Showing posts with label Cloudsearch. Show all posts
Showing posts with label Cloudsearch. Show all posts

December 17, 2022

Top 20 AWS Migration Evaluator Interview Questions and Answers

 


Ques. 1): What is supported by Migration Evaluator? What is not supported by Migration Evaluator?

Answer:

The x86 architecture of the server and the associated block storage of the customer are supported by Migration Evaluator. Based on the provisioning, software licencing, and use, the software discovers Amazon EC2 matches. Since it was not created to monitor or report on storage appliances, mainframes, or network devices like routers, Migration Evaluator currently does not allow modelling of Solaris, AIX, or other non-x86 systems.

 

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Ques. 2): Use of application dependency mapping is there in the solution?

Answer:

No, you can map application dependencies within AWS Migration Hub. The Migration Evaluation study will take into account application groups formed through the AWS Migration Hub.

 

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Ques. 3): Does the study allow for the usage of current Microsoft licences?

Answer:

Yes. To ensure that these savings—which may account for two thirds of the cloud costs for some applications—are captured, Migration Evaluator may represent "bring your own licence" in the business case if the customer already owns Microsoft SQL Server or Windows Server licences. To dedicated hosts, dedicated instances, or shared instances, the Migration Evaluator can model.


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Ques. 4): What if, after receiving Migration Evaluator Quick Insights, I still need more data insights?

Answer:

Simply request one, and your assigned Migrations Solution Architect will produce one based on your company's business objectives. Additional pricing models, an examination of the Microsoft SQL licence, or exports of the match findings are also included in the report.


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Ques. 5): Are agents necessary?

Answer:

No. Customers have the option of providing existing inventory and usage figures through flat-files, or using the agentless collector to automate on-premises data gathering. One Windows Server virtual machine must be deployed within the network of customers using the Migration Evaluator collection. WMI (for Hyper-V and Windows Server), SNMP, vSphere from VMware, and T-SQL are examples of common protocols. On the hypervisors or other servers belonging to the customer, no agents are installed.


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Ques. 6): Which AWS regions can model expenses using the Migration Evaluator Business Case report?

Answer:

With the exception of Mainland China, Migration Evaluator Business Case offers modelling to all public regions (Ningxia or Beijing).

 

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Ques. 7): Is the data protected?

Answer:

Yes. The information gathered by the collector is transferred via HTTPS to an encrypted Amazon S3 bucket provided by Migration Evaluator, where it is then re-encrypted using a customer-specific certificate. All uploaded files from tools already in use or files added to the collection are also kept in an encrypted Amazon S3 bucket. AES-256 Server-Side Encryption with AWS Key Management Service is used for all Amazon S3 buckets (SSE-KMS).


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Ques. 8): Where can I find Migration Evaluator?

Answer:

The Migration Evaluator is accessible everywhere. This indicates that you can get assistance from Migrations Solution Architects in North America, Europe, and Australia. Customer information is kept in US East (Northern Virginia).


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Ques. 9): How can partners ask for a Migration Evaluator on a client's behalf?

Answer:

Please make your request through the APN Portal for partners that want to use Migration Evaluator for a customer opportunity. Search for "Migration Evaluator" in our Submission Quick Guide to find instructions on how to request.

 

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Ques. 10): Can the solution show instances and VMs for each application separately?

Answer:

Yes. If the application categories are provided by tagging, naming conventions, or an export from an inventory management platform, the Migration Evaluator Business Case deliverable can display them. This data is used by Migration Evaluator to generate workload groups for each business function, such as application and environment groupings.

 

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Ques. 11): In Migration Evaluator Quick Insights, which charges are disclosed?

Answer:

Quick Insights displays the estimated costs of repurchasing Amazon EBS, Amazon EC2, and operating system licences from AWS over a one-year period with no up-front expenses.

 

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Ques. 12): Will the approach still be effective if only the virtualization stack is available?

Answer:

Yes. With information from VMware or Hyper-V, the Migration Evaluator can suggest matches between on-premises and AWS. Citrix XenServer is not supported by Migration Evaluator.

