Questions tagged [amazon-elasticache]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
0answers
20 views

How to create caching in AWS elasticache redis

I have a web application hosted on the AWS ec2 instance. I have load balancers enabled and also I have created a cluster in aws elasticache ( Redis ) i have 3 nodes in 1 shard. I can also access them ...
-1
votes
1answer
127 views

How to estimate the max number of connection an AWS ElasticCache Redis cluster can support?

Is there any formula or "rule of thumb" I can apply to make an estimate of maximum number of connections a redis cluster hosted on AWS ElasticCache can support? My cluster currently has 3 ...
0
votes
0answers
29 views

How to switch nodes easily in a redis cluster cli?

I have a three node redis cluster. If I run cluster nodes after I connect to one of the node via redis-cli, I got this output: 10.0.32.70:6379> cluster nodes ...
1
vote
0answers
37 views

How to monitor the disk space usage of an AWS elasticache redis cluster?

This is the reason behind this question: I am using a redis cluster on AWS elasticcache as a datastore. I do not enable eviction because I need to keep the data alive inside the redis cluster for as ...
1
vote
1answer
114 views

Why my java application can reach the AWS elasticcache Redis cluster with the lettuce library but not directly with redis-cli?

I have an java app running in an EC2 instance which use lettuce (https://lettuce.io/) to talk to a redis cluster on AWS ElasticCache. The java app can connect with no issue. Here is the netstat ...
0
votes
1answer
47 views

Unable to connect to redis on amazon (same VPC different subnets)

I am trying to set up a Redis cluster using amazon's ElasticCache I have a VPC with the following CIDR: 10.0.0.0/16. Which has five subnets: 2 private - 10.0.3.0/24 and 10.0.1.0/24 3 public - 10.0....
3
votes
0answers
359 views

Redis maxmemory on ElastiCache instance lower than expected

I have an AWS ElastiCache instance hosted on a cache.m5.xlarge instance type, which advertises 12.93gb of ram. from the AWS ElastiCache documentation it says that a cache.m5.xlarge instance should ...
2
votes
1answer
7k views

What are AWS elasticache redis connection limits?

We started an AWS Elasticache instance on a cache.t2.micro instance. How many connections will it accept?
0
votes
1answer
273 views

scrapy-redis can't connect to AWS Redis ElastiCache

I have two Ubuntu EC2 instances running Scrapy, both using scrapy-redis to control dupes. I am trying to use an ElastiCache Redis as the scrapy-redis store. I have the exact same set up in a different ...
1
vote
0answers
128 views

processor type differences between elasticache instance types , will all instances suffer the same way?

This may sound like yet another, "what is a vcpu" or "should I use elasticache, remember its single threaded!!" question --- but I think this asks a question unanswered. redis is single threaded, ...
2
votes
1answer
1k views

How to Terraform ElastiCache Redis cluster provisioning properly?

I am currently writing Terraform script to provision ElastiCache Redis Cluster. I have the following concern. In the script, I use a snapshot name to restore database from ElastiCache single Redis ...
0
votes
1answer
436 views

How to keep an Amazon ElastiCahe Memcached/Redis before a RDS MySQL database and use ElastiCache to cache the content?

I created one cluster in ElastiCache and connected that cluster with EC2 instance. And I want to include ElastiCache in front of my RDS(MySQL database). I have two questions which are as below. 1)Is ...
1
vote
1answer
755 views

Is it possible to have a Cloudwatch alarm of the 'free memory' of a ElastiCache Redis cluster?

I'm looking to set up a cloudwatch alarm on a Redis cluster in ElastiCache rather than each individual node. Is this possible in cloudwatch? so far I've only found ways to set alarms on each ...
1
vote
0answers
51 views

Does mod_pagespeed use Elