AWS Data Ingestion

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Questions and Answers

When designing a batch processing pipeline, which characteristic primarily focuses on the ability to handle varying data formats?

  • Data volume and variety (correct)
  • Orchestration and monitoring
  • Ease of use
  • Scaling and cost management

Which AWS service is best suited for ingesting social media feeds and analyzing sentiment in real time?

  • Amazon AppFlow
  • AWS DMS
  • AWS Data Exchange
  • Amazon Kinesis Data Streams (correct)

Which AWS service is designed to simplify the ingestion of data from SaaS applications?

  • AWS Data Exchange
  • Amazon AppFlow (correct)
  • AWS DataSync
  • AWS DMS

A company needs to migrate a large number of files from an on-premises file server to Amazon S3. Which AWS service is most appropriate for this task?

<p>AWS DataSync (D)</p> Signup and view all the answers

When designing a stream processing application, which characteristic helps ensure minimal impact if one component fails?

<p>Loose coupling (A)</p> Signup and view all the answers

Which of the following is a key feature of AWS Glue that helps in automating batch ingestion?

<p>Schema identification and data cataloging (A)</p> Signup and view all the answers

Which AWS service should a data engineer use to ingest data from an Oracle database into Amazon S3?

<p>AWS DMS (B)</p> Signup and view all the answers

What is a primary use case for Amazon Data Exchange?

<p>Integrating third-party datasets into a data pipeline (C)</p> Signup and view all the answers

In AWS Glue, what is the purpose of Crawlers?

<p>To derive schemas from data stores (B)</p> Signup and view all the answers

What is the function of the Kinesis Producer Library (KPL)?

<p>To simplify writing producers for Kinesis Data Streams (A)</p> Signup and view all the answers

For batch ingestion, what does 'Workflow Orchestration' primarily help with?

<p>Handling interdependencies between jobs and managing failures (D)</p> Signup and view all the answers

Which AWS service allows for connecting, processing, and acting upon IoT device data?

<p>AWS IoT Core (A)</p> Signup and view all the answers

Which AWS service is purpose-built for performing real-time analytics on streaming data?

<p>Amazon Managed Service for Apache Flink (B)</p> Signup and view all the answers

What is a key consideration when using AWS Glue for batch processing?

<p>Handling large volumes of data with serverless ETL (A)</p> Signup and view all the answers

When configuring Kinesis Data Streams, what does the 'retention period' define?

<p>The duration for which data is stored in the stream (D)</p> Signup and view all the answers

When scaling AWS Glue jobs, what is the effect of 'horizontal scaling'?

<p>Increasing the number of workers (C)</p> Signup and view all the answers

In the context of Kinesis Data Streams, what does a 'shard' represent?

<p>A uniquely identified sequence of data records (D)</p> Signup and view all the answers

What is the role of the 'rules engine' in AWS IoT Core?

<p>To transform and route incoming messages to AWS services (B)</p> Signup and view all the answers

Which of the following is a characteristic of stream processing that is NOT typically a characteristic of batch processing?

<p>Real-time data analysis (B)</p> Signup and view all the answers

What benefit does the pay-as-you-go pricing model offer within batch processing?

<p>Cost optimization based on actual usage (A)</p> Signup and view all the answers

Which of the following ingestion scenarios is AWS DataSync LEAST suited for?

<p>Ingesting data from social media platforms in real-time (C)</p> Signup and view all the answers

A data engineer needs to choose the correct AWS Glue worker type. Which jobs benefit most from selecting a worker type with larger memory and disk space?

<p>Jobs that are processing memory-intensive applications (D)</p> Signup and view all the answers

Which of the follow AWS services simplifies data ingestion from multiple sources by offering schema identification, data cataloging, and ETL orchestration?

<p>AWS Glue (A)</p> Signup and view all the answers

What is a key benefit of AWS Data Firehose's no-code or low-code streaming ETL capabilities?

<p>It enables built-in and custom transformations before data lands into storage. (A)</p> Signup and view all the answers

Which of the following represents the correct order of operations as part of the batch ingestion data flow?

<p>Connect to the source and create a query, write the resulting data to storage, process the dataset, then make the data available for analytics. (C)</p> Signup and view all the answers

Which two characteristics should data engineers consider when identifying an appropriate data ingestion method?

<p>Data volume and data velocity (D)</p> Signup and view all the answers

What is a key difference between ETL and ELT?