 

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November 25, 2022

Top 20 AWS MemoryDB Questions and Answers

  

        Redis-compatible, dependable, in-memory database service with lightning-fast performance is Amazon MemoryDB for Redis. For contemporary applications, such as those created with microservices architectures, MemoryDB enables you to achieve microsecond read latency, single-digit millisecond write latency, high throughput, and Multi-AZ durability. Redis' adaptable data structures and APIs are used in these applications' low latency and high scalability requirements as well as to facilitate rapid development. MemoryDB uses a distributed transactional log to provide in-memory speed as well as data durability, consistency, and recoverability by storing your complete dataset in memory. You may create high-performance applications without having to independently maintain a cache, durable database, or the necessary supporting infrastructure by using MemoryDB as a fully managed primary database.

 

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Ques. 1): Describe Redis.

Answer:

Strings, lists, sets, hashes, sorted sets, and other adaptable data structures are used by Redis, an open-source, in-memory key-value data store. Additionally, Redis has functionality for geospatial queries, pub/sub, custom Lua scripts, and other things. Redis provides lightning-fast performance and great throughput since it saves data in-memory. For the fifth year in a row, Redis is the "Most Loved Database" among Stack Overflow developers. It is also the top database chosen by the Cloud Native Computing Foundation (CNCF) End User Community. In order to promote and support cloud native computing, including containers and microservices, CNCF was established.


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Ques. 2): What is a MemoryDB cluster?

Answer:

A grouping of one or more nodes supporting a single dataset is known as a MemoryDB cluster. Each of the shards that make up a MemoryDB dataset has a primary node and a maximum of five optional replica nodes. A replica only handles read requests, whereas a primary node handles both read and write requests. When a primary node fails over to a replica node, the replica is elevated to the position of new primary node for that shard.

 

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Ques. 3): Does MemoryDB support high availability?

Answer:

MemoryDB does indeed provide high availability. A MemoryDB cluster with Multi-AZ availability can have up to 5 replicas spread across various AZs. MemoryDB will automatically failover and promote one of the replicas to act as the new primary and direct write traffic to it in the event of a primary node loss. MemoryDB also makes use of a distributed transactional log to guarantee that, even in the event of a primary node failure, the data on replicas is kept current. For unplanned failures, failover often occurs in less than 10 seconds, while for planned outages, it typically occurs in less than 200 milliseconds.

To reliably save data written to your database during database recovery, restart, failover, and eventual consistency between primaries and replicas, MemoryDB uses a distributed transactional log.


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Ques. 4): Can my MemoryDB cluster be backed up?

Answer:

Yes, you do make snapshots to backup your MemoryDB cluster's data and metadata. You have two options for creating snapshots: manually or automatically, using MemoryDB's automated snapshot scheduler once every day at a time you choose. You have the option to keep a snapshot in MemoryDB for up to 35 days after it is made. Amazon S3, which is built for 99.999999999% (11 9's) durability, is where snapshots are saved. Additionally, you have the option to delete your cluster after taking one final snapshot of it. Additionally, the service allows you to export MemoryDB snapshots to an Amazon S3 bucket.


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Ques. 5): Why is Amazon MemoryDB for Redis recommended to use data tiering?

Answer:

Use data tiering when you need a quicker, less expensive way to expand the data capacity for your MemoryDB clusters without sacrificing the availability of your applications. The workloads and programmes that can tolerate a bit extra latency the first time they utilise a less-frequently accessed item are the ones that benefit from data tiering the most. R6gd nodes, which have around a 5x larger total capacity (memory + SSD) while operating at peak efficiency, can cut storage expenses by more than 60% when compared to R6g nodes (memory only).


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Ques. 6): How can my MemoryDB cluster be updated?

