ExperimentStartupInfo {
 
         return this.newExperiment;
     }
+
+    public setInitTrialSequenceId(initSequenceId: number): void {
+        assert(this.initialized);
+        this.initTrialSequenceID = initSequenceId;
+    }
+
+    public getInitTrialSequenceId(): number {
+        assert(this.initialized);
+
+        return this.initTrialSequenceID;
+    }
 }
 
 function getExperimentId(): string {
@@ -58,8 +70,17 @@ function isNewExperiment(): boolean {
     return component.get<ExperimentStartupInfo>(ExperimentStartupInfo).isNewExperiment();
 }
 
+function setInitTrialSequenceId(initSequenceId: number): void {
+    component.get<ExperimentStartupInfo>(ExperimentStartupInfo).setInitTrialSequenceId(initSequenceId);
+}
+
+function getInitTrialSequenceId(): number {
+    return component.get<ExperimentStartupInfo>(ExperimentStartupInfo).getInitTrialSequenceId();
+}
+
 function setExperimentStartupInfo(newExperiment: boolean, experimentId: string): void {
     component.get<ExperimentStartupInfo>(ExperimentStartupInfo).setStartupInfo(newExperiment, experimentId);
 }
 
-export { ExperimentStartupInfo, getExperimentId, isNewExperiment, setExperimentStartupInfo };
+export { ExperimentStartupInfo, getExperimentId, isNewExperiment,
+    setExperimentStartupInfo, setInitTrialSequenceId, getInitTrialSequenceId };

src/nni_manager/common/manager.ts

@@ -65,6 +65,7 @@ interface ExperimentProfile {
     logDir?: string;
     startTime?: number;
     endTime?: number;
+    maxSequenceId: number;
     revision: number;
 }
 

src/nni_manager/core/nnimanager.ts

@@ -26,7 +26,7 @@ import { Deferred } from 'ts-deferred';
 import * as component from '../common/component';
 import { DataStore, MetricDataRecord, MetricType, TrialJobInfo } from '../common/datastore';
 import { NNIError } from '../common/errors';
-import { getExperimentId } from '../common/experimentStartupInfo';
+import { getExperimentId, setInitTrialSequenceId } from '../common/experimentStartupInfo';
 import { getLogger, Logger } from '../common/log';
 import {
     ExperimentParams, ExperimentProfile, Manager,
@@ -152,6 +152,8 @@ class NNIManager implements Manager {
         this.experimentProfile = await this.dataStore.getExperimentProfile(experimentId);
         const expParams: ExperimentParams = this.experimentProfile.params;
 
+        setInitTrialSequenceId(this.experimentProfile.maxSequenceId + 1);
+
         // Set up multiphase config
         if (expParams.multiPhase && this.trainingService.isMultiPhaseJobSupported) {
             this.trainingService.setClusterMetadata('multiPhase', expParams.multiPhase.toString());
@@ -457,6 +459,7 @@ class NNIManager implements Manager {
                         }
                     };
                     const trialJobDetail: TrialJobDetail = await this.trainingService.submitTrialJob(trialJobAppForm);
+                    await this.storeMaxSequenceId(trialJobDetail.sequenceId);
                     this.trialJobs.set(trialJobDetail.id, Object.assign({}, trialJobDetail));
                     const trialJobDetailSnapshot: TrialJobDetail | undefined = this.trialJobs.get(trialJobDetail.id);
                     if (trialJobDetailSnapshot != undefined) {
@@ -588,6 +591,7 @@ class NNIManager implements Manager {
             revision: 0,
             execDuration: 0,
             logDir: getLogDir(),
+            maxSequenceId: 0,
             params: {
                 authorName: '',
                 experimentName: '',
@@ -604,6 +608,13 @@ class NNIManager implements Manager {
             }
         };
     }
+
+    private async storeMaxSequenceId(sequenceId: number): Promise<void> {
+        if (sequenceId > this.experimentProfile.maxSequenceId) {
+            this.experimentProfile.maxSequenceId = sequenceId;
+            await this.storeExperimentProfile();
+        }
+    }
 }
 
