Questions tagged [elastic-cache]

51 questions
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Redis index scan for not equals operator

I'm trying to use Redis sorted set as my secondary index while the actual data is stored on AWS S3. Let's say if I want to support a condition like Name!= 'uma' is there anyway to achieve that using the inbuilt pattern matching? For example, Let's i…
Umamaheswaran
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What's the cheapest way to store an auto increment indexed list of values in AWS?

I have a DynamoDB-based web application that uses DynamoDB to store my large JSON objects and perform simple CRUD operations on them via a web API. I would like to add a new table that acts like a categorization of these values. The user should be…
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Cloud Formation template for AWS::ElastiCache::GlobalReplicationGroup

wanted to create Redis global datastore using CF , following the guidelines https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-elasticache-globalreplicationgroup.html but no luck, I can create Redis cluster but not the…
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Getting ReadOnly error when writing data to AWS elastic cache while the cluster is vertically scaled

I have a python application that writes some data to AWS elastic cache cluster at a regular interval. Here's an example script that simulates the functionality of my application. It also replicates the error that I have been facing. from datetime…
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Cannot access redis instance from python

I have created a elastic cache instance with redis, using terraform. This is the code I have used: resource "aws_security_group" "main" { name = "redis-security-group" description = "Controls access to the redis instance" vpc_id =…
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Use EC2 server as Nat gateway

Should we use an really small ec2 server as nat gateway? We want to use Amazon ElastiCache Memcached and it will be inside vpc, will ec2 server be cheaper as nat gateway?
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