Answer:

Your cluster's upgrades and maintenance are made simple by MemoryDB, which also offers two distinct processes for cluster upkeep. First, during the maintenance times that you set, MemoryDB automatically patches your cluster with some required upgrades. Second, MemoryDB uses service updates for some changes, which you can deploy immediately or plan for a later maintenance window. After a specific date, some service updates are automatically scheduled during a maintenance window. Your clusters' security, dependability, and operational performance are strengthened by cluster upgrades, and your cluster continues to be online and respond to read and write requests.

 

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Ques. 7): How is the consistency of MemoryDB different from that of free software Redis?

Answer:

On the primary node of each shard, open source Redis permits writes and strongly consistent reads, and eventually consistent readings from read replicas. If a primary node fails, these consistency qualities are not guaranteed because writes can get lost during a failover and hence go against the consistency paradigm.

MemoryDB's consistency model is comparable to Redis, an open source database. Clients can access their writes from primaries regardless of node failures with MemoryDB since data is not lost during failovers. In the multi-AZ transaction log, only information that has successfully been persisted is accessible. Lag metrics are still published to Amazon CloudWatch, and replica nodes are still eventually consistent.


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Ques. 8): How much throughput and latency can I get with MemoryDB?

Answer:

Depending on the node type, payload size, and number of client connections, MemoryDB's throughput and latency varies. On the principal node for a cluster shard, MemoryDB offers microsecond read latency, single-digit millisecond write latency, and read-after-write delay. Up to 1.3 GB/s read and 100 MB/s write throughput and 390K read and 100K write requests per second are supported by MemoryDB (based on internal testing on read-only and write-only workloads). A MemoryDB cluster divides data among one or more nodes, allowing you to expand your cluster by adding more replicas or shards to boost aggregate throughput.


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Ques. 9): When should I use MemoryDB for Redis instead of Amazon ElastiCache?

Answer:

For workloads that demand an incredibly quick, Redis-compatible primary database, MemoryDB for Redis provides a reliable, in-memory database. If your workload necessitates a robust database with lightning-fast speed, you should think about adopting MemoryDB (microsecond read and single-digit millisecond write latency). If you wish to create a Redis-based application with a primary, long-lasting database, MemoryDB might also be a good fit for your use case. Finally, you should think about adopting MemoryDB to reduce costs and simplify your application architecture by using a cache for durability and performance instead of a database.

Data from other databases and data stores that use Redis are frequently cached using the service ElastiCache for Redis. For caching workloads where you wish to speed up data access with your current primary database or data storage, you should think about ElastiCache for Redis (microsecond read and write performance). For use scenarios when you want to access data stored in a primary database or data store using the Redis data structures and APIs, you should also take ElastiCache for Redis into consideration.

 

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Ques. 10): How do I get started with using MemoryDB?

Answer:

Using the AWS Management Console, Command Line Interface (CLI), or Software Development Kit, you can begin by building a new MemoryDB cluster (SDK). Sign in and go to Amazon MemoryDB for Redis in the console to create a MemoryDB cluster. Choose "Get Started" and then "Create new cluster" from there.

 

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Ques. 11): Can I resize my MemoryDB cluster?

Answer:

Yes, you can change the horizontal and vertical sizes of your MemoryDB cluster. You can add or remove nodes to horizontally scale your cluster. Your dataset can be split among multiple shards by adding shards, and you can add more replica nodes to each shard to improve read throughput and availability. If you want to scale up your cluster, you may also delete replicas and shards. Changing the type of node you use will alter the memory and CPU resources available to each node, allowing you to expand your cluster vertically as well. Your cluster keeps running and continues to service read and write requests even when performing horizontal and vertical resizing operations.

 

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Ques. 12): How can I set up my MemoryDB cluster for authentication and authorization?

Answer:

Redis Access Control Lists (ACLs) are used by MemoryDB to manage cluster authorisation and authentication. With the aid of ACLs, you can provide unique permissions for various users within the same cluster. ACLs are groups of one or more users. For the purpose of authorising access to Redis commands and data, each user has a password and an access string.

 

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Ques. 13): How does Amazon MemoryDB for Redis' data tiering function?