 export { NNIManager };

src/nni_manager/core/sqlDatabase.ts

@@ -53,6 +53,7 @@ create table ExperimentProfile (
     startTime integer,
     endTime integer,
     logDir text,
+    maxSequenceId integer,
     revision integer);
 create index ExperimentProfile_id on ExperimentProfile(id);
 `;
@@ -65,6 +66,7 @@ function loadExperimentProfile(row: any): ExperimentProfile {
         startTime: row.startTime === null ? undefined : row.startTime,
         endTime: row.endTime === null ? undefined : row.endTime,
         logDir: row.logDir === null ? undefined : row.logDir,
+        maxSequenceId: row.maxSequenceId,
         revision: row.revision
     };
 }
@@ -131,14 +133,15 @@ class SqlDB implements Database {
     }
 
     public storeExperimentProfile(exp: ExperimentProfile): Promise<void> {
-        const sql: string = 'insert into ExperimentProfile values (?,?,?,?,?,?,?)';
+        const sql: string = 'insert into ExperimentProfile values (?,?,?,?,?,?,?,?)';
         const args: any[] = [
             JSON.stringify(exp.params),
             exp.id,
             exp.execDuration,
             exp.startTime === undefined ? null : exp.startTime,
             exp.endTime === undefined ? null : exp.endTime,
             exp.logDir === undefined ? null : exp.logDir,
+            exp.maxSequenceId,
             exp.revision
         ];
 

src/nni_manager/core/test/dataStore.test.ts

@@ -79,6 +79,7 @@ describe('Unit test for dataStore', () => {
             execDuration: 0,
             startTime: Date.now(),
             endTime: Date.now(),
+            maxSequenceId: 0,
             revision: 0
         }
         const id: string = profile.id;

src/nni_manager/core/test/sqlDatabase.test.ts

@@ -64,10 +64,10 @@ const expParams2: ExperimentParams = {
 };
 
 const profiles: ExperimentProfile[] = [
-    { params: expParams1, id: '#1', execDuration: 0, startTime: Date.now(), endTime: undefined, revision: 1 },
-    { params: expParams1, id: '#1', execDuration: 0, startTime: Date.now(), endTime: Date.now(), revision: 2 },
-    { params: expParams2, id: '#2', execDuration: 0, startTime: Date.now(), endTime: Date.now(), revision: 2 },
-    { params: expParams2, id: '#2', execDuration: 0, startTime: Date.now(), endTime: Date.now(), revision: 3 }
+    { params: expParams1, id: '#1', execDuration: 0, startTime: Date.now(), endTime: undefined, revision: 1, maxSequenceId: 0 },
+    { params: expParams1, id: '#1', execDuration: 0, startTime: Date.now(), endTime: Date.now(), revision: 2, maxSequenceId: 0 },
+    { params: expParams2, id: '#2', execDuration: 0, startTime: Date.now(), endTime: Date.now(), revision: 2, maxSequenceId: 0 },
+    { params: expParams2, id: '#2', execDuration: 0, startTime: Date.now(), endTime: Date.now(), revision: 3, maxSequenceId: 0 }
 ];
 
 const events: TrialJobEventRecord[] = [

src/nni_manager/rest_server/test/mockedNNIManager.ts

@@ -147,6 +147,7 @@ export class MockedNNIManager extends Manager {
             execDuration: 0,
             startTime: Date.now(),
             endTime: Date.now(),
+            maxSequenceId: 0,
             revision: 0
         };
 