<p>In ETL, data is transformed before loading, while in ELT, data is loaded then transformed. (B)</p> Signup and view all the answers

Which AWS service is best suited for setting up a continuous capture task to load real-time data changes from an on-premises database into Amazon RDS?

<p>AWS DMS (A)</p> Signup and view all the answers

What is a component that is part of the AWS IoT Core framework?

<p>AWS IoT Device Defender (C)</p> Signup and view all the answers

Which two AWS services best captures metrics to monitor a Kinesis data stream, record age, throttling, and write and read failures?

<p>AWS CloudWatch and CloudTrail (A)</p> Signup and view all the answers

Which of the following is NOT a task for building a batch processing pipeline?

<p>Provide secure, durable storage (C)</p> Signup and view all the answers

A manufacturing company wants to collect sensor data from its factory equipment and analyze it in real-time to predict equipment failures. Which AWS services should they consider to ingest, process, and then analyze the real-time streaming sensor data?

<p>AWS IoT Core, Amazon Kinesis Data Streams, and Amazon Managed Service for Apache Flink (D)</p> Signup and view all the answers

What is the purpose of supporting bookmarking within batch processing?

<p>Allows jobs to resume from a point of interruption or failure (C)</p> Signup and view all the answers

What type of data does streaming ingestion use?

<p>Ingest records continually and process sets of records as they arrive on the stream. (B)</p> Signup and view all the answers

What would be the benefit of using the serverless job processing paradigm?

<p>Fully managed compute and reduced operational workload (A)</p> Signup and view all the answers

What type of environment is AWS Glue Spark's runtime engine?

<p>serverless environment (A)</p> Signup and view all the answers

What functionality does CloudTrail offers?

<p>All of the above (D)</p> Signup and view all the answers

Which Amazon service would you use to find and subscribe to third-party data sets?

<p>AWS Data Exchange (C)</p> Signup and view all the answers

Which are some advantages of stream ingestion?

<p>Streams are designed to handle high-velocity data and real-time processing. (C)</p> Signup and view all the answers

What is the primary purpose of Amazon Managed Service for Apache Flink?

<p>To provide real-time analytics on streaming data (C)</p> Signup and view all the answers

Which of the following is an example of batch ingestion?

<p>Sales transaction data from retailers across the world. (A)</p> Signup and view all the answers

Flashcards

Batch Ingestion

Ingest and process records as a dataset; run on demand, schedule, or event-based.

Streaming Ingestion

Ingest records continually and process sets as they arrive in the stream.

Batch Job Actions

Query the source, transform data, and load it into a pipeline.

Stream Processing Actions

Producers put records on a stream; consumers retrieve and process them.

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Batch Ingestion Example

Sales data sent periodically and analyzed overnight.

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Streaming Ingestion Example

Clickstream data that requires immediate analysis for product recommendations.

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Batch Ingestion Implementation

Writing scripts and jobs to perform ETL or ELT processes.

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Workflow Orchestration

It handles interdependencies between jobs and manages failures.

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Purpose-built Tools

Match the data type for ingestion, such as Amazon AppFlow for SaaS.

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Amazon AppFlow

Ingest data from software as a service (SaaS) applications.

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AWS DMS Usage

Ingest data from relational databases and applies source filters.

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AWS DataSync Usage

Ingest data from file systems and supports S3 as a source.

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AWS Data Exchange

Integrate third-party datasets into your pipelines.

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AWS Glue

Fully managed data integration simplifying ETL tasks.

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AWS Glue Crawlers

Derive schemas from data stores and provide to the AWS Glue Data Catalog.

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AWS Glue Studio

AWS feature which Provides visual authoring and job management tools.

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AWS Glue Spark Runtime

It Processes jobs in a serverless environment.

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AWS Glue Workflows

Orchestration for ETL workflows.

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CloudWatch for AWS Glue

Integrated monitoring and logging for job run.

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Horizontal Scaling - AWS Glue

Increase the number of allocated job workers.

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Vertical Scaling - AWS Glue

Choose a worker type with larger CPU, memory, and disk space.

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Stream Throughput Key

Design a resilient, scalable stream adaptable to changing flow.

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Loose Coupling

Build independent ingestion, processing, and consumer components.

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What is a parallel consumer?

Allow multiple consumers on a stream to process records in parallel and independently.

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Checkpointing and replay ability.

Maintain record order, allow replay, and mark the farthest record processed.