Answer:

When available memory is used up, data tiering uses SSD storage in cluster nodes to continue processing data. Data tiering is automatically activated when employing cluster nodes with SSD storage, and MemoryDB controls data placement by transparently transferring things between memory and disc using a least-recently-used (LRU) strategy. MemoryDB automatically recognises the least-recently used items when memory is completely utilised and copies their values to disc to reduce cost. MemoryDB seamlessly copies an item's value to memory before completing a request when an application has to obtain it from the disc, doing so with no performance hit.

 

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Ques. 14): Can I migrate data from ElastiCache for Redis to my MemoryDB cluster?

Answer:

Yes, you can move data from MemoryDB to ElastiCache for Redis. Create an export to your S3 bucket of an image of your ElastiCache for Redis cluster first. Next, establish a fresh MemoryDB cluster and choose the backup to use for a restore. With the information from the snapshot and the Redis metadata, MemoryDB will establish a new cluster. See the MemoryDB documentation for more details on moving data from ElastiCache for Redis to MemoryDB.

 

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Ques. 15): How is the append-only file (AOF) feature of open source Redis different from MemoryDB's durability functionality?

Answer:

To store data durably, MemoryDB uses a distributed transactional log. MemoryDB offers quick database recovery and restart thanks to the distribution of data across several AZs. Additionally, MemoryDB provides consistent reads on primary nodes and eventual consistency for replica nodes.

An optional append-only file (AOF) feature in open source Redis allows for the long-term storage of data in a file on a primary node's hard drive. However, there is a chance of data loss because AOF saves data locally on primary nodes in a single availability zone. Additionally, there is a chance that replica consistency will be a problem in the event of a node loss.

 

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Ques. 16): Is Redis compatible with MemoryDB?

Answer:

Yes, MemoryDB supports the same set of Redis data types, parameters, and commands that you are accustomed to. MemoryDB also retains compatibility with open source Redis. This implies that you can utilise MemoryDB with the same application code, clients, and tools that you already use with Redis. All Redis data types, including strings, lists, sets, hashes, sorted sets, hyperloglogs, bitmaps, and streams, are supported by MemoryDB. Additionally, because MemoryDB administers your cluster for you, it supports the 200+ Redis commands with the exception of Redis admin commands.

 

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Ques. 17): My data is it encrypted by MemoryDB?

Answer:

Yes, MemoryDB supports both at-rest and in-transit data encryption. You can use a MemoryDB supplied key or customer managed keys (CMK) from AWS Key Management Service for encryption at rest. Your data is encrypted in memory using always-on 256-bit DRAM encryption when using Graviton2 instances for your MemoryDB cluster.

 

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Ques. 18): What does Amazon MemoryDB for Redis' data tiering mean?

Answer:

A new price-performance feature for MemoryDB called "Data Tiling for Amazon MemoryDB for Redis" automatically transfers less-frequently accessible data from memory to high-performance, locally attached solid-state drives (SSD). Data tiering boosts MemoryDB's capacity, streamlines cluster administration, and lowers total cost of ownership (TCO).

 

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Ques. 19): How is my data securely stored via MemoryDB?

Answer:

MemoryDB uses a distributed Multi-AZ transactional log to ensure data durability, consistency, and recoverability while storing your complete data set in memory. MemoryDB offers quick database recovery and restart thanks to the distribution of data across several AZs. MemoryDB can provide lightning-fast performance and excellent throughput by additionally keeping the data in memory.

 

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Ques. 20): What is the maximum size of a cluster that MemoryDB can support?

Answer:

A MemoryDB cluster of up to 500 nodes is created by you. With 250 primary nodes and one replica for high availability, this results in a maximum memory storage capacity of about 100 TB.

 

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Additionally, you can use Amazon Pinpoint to develop campaigns that notify your users via emails, text messages, push notifications, in-app messaging, and other means when they do particular activities within your apps. Creating a welcome email to send to customers who create profiles is one example. Using the Amazon Pinpoint console or the Amazon Pinpoint API, you may build event-based campaigns. Both transactional and targeted marketing use cases can be implemented well with event-based campaigns. You choose certain events, traits, and metric values that you wish to use to activate your campaigns rather than specifying a time to send your message to clients.

