Per funzionalità simili a Amazon Timestream for, prendi in considerazione Amazon Timestream LiveAnalytics per InfluxDB. Offre un'acquisizione semplificata dei dati e tempi di risposta alle query di una sola cifra di millisecondi per analisi in tempo reale. Scopri di più qui.
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Crea attività di caricamento in batch
È possibile utilizzare i seguenti frammenti di codice per creare attività di caricamento in batch.
- Java
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package com.example.tryit; import java.util.Arrays; import software.amazon.awssdk.services.timestreamwrite.model.CreateBatchLoadTaskRequest; import software.amazon.awssdk.services.timestreamwrite.model.CreateBatchLoadTaskResponse; import software.amazon.awssdk.services.timestreamwrite.model.DataModel; import software.amazon.awssdk.services.timestreamwrite.model.DataModelConfiguration; import software.amazon.awssdk.services.timestreamwrite.model.DataSourceConfiguration; import software.amazon.awssdk.services.timestreamwrite.model.DataSourceS3Configuration; import software.amazon.awssdk.services.timestreamwrite.model.DimensionMapping; import software.amazon.awssdk.services.timestreamwrite.model.MultiMeasureAttributeMapping; import software.amazon.awssdk.services.timestreamwrite.model.MultiMeasureMappings; import software.amazon.awssdk.services.timestreamwrite.model.ReportConfiguration; import software.amazon.awssdk.services.timestreamwrite.model.ReportS3Configuration; import software.amazon.awssdk.services.timestreamwrite.model.ScalarMeasureValueType; import software.amazon.awssdk.services.timestreamwrite.model.TimeUnit; import software.amazon.awssdk.services.timestreamwrite.TimestreamWriteClient; public class BatchLoadExample { public static final String DATABASE_NAME =<database name>; public static final String TABLE_NAME =<table name>; public static final String INPUT_BUCKET =<S3 location>; public static final String INPUT_OBJECT_KEY_PREFIX =<CSV filename>; public static final String REPORT_BUCKET =<S3 location>; public static final long HT_TTL_HOURS = 24L; public static final long CT_TTL_DAYS = 7L; TimestreamWriteClient amazonTimestreamWrite; public BatchLoadExample(TimestreamWriteClient client) { this.amazonTimestreamWrite = client; } public String createBatchLoadTask() { System.out.println("Creating batch load task"); CreateBatchLoadTaskRequest request = CreateBatchLoadTaskRequest.builder() .dataModelConfiguration(DataModelConfiguration.builder() .dataModel(DataModel.builder() .timeColumn("timestamp") .timeUnit(TimeUnit.SECONDS) .dimensionMappings(Arrays.asList( DimensionMapping.builder() .sourceColumn("vehicle") .build(), DimensionMapping.builder() .sourceColumn("registration") .destinationColumn("license") .build())) .multiMeasureMappings(MultiMeasureMappings.builder() .targetMultiMeasureName("mva_measure_name") .multiMeasureAttributeMappings(Arrays.asList( MultiMeasureAttributeMapping.builder() .sourceColumn("wgt") .targetMultiMeasureAttributeName("weight") .measureValueType(ScalarMeasureValueType.DOUBLE) .build(), MultiMeasureAttributeMapping.builder() .sourceColumn("spd") .targetMultiMeasureAttributeName("speed") .measureValueType(ScalarMeasureValueType.DOUBLE) .build(), MultiMeasureAttributeMapping.builder() .sourceColumn("fuel") .measureValueType(ScalarMeasureValueType.DOUBLE) .build(), MultiMeasureAttributeMapping.builder() .sourceColumn("miles") .measureValueType(ScalarMeasureValueType.DOUBLE) .build())) .build()) .build()) .build()) .dataSourceConfiguration(DataSourceConfiguration.builder() .dataSourceS3Configuration( DataSourceS3Configuration.builder() .bucketName(INPUT_BUCKET) .objectKeyPrefix(INPUT_OBJECT_KEY_PREFIX) .build()) .dataFormat("CSV") .build()) .reportConfiguration(ReportConfiguration.builder() .reportS3Configuration(ReportS3Configuration.builder() .bucketName(REPORT_BUCKET) .build()) .build()) .targetDatabaseName(DATABASE_NAME) .targetTableName(TABLE_NAME) .build(); try { final CreateBatchLoadTaskResponse createBatchLoadTaskResponse = amazonTimestreamWrite.createBatchLoadTask(request); String taskId = createBatchLoadTaskResponse.taskId(); System.out.println("Successfully created batch load task: " + taskId); return taskId; } catch (Exception e) { System.out.println("Failed to create batch load task: " + e); throw e; } } } - Go
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package main import ( "fmt" "context" "log" "github.com/aws/aws-sdk-go-v2/aws" "github.com/aws/aws-sdk-go-v2/config" "github.com/aws/aws-sdk-go-v2/service/timestreamwrite" "github.com/aws/aws-sdk-go-v2/service/timestreamwrite/types" ) func main() { customResolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{})(aws.Endpoint, error) { if service == timestreamwrite.ServiceID && region == "us-west-2" { return aws.Endpoint{ PartitionID: "aws", URL: <URL>, SigningRegion: "us-west-2", }, nil } return aws.Endpoint{}, & aws.EndpointNotFoundError{} }) cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithEndpointResolverWithOptions(customResolver), config.WithRegion("us-west-2")) if err != nil { log.Fatalf("failed to load configuration, %v", err) } client := timestreamwrite.NewFromConfig(cfg) response, err := client.CreateBatchLoadTask(context.TODO(), & timestreamwrite.CreateBatchLoadTaskInput{ TargetDatabaseName: aws.String("BatchLoadExampleDatabase"), TargetTableName: aws.String("BatchLoadExampleTable"), RecordVersion: aws.Int64(1), DataModelConfiguration: & types.DataModelConfiguration{ DataModel: & types.DataModel{ TimeColumn: aws.String("timestamp"), TimeUnit: types.TimeUnitMilliseconds, DimensionMappings: []types.DimensionMapping{ { SourceColumn: aws.String("registration"), DestinationColumn: aws.String("license"), }, }, MultiMeasureMappings: & types.MultiMeasureMappings{ TargetMultiMeasureName: aws.String("mva_measure_name"), MultiMeasureAttributeMappings: []types.MultiMeasureAttributeMapping{ { SourceColumn: aws.String("wgt"), TargetMultiMeasureAttributeName: aws.String("weight"), MeasureValueType: types.ScalarMeasureValueTypeDouble, }, { SourceColumn: aws.String("spd"), TargetMultiMeasureAttributeName: aws.String("speed"), MeasureValueType: types.ScalarMeasureValueTypeDouble, }, { SourceColumn: aws.String("fuel_consumption"), TargetMultiMeasureAttributeName: aws.String("fuel"), MeasureValueType: types.ScalarMeasureValueTypeDouble, }, }, }, }, }, DataSourceConfiguration: & types.DataSourceConfiguration{ DataSourceS3Configuration: & types.DataSourceS3Configuration{ BucketName: aws.String("test-batch-load-west-2"), ObjectKeyPrefix: aws.String("sample.csv"), }, DataFormat: types.BatchLoadDataFormatCsv, }, ReportConfiguration: & types.ReportConfiguration{ ReportS3Configuration: & types.ReportS3Configuration{ BucketName: aws.String("test-batch-load-report-west-2"), EncryptionOption: types.S3EncryptionOptionSseS3, }, }, }) fmt.Println(aws.ToString(response.TaskId)) } - Python