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Shard definition

It's a Uniquely identified sequence of data records.

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Data Record

Unit of stored data containing sequence number, partition key, and data blob.

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Amazon Data Firehose.

Service that Ingests from AWS, applies transformations, and delivers to data stores.

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Managed Apache Flink

Query and analyze streaming data, including enriching data across time windows.

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Kinesis Data Scaling

Set the records' retention, stream capacity (on-demand/provisioned), and consumer types.

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CloudTrail for Kinesis

Track API action changes to stream configuration and new consumers.

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CloudWatch for Kinesis

Track record age, throttling, and write/read failures.

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IoT Devices

Hardware that manages interfaces and communications.

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IoT Interfaces

Components that connect devices to the physical world.

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IoT Cloud Services

Storage and processing services.

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IoT Apps

End-user access point to devices and features.

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AWS IoT Core Purpose

Connect, process, and act on IoT device data.

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AWS IoT Rules engine

Transforms routes incoming messages to AWS services.

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Study Notes

  • The module prepares you to:
    • List data engineer tasks for building an ingestion layer
    • Describe how AWS services support ingestion tasks
    • Illustrate how AWS Glue features automate batch ingestion
    • Describe how AWS streaming services simplify streaming ingestion
    • Identify configuration options in AWS Glue and Amazon Kinesis Data Streams
    • Describe ingesting Internet of Things (IoT) data using AWS IoT Core

Batch vs. Streaming Ingestion

  • Batch ingestion processes records as a dataset on demand, schedule, or event.

  • Streaming ingestion continually ingests records and processes them as they arrive.

  • Important factors when choosing an ingestion method are data volume and velocity

  • Batch ingestion involves sales data sent periodically, analyzed overnight, and reported in the morning.

  • Streaming ingestion involves processing clickstream data immediately to provide product recommendations.

  • Batch jobs query the source, transform the data, and load it into the pipeline.

  • Traditional ETL uses batch processing.

  • With stream processing, producers put records on a stream for consumers to process.

  • Streams handle high-velocity data and real-time processing.

Batch Processing Pipeline

  • Tasks for building batch pipeline:
    • Extract by connecting to sources and selecting data
    • Transform/Load by identifying source and target schemas and securely transferring data
    • Load/Transform by transforming the dataset and loading it to durable storage
    • Orchestrate workflows
  • Key characteristics for batch processing design choices:
    • Ease of use: flexible, low-code/no-code options, serverless options
    • Data volume and variety: handle large volumes, support disparate systems/formats
    • Orchestration and monitoring: support workflow creation, dependency management, bookmarking, alerting, and logging
    • Scaling and cost management: automatic scaling, pay-as-you-go options
  • Batch ingestion involves writing scripts and jobs to perform the ETL or ELT process.
  • Workflow orchestration is helpful to handle interdependencies between jobs and manage failures.
  • Pipeline design should include ease of use, data volume, variety, orchestration, monitoring, scaling, and cost management.

AWS Purpose-Built Tools

  • AWS offers purpose-built tools that match data types and simplify ingestion tasks.
  • SaaS apps use Amazon AppFlow
  • Creates a connector with filters
  • Maps fields and performs transformations
  • Performs validation
  • Securely transfers to Amazon S3 or Amazon Redshift
  • Suitable for use cases like ingesting customer support ticket data from Zendesk.
  • Relational databases use AWS DMS
    • Connects to source data
    • Formats the data for a target
    • Uses source filters and table mappings
    • Performs data validation
    • Writes to many AWS data stores
    • Creates a continuous replication task
    • Suitable for use cases like ingesting line of business transactions from an Oracle database
  • File shares use DataSync
    • Applies filters to transfer a subset of files
    • Uses a variety of file systems as sources and target, including Amazon S3 as a target
    • Securely transfers data between self-managed storage systems and AWS storage services
    • Suitable for use cases such as ingesting on-premises genome sequencing data to Amazon S3
  • Third-party datasets use AWS Data Exchange
    • Finds and subscribes to sources
    • Previews before subscribing
    • Copies subscribed datasets to Amazon S3
    • Receives notifications of updates
    • Suitable for use cases such as ingesting de-identified clinical data from a third party
  • Amazon AppFlow, AWS DMS, and DataSync simplify specific data type ingestion.
  • AWS Data Exchange simplifies subscription to third-party datasets.
  • These tools support secure connections, data store integration, automated updates, CloudWatch monitoring, selection, and transformation.

