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Questions tagged [amazon-dynamodb]

33 questions
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DynamoDB Streams with Lambda, how to process related messages in order?

I want to use DynamoDB Streams + AWS Lambda to process chat messages. Messages regarding the same conversation user_idX:user_idY (a room) must be processed in order. Global ordering is not important. Assuming that I feed DynamoDB in the correct…
AlfredBaudisch
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object mapping for [doc.awsRegion] tried to parse field [awsRegion] as object, but found a concrete value

I am using Logstash Dynamodb PLugin to index data to be able to query it. Everything was running pretty smoothly, until one of my teammates started messing with the schema, and broke it. We can still index the data fine, however new data no longer…
user3521621
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How to set up AWS EC2 with apache

I am new to AWS and I have some basic set up questions that I can't find answers to. 1) I have created an EC2 instance using the default Amazon Linux AMI. How can I install apache? Then how can I confirm what is installed? 2) I have downloaded the…
Brian
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How to automate the generation of the table schema json for aws dynamodb create-table?

Currently if I run aws dynamodb create-table --generate-cli-skeleton, it will generate a template for me to fill in column definitions etc to create a new dynamodb table. I want to be able to dump the table layout from another dynamodb table and…
Anthony Kong
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What is the correct way to visualise AWS DynamoDB data in AWS Quicksight

In a nutshell how to connect DynamoDB to AWS Quicksight, considering these criteria? In my existing solution, data arrives at AWS IoT, invokes a rule which sends it to Lambda. Lambda decodes it and puts it into DynamoDB. Each record in DynamoDB…
monkey
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AWS monthly billing for dynamoDB

I am going to set up a DynamoDB on aws, and their pricing is about .3$/GB a month. If i store 500 GB for an hour, do some work on it, then remove 200GB after an hour. Do i have to pay for the 500 GB used for the whole month or, 500 GB for the hour…
Mbn
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DynamoDB Cost in 2019

I am currently trying to line out the stack for a social-media-like application (users, follows, likes etc.). My initial plan was to do this with the Serverless Framework using AWS Lambda and most importantly DynamoDB. Having looked quite deeply…
Xen_mar
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AWS serverless setup for recurring tasks?

I have a database consisting of many items. At least one time per day I want to loop through all items in this database and for each item, call an external API to fetch current data about this item and store it in my database. With this scenario in…
Tanax
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To implement persistent queue, should I go for RDS or DynamoDB on aws?

This is my use case: I have a decoupled application system. One application is accepting requests, validating, and queuing in SQS. Other application is mounted on a cluster of EC2 workers that will process messages. After a first processing I need…
koalaok
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Does AWS support DBF files or Samba Shares?

We have DBF files running in our local network. It's on an Ubuntu Server running Samba shares. The DBF files are used by our in-house system running on xBase. Now we're moving everything to Amazon Web Services. I was wondering if AWS has an…
jarvis
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See how many times the provisioned throughput was decreased within the same day in a DynamoDB table

Is there anyway to see how many times the provisioned throughput was decreased within the same day (UTC) in a DynamoDB table? When increasing the provisioned throughput I am always afraid not to be able to decrease it afterward within the same day,…
Franck Dernoncourt
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Is it possible to run Joomla in DynamoDB?

I'm trying to find a scalable way to run my Joomla installation with Amazon Web Services. I was very excited with the announcement of DynamoDB, but I'm not sure about the challenges to run Joomla on a NoSQL database. Is it possible to run Joomla on…
user108173
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DynamoDB Auto-Scaling, Application Auto-Scaling

I'm trying to setup a set of boto3 python AWS scripts which can create new users and dynamoDB tables, so that the web app I'm working on can add new users with properly scoped permissions. I'm having trouble getting the scripts to add auto-scaling…
Devin Ceartas
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DynamoDB user segmentation

Is there an industry standard way to segment data by company / user / client in DynamoDB? If I was using a relational database, I think i'd have a different database for the level I'm thinking of here. Rather than having keys to mark rows as…
Devin Ceartas
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SHA512-CRYPT MariaDB passwords migration to DynamoDB

I used to run my mail server's DB in MariaDB (10.5.16) on-prem on Debian 10. I've now migrated this to RDS, however I would also like to try and migrate to DynamoDB. Most of the data is plaintext, however per say in my account table I have my…
carlitobrigante
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