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import boto3 from botocore.config import Config INGEST_ENDPOINT = "<URL>" REGION = "us-west-2" HT_TTL_HOURS = 24 CT_TTL_DAYS = 7 DATABASE_NAME = "<database name>" TABLE_NAME = "<table name>" INPUT_BUCKET_NAME = "<S3 location>" INPUT_OBJECT_KEY_PREFIX = "<CSV file name>" REPORT_BUCKET_NAME = "<S3 location>" def create_batch_load_task(client, database_name, table_name, input_bucket_name, input_object_key_prefix, report_bucket_name): try: result = client.create_batch_load_task(TargetDatabaseName=database_name, TargetTableName=table_name, DataModelConfiguration={"DataModel": { "TimeColumn": "timestamp", "TimeUnit": "SECONDS", "DimensionMappings": [ { "SourceColumn": "vehicle" }, { "SourceColumn": "registration", "DestinationColumn": "license" } ], "MultiMeasureMappings": { "TargetMultiMeasureName": "metrics", "MultiMeasureAttributeMappings": [ { "SourceColumn": "wgt", "MeasureValueType": "DOUBLE" }, { "SourceColumn": "spd", "MeasureValueType": "DOUBLE" }, { "SourceColumn": "fuel_consumption", "TargetMultiMeasureAttributeName": "fuel", "MeasureValueType": "DOUBLE" }, { "SourceColumn": "miles", "MeasureValueType": "DOUBLE" } ]} } }, DataSourceConfiguration={ "DataSourceS3Configuration": { "BucketName": input_bucket_name, "ObjectKeyPrefix": input_object_key_prefix }, "DataFormat": "CSV" }, ReportConfiguration={ "ReportS3Configuration": { "BucketName": report_bucket_name, "EncryptionOption": "SSE_S3" } } ) task_id = result["TaskId"] print("Successfully created batch load task: ", task_id) return task_id except Exception as err: print("Create batch load task job failed:", err) return None if __name__ == '__main__': session = boto3.Session() write_client = session.client('timestream-write', endpoint_url=INGEST_ENDPOINT, region_name=REGION, config=Config(read_timeout=20, max_pool_connections=5000, retries={'max_attempts': 10})) task_id = create_batch_load_task(write_client, DATABASE_NAME, TABLE_NAME, INPUT_BUCKET_NAME, INPUT_OBJECT_KEY_PREFIX, REPORT_BUCKET_NAME) - Node.js
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Il seguente frammento utilizza AWS SDK per la versione 3. JavaScript Per ulteriori informazioni su come installare il client e sull'utilizzo, consulta Timestream Write Client - SDK per v3. AWS JavaScript
Per i dettagli sull'API, consulta Class and. CreateBatchLoadCommand CreateBatchLoadTask
import { TimestreamWriteClient, CreateBatchLoadTaskCommand } from "@aws-sdk/client-timestream-write"; const writeClient = new TimestreamWriteClient({ region: "us-west-2", endpoint: "https://gamma-ingest-cell3.timestream.us-west-2.amazonaws.com" }); const params = { TargetDatabaseName: "BatchLoadExampleDatabase", TargetTableName: "BatchLoadExampleTable", RecordVersion: 1, DataModelConfiguration: { DataModel: { TimeColumn: "timestamp", TimeUnit: "MILLISECONDS", DimensionMappings: [ { SourceColumn: "registration", DestinationColumn: "license" } ], MultiMeasureMappings: { TargetMultiMeasureName: "mva_measure_name", MultiMeasureAttributeMappings: [ { SourceColumn: "wgt", TargetMultiMeasureAttributeName: "weight", MeasureValueType: "DOUBLE" }, { SourceColumn: "spd", TargetMultiMeasureAttributeName: "speed", MeasureValueType: "DOUBLE" }, { SourceColumn: "fuel_consumption", TargetMultiMeasureAttributeName: "fuel", MeasureValueType: "DOUBLE" } ] } } }, DataSourceConfiguration: { DataSourceS3Configuration: { BucketName: "test-batch-load-west-2", ObjectKeyPrefix: "sample.csv" }, DataFormat: "CSV" }, ReportConfiguration: { ReportS3Configuration: { BucketName: "test-batch-load-report-west-2", EncryptionOption: "SSE_S3" } } }; const command = new CreateBatchLoadTaskCommand(params); try { const data = await writeClient.send(command); console.log(`Created batch load task ` + data.TaskId); } catch (error) { console.log("Error creating table. ", error); throw error; } - .NET