You can decide when the campaign should be sent while setting up the campaign in Amazon Pinpoint. You have two choices: either send the campaign at a particular time or send it when an event takes place. Period-based campaigns can be planned to run once right away or at a specific time in the future. Hourly, daily, weekly, or monthly runs can also be planned for them. To establish your recurring campaigns, pick a start date, an end date, and decide whether or not to base message delivery on the time zone of each recipient.

 

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Ques. 1): How can I manage and conduct my campaigns using Amazon Pinpoint?

Answer:

Running targeted campaigns and promoting consumer communications across various channels, such as email, SMS, push notifications, in-app messaging, or custom channels, is simple with Amazon Pinpoint. You may specify which people to target with Amazon Pinpoint campaigns, choose the messages to send, set the optimal time for the messages to be sent, and then monitor the campaign's progress.

Because Amazon Pinpoint is designed to scale, you can use it to gather and process billions of events daily and send billions of user-specific messages.

 

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Ques. 2): How are campaign limitations implemented?

Answer:

You may define the maximum amount of messages an endpoint can receive for a campaign on the General Settings page of the Amazon Pinpoint console or in the campaign settings. When you wish to impose severe restrictions on the number of messages an endpoint can receive at any given time, this functionality can be helpful. You can set the limit to 1 if, for instance, you develop a campaign that is automatically distributed to all new clients. The message will only be sent to new clients once thanks to this setting.

The number of messages that target an endpoint, as opposed to the number of messages that are actually delivered to an endpoint, is what determines how effective this feature is. The endpoint is still considered to have been targeted even if a campaign is set up to automatically send a message when a client establishes a new account but the endpoint is unable to receive the message for whatever reason (for instance, if your campaign's quiet time option applies to the endpoint). In this case, the endpoint is dropped from all campaign runs going forward until the limit period has passed.

 

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Ques. 3): How can Amazon Pinpoint be used by developers?

Answer:

A single API layer, CLI support, and client-side SDK support are all provided by Amazon Pinpoint to developers so they can increase the number of communication channels available to users of their applications. Email, SMS text messaging, push alerts, voice messages, and custom channels are a few of these channels. Additionally, Amazon Pinpoint offers developers access to an analytics platform that monitors app user engagement and activity. With the use of this service, developers can discover the preferred methods of interaction from each user and tailor the end-user experience to boost the utility of their applications.

Several messaging use cases, including direct or transactional messaging, targeted or campaign messaging, and event-based messaging, are also assisted by Amazon Pinpoint for developers.


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Ques. 4): What are campaigns based on events?

Answer:

When your consumers complete certain activities within your applications, such making purchases or watching videos, event-based campaigns send them messages via text, push notifications, in-app messaging, and emails. For instance, you may configure a campaign to send a message when a customer registers for an account or adds something to their basket but later decides not to buy it. Using the Amazon Pinpoint console or the Amazon Pinpoint API, you may build event-based campaigns. Both transactional use cases, like one-time passwords and order confirmation messages, and targeted use cases, like marketing promotions, can be implemented successfully using event-based campaigns. Rather than define a time to send your message to customers, you select specific events, attributes, and metric values that you want to use to trigger your campaigns. 


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Ques. 5): What advantages do custom events offer?

Answer:

You may learn more about user behaviour in your app by using custom events. For instance, a game designer would be interested in knowing how frequently a level is finished as well as how much health each player has left after finishing a level. You can build a custom event called "level complete" that has the attributes "add level" and "health" as its value. You can log a "level complete" event each time a level is finished, along with the level's name and the player's health. You could find that a level is too simple by looking at the events charts because everyone always completes with maximum health. Using this data, you can adjust the level's difficulty to better challenge and engage players, which might improve retention.