src/nni_manager/training_service/local/localTrainingService.ts

@@ -30,12 +30,12 @@ import { MethodNotImplementedError, NNIError, NNIErrorNames } from '../../common
 import { getLogger, Logger } from '../../common/log';
 import { TrialConfig } from '../common/trialConfig';
 import { TrialConfigMetadataKey } from '../common/trialConfigMetadataKey';
+import { getInitTrialSequenceId } from '../../common/experimentStartupInfo';
 import {
     HostJobApplicationForm, JobApplicationForm, HyperParameters, TrainingService, TrialJobApplicationForm,
     TrialJobDetail, TrialJobMetric, TrialJobStatus
 } from '../../common/trainingService';
 import { delay, generateParamFileName, getExperimentRootDir, uniqueString } from '../../common/utils';
-import { file } from 'tmp';
 
 const tkill = require('tree-kill');
 
@@ -111,7 +111,7 @@ class LocalTrainingService implements TrainingService {
         this.initialized = false;
         this.stopping = false;
         this.log = getLogger();
-        this.trialSequenceId = 0;
+        this.trialSequenceId = -1;
     }
 
     public async run(): Promise<void> {
@@ -432,6 +432,10 @@ class LocalTrainingService implements TrainingService {
     }
 
     private generateSequenceId(): number {
+        if (this.trialSequenceId === -1) {
+            this.trialSequenceId = getInitTrialSequenceId();
+        }
+
         return this.trialSequenceId++;
     }
 

src/nni_manager/training_service/pai/paiTrainingService.ts

@@ -29,7 +29,7 @@ import * as request from 'request';
 
 import { Deferred } from 'ts-deferred';
 import { EventEmitter } from 'events';
-import { getExperimentId } from '../../common/experimentStartupInfo';
+import { getExperimentId, getInitTrialSequenceId } from '../../common/experimentStartupInfo';
 import { HDFSClientUtility } from './hdfsClientUtility'
 import { MethodNotImplementedError } from '../../common/errors';
 import { getLogger, Logger } from '../../common/log';
@@ -78,7 +78,7 @@ class PAITrainingService implements TrainingService {
         this.experimentId = getExperimentId();      
         this.paiJobCollector = new PAIJobInfoCollector(this.trialJobsMap);
         this.hdfsDirPattern = 'hdfs://(?<host>([0-9]{1,3}.){3}[0-9]{1,3})(:[0-9]{2,5})?(?<baseDir>/.*)?';
-        this.trialSequenceId = 0;
+        this.trialSequenceId = -1;
     }
 
     public async run(): Promise<void> {
@@ -454,6 +454,10 @@ class PAITrainingService implements TrainingService {
     }
 
     private generateSequenceId(): number {
+        if (this.trialSequenceId === -1) {
+            this.trialSequenceId = getInitTrialSequenceId();
+        }
+
         return this.trialSequenceId++;
     }
 }

src/nni_manager/training_service/remote_machine/remoteMachineTrainingService.ts

@@ -30,7 +30,7 @@ import { Deferred } from 'ts-deferred';
 import { String } from 'typescript-string-operations';
 import * as component from '../../common/component';
 import { MethodNotImplementedError, NNIError, NNIErrorNames } from '../../common/errors';
-import { getExperimentId } from '../../common/experimentStartupInfo';
+import { getExperimentId, getInitTrialSequenceId } from '../../common/experimentStartupInfo';
 import { getLogger, Logger } from '../../common/log';
 import { ObservableTimer } from '../../common/observableTimer';
 import {
@@ -77,7 +77,7 @@ class RemoteMachineTrainingService implements TrainingService {
         this.remoteExpRootDir = this.getRemoteExperimentRootDir();
         this.timer = timer;
         this.log = getLogger();
-        this.trialSequenceId = 0;
+        this.trialSequenceId = -1;
     }
 
     /**
@@ -607,6 +607,10 @@ class RemoteMachineTrainingService implements TrainingService {
     }
 
     private generateSequenceId(): number {
+        if (this.trialSequenceId === -1) {
+            this.trialSequenceId = getInitTrialSequenceId();
+        }
+
         return this.trialSequenceId++;
     }