AWS Glue

  • AWS Glue simplifies batch ingestion with schema identification, data cataloging, job authoring/monitoring, serverless ETL processing, and ETL orchestration.
  • AWS Glue crawlers derive schemas from data stores for the AWS Glue Data Catalog.
  • Job authoring enables low-code job creation for ETL management
  • AWS Glue Studio provides visual authoring and job management tools.
  • The AWS Glue Spark runtime engine processes jobs in a serverless environment.
  • AWS Glue workflows provide ETL orchestration.
  • CloudWatch provides integrated monitoring and logging for AWS Glue, including job run insights.

Scaling Considerations for Batch Processing

  • To scale AWS Glue jobs horizontally, more workers can be added
    • Suitable for working with large, splittable datasets as in processing a large .csv file
  • To scale AWS Glue jobs vertically, a type of worker in the job configuration with larger CPU, memory and disk space can be chosen
    • Suitable for memory-intensive or disk-intensive applications, i.e. Machine Learning transformations
  • Performance goals should focus on important factors for batch processing.
  • Large, splittable files let the AWS Glue Spark runtime engine run many jobs in parallel with less overhead than processing many smaller files.

Real-Time Stream Processing Pipeline

  • For real-time stream processing pipeline:
    • Extract puts records on the stream (Producers)
    • Transform/Load provides secure, durable storage and get records off the stream(Consumers)
    • Load/Transform transforms records(Consumers) and analyze or store processed data
    • Data moves through the pipeline continuously
  • Key characteristics of stream ingestion and processing:
    • Throughput: Plan for a resilient, scalable stream that can adapt to changing velocity and volume
    • Loose coupling: Build independent ingestion, processing, and consumer components
    • Parallel consumers: Allow multiple consumers on a stream to process records in parallel and independently
    • Checkpointing and replay: Maintain record order and allows replay; support the ability to mark the farthest record processed on failure

Services that Simplify Stream Ingestion

  • Kinesis Data Streams ingest and store data from various sources
    • Web, Sensors, Devices, Social Media, etc
  • Amazon Data Firehose transforms and loads data for future analysis
    • Amazon S3
  • Amazon Managed Service for Apache Flink processes and analyzes data in real-time
    • OpenSearch Service
  • For Kinesis Data Streams:
    • A shard uniquely identifies a sequence of data records.
    • A partition key determines which shard to use.
    • A data record contains a sequence number, partition key, and data blob
  • Amazon Data Firehose performs no-code or low-code streaming ETL
    • It can ingest from many AWS services, including Kinesis Data Streams
    • Apply built-in and custom transformations
    • Deliver directly to data stores, data lakes, and analytics services.
  • Amazon Managed Service for Apache Flink can query and analyze streaming data
    • It can ingest from other services, including Kinesis Data Streams
    • Enrich and augment data across time windows
    • Build Applications in Apache Flink
    • Use SQL, Java, Python, or Scala.
  • Monitoring a Kinesis Data Stream
    • CloudTrail tracks API actions, including changes to stream configuration and new consumers
    • CloudWatch tracks record age, throttling, and write and read failures

Stream Scaling Considerations

  • Three scaling configurations for Kinesis Data Streams
    • Duration of data availability: can set how long stream records are avaiable
    • Write capacity: Choose the stream capacity mode: on-demand or provisioned
    • Read capacity: Choose consumer types: shared fan-out or enhanced fan-out
  • Components:
    • Producers
    • Data stream
    • Consumers
  • The stream is a buffer between producers and consumers.
  • KPL simplifies the work of writing Kinesis Data Streams producers.
  • Data is written to shards on the stream as a sequence of data records.
  • Records include a sequence number, partition key, and data blob.
  • Amazon Data Firehose delivers streaming data directly to storage, including Amazon S3 and Amazon Redshift.
  • Amazon Managed Service for Apache Flink performs real-time analytics on data as it passes through the stream.
  • Kinesis Data Streams provides scaling options to manage throughput and storage.
  • CloudWatch provides metrics to monitor data handling in the stream.

Ingesting IoT Data

  • AWS IoT services use MQTT and a pub/sub model for IoT device communication.
  • AWS IoT Core securely connects, processes, and acts upon device data.
  • The AWS IoT Core rules engine transforms and routes incoming messages to AWS services.

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