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using System; using System.IO; using System.Collections.Generic; using Amazon.TimestreamWrite; using Amazon.TimestreamWrite.Model; using System.Threading.Tasks; namespace TimestreamDotNetSample { public class CreateBatchLoadTaskExample { public const string DATABASE_NAME = "<database name>"; public const string TABLE_NAME = "<table name>"; public const string INPUT_BUCKET = "<input bucket name>"; public const string INPUT_OBJECT_KEY_PREFIX = "<CSV file name>"; public const string REPORT_BUCKET = "<report bucket name>"; public const long HT_TTL_HOURS = 24L; public const long CT_TTL_DAYS = 7L; private readonly AmazonTimestreamWriteClient writeClient; public CreateBatchLoadTaskExample(AmazonTimestreamWriteClient writeClient) { this.writeClient = writeClient; } public async Task CreateBatchLoadTask() { try { var createBatchLoadTaskRequest = new CreateBatchLoadTaskRequest { DataModelConfiguration = new DataModelConfiguration { DataModel = new DataModel { TimeColumn = "timestamp", TimeUnit = TimeUnit.SECONDS, DimensionMappings = new List<DimensionMapping>() { new() { SourceColumn = "vehicle" }, new() { SourceColumn = "registration", DestinationColumn = "license" } }, MultiMeasureMappings = new MultiMeasureMappings { TargetMultiMeasureName = "mva_measure_name", MultiMeasureAttributeMappings = new List<MultiMeasureAttributeMapping>() { new() { SourceColumn = "wgt", TargetMultiMeasureAttributeName = "weight", MeasureValueType = ScalarMeasureValueType.DOUBLE }, new() { SourceColumn = "spd", TargetMultiMeasureAttributeName = "speed", MeasureValueType = ScalarMeasureValueType.DOUBLE }, new() { SourceColumn = "fuel", TargetMultiMeasureAttributeName = "fuel", MeasureValueType = ScalarMeasureValueType.DOUBLE }, new() { SourceColumn = "miles", TargetMultiMeasureAttributeName = "miles", MeasureValueType = ScalarMeasureValueType.DOUBLE } } } } }, DataSourceConfiguration = new DataSourceConfiguration { DataSourceS3Configuration = new DataSourceS3Configuration { BucketName = INPUT_BUCKET, ObjectKeyPrefix = INPUT_OBJECT_KEY_PREFIX }, DataFormat = "CSV" }, ReportConfiguration = new ReportConfiguration { ReportS3Configuration = new ReportS3Configuration { BucketName = REPORT_BUCKET } }, TargetDatabaseName = DATABASE_NAME, TargetTableName = TABLE_NAME }; CreateBatchLoadTaskResponse response = await writeClient.CreateBatchLoadTaskAsync(createBatchLoadTaskRequest); Console.WriteLine($"Task created: " + response.TaskId); } catch (Exception e) { Console.WriteLine("Create batch load task failed:" + e.ToString()); } } } }using Amazon.TimestreamWrite; using Amazon.TimestreamWrite.Model; using Amazon; using Amazon.TimestreamQuery; using System.Threading.Tasks; using System; using CommandLine; static class Constants { } namespace TimestreamDotNetSample { class MainClass { public class Options { } public static void Main(string[] args) { Parser.Default.ParseArguments<Options>(args) .WithParsed<Options>(o => { MainAsync().GetAwaiter().GetResult(); }); } static async Task MainAsync() { var writeClientConfig = new AmazonTimestreamWriteConfig { ServiceURL = "<service URL>", Timeout = TimeSpan.FromSeconds(20), MaxErrorRetry = 10 }; var writeClient = new AmazonTimestreamWriteClient(writeClientConfig); var example = new CreateBatchLoadTaskExample(writeClient); await example.CreateBatchLoadTask(); } } }
Annulla la richiesta
Descrivi l'attività di caricamento batch