Additionally, you can utilise custom events to develop event-based campaigns that are sent when users of your applications do particular actions. For instance, you can configure a campaign to send a message whenever a consumer registers for an account, makes a specified transaction, or adds an item to their basket but decides not to check out.

With the aid of event-based campaigns, you can reach out to your audience with timely, relevant, and personalised messages that build their trust in your company and encourage them to buy from you again. Using the Amazon Pinpoint console or the Amazon Pinpoint API, you may build event-based campaigns.


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Ques. 6): What exactly is a "session"?

Answer:

When an app is launched (or brought to the foreground), a session begins, and it ends when the app is closed (or goes to the background). An idle interval of up to 5 seconds does not count as a new session in order to account for small interruptions, such as a text message. Total daily sessions displays the daily usage of your app. The average number of sessions per user who is an active daily user is displayed.

 

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Ques. 7): Where can I find analytics information?

Answer:

The Amazon Pinpoint console lets you access analytics information. The interface offers thorough graphs and stats for each of your projects that offer insight into things like client demographics, application usage, purchase activity, campaign delivery and engagement rates, and customer activity. A portion of these metrics are also available programmatically using the Amazon Pinpoint API.


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Ques. 8): Will this phone number be used to send every SMS message to US recipients if I only have one 10DLC phone number in my account?

Answer:

Yes. Any messages you send to receivers in the US will go through that number if you just have one US phone number in your account, whether it be a 10DLC number, a short code, or a toll-free number.

You can give your Origination Number in your call to the Amazon Pinpoint API if your account has several numbers. Without a specific origination number specified, Amazon Pinpoint finds the most appropriate number to use to send your message. Amazon Pinpoint will send using your account's short code if one is present. If you don’t have a short code, it looks for a 10DLC phone number, and attempts to send using that number. If you don’t have a 10DLC number, it looks for a toll-free number, and attempts to send using that number.

 

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Ques. 9): How much time does it take to transfer 10DLC registrations between AWS accounts?

Answer:

While it is feasible to transfer 10DLC registrations between AWS accounts, the transfer procedure may take a few weeks to complete. We advise you to finish the 10DLC registration process on your primary production account as a result. Then, you may share your 10DLC phone numbers with other AWS accounts, such your test or development accounts, using cross-account access.

 

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Ques. 10): Will I experience throttling if my 10DLC campaign cannot handle my increased publishing rate?

Answer:

By default, Amazon Pinpoint only allows you to send 20 SMS messages each second. You will experience throttling issues if you go over this account-level cap. You may, however, ask for this cap to be raised.

 

With 10DLC, the corporate and campaign registration processes involve the cell carriers calculating a trust score for each sender. How many texts you can send to each carrier is based on your trust score. Your messages will start to be rejected by a specific carrier if you go over the campaign cap for that carrier. To track these events, Amazon highly advises that you activate event streaming.

 

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Ques. 11): Are URL shorteners compatible with 10DLC messages?

Answer:

Links that have been shortened using services like bit.ly or TinyURL are not permitted by mobile providers. When you add links in your communications, we advise using the complete domain of the URLs. As an alternative, you can employ dedicated domains with commercial URL shortening services. Even a URL shortener can be created utilising AWS services. If you employ a custom URL shortening domain, the name need to be immediately associated with your company. You should include instances of your shortened URLs when you supply your message templates during the 10DLC campaign registration procedure.

 

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Ques. 12): In what ways may I test Amazon Pinpoint?

Answer:

With Amazon Pinpoint, you can trial before you purchase without speaking to a salesperson, filling out an RFP, or engaging consultants or other professional services. Simply create an Amazon Pinpoint project by logging in with your AWS credentials to the Amazon Pinpoint console.

 

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Ques. 13): What does Sender ID mean?

Answer:

An SMS message's sender can be determined by the sender ID, which is an alphabetical name. If you use a sender ID to send an SMS and the recipient is in a region that supports sender ID authentication, your sender ID will appear on their device in place of a phone number. SMS recipients can learn more about the sender than they do from a phone number or short code thanks to a sender ID.

In many nations and areas of the world, sender IDs are supported. Businesses that send SMS messages to specific clients may need to use sender IDs that have been pre-registered with a regulatory body or industry association in various jurisdictions. For a complete list of countries and regions that support or require sender IDs, see Supported countries and regions (SMS channel).

 

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Ques. 14): What does a travel activity entail?

Answer:

Multi-step campaigns are automated by journeys. Every task in a journey is either an action (like sending an email), a wait depending on time, a segmentation of the trip based on the customer's action (like opening an email vs. not opening the email), or enforcing a holdout.

 

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Ques. 15): What should I do if I make a mistake while travelling?

Answer:

Journeys has a built-in review mechanism that looks for deal-breaker problems and offers suggestions and best practises. Before beginning each travel, this review process must be finished.

The test function in Journeys also makes it simple to send a group of test subjects on a journey. You may make sure that your journey acts as you anticipate by testing it first.

You can halt your journey at any point if you run into problems while it is in progress. When a journey is interrupted, people stop doing the activity they are doing right now and never move on to the following activity.

 

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Ques. 16): What's a standard campaign?

Answer:

A targeted segment (either static or dynamic), a message, and an execution timetable are all parts of a standard campaign. When you establish a campaign, you may also use previously defined segments or define a new segment. Based on the segment-specific criteria, Amazon Pinpoint recalculates the current audience size for each campaign that is scheduled.

 

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Ques. 17): How can I launch an event-based campaign?

Answer:

Making a new campaign is the initial step in putting up an event-based campaign. You decide when the campaign should be sent on step 4 of the campaign development procedure. You have the option of sending the campaign when a certain time or event occurs. Select "When an event occurs" before selecting the occasions, characteristics, and metrics that launch your campaign.

 

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Ques. 18): What are bespoke occasions?

Answer:

Custom events are defined as event metrics by you. They provide the tracking of user actions unique to your game or application. Viewing the frequency of custom events is possible thanks to the Amazon Pinpoint event charts. Based on attributes and the values assigned to them, custom events can be filtered.

By giving them names like "Item Bought" or "Button Pressed," you may construct custom events. You can then give them context by supplying metrics and characteristics (for qualitative measures) (for quantitative measures). For instance, you can use "Item Bought" as a custom event, "Item XYZ" as an attribute, and "Item Price" as the metric if your business goal is to track purchases of things from within the app. You may search and filter for each property or metric in the custom events report. You can discover, for instance, how frequently "Item XYZ" was bought or how frequently "Item Price" was $1.99. Additionally, you can monitor minimum, maximum, or average metric values as well as analyse the weighted average of metric data (per session). We advise custom event names to be general and attribute names to be specific as a best practise.

 

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Ques. 19): What kinds of statistics are available on my mobile and web applications from Amazon Pinpoint?

Answer:

Several different types of common analytics are available through Amazon Pinpoint to help you understand how your application is doing. Metrics for active users, user behaviours and demographics, sessions, user retention, campaign efficacy, and transactional messages are all part of standard analytics. You may undertake in-depth analysis using these metrics together with the analytics tools on the console by filtering on certain segments, custom properties, and more.

 

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Ques. 20): How long are analytics data stored by Amazon Pinpoint?

Answer:

Your analytics data is automatically stored by Amazon Pinpoint for 90 days. To keep the data for a longer period of time, you can export data from the console to comma-separated values (.csv) files or set up Amazon Pinpoint to stream event data to Amazon Kinesis. You can view your data on the console or you can query a subset of it programmatically using the Amazon Pinpoint API. Kinesis is an Amazon Web Services (AWS) service that can instantly gather, analyse, and analyse data from other AWS services. Event data from Amazon Pinpoint can be sent to Kinesis Data Firehose, which streams data to Amazon S3 and Amazon Redshift, among other AWS data stores. Additionally, Kinesis Data Streams, which receives and maintains numerous data streams for processing in analytics applications, may receive data from Amazon Pinpoint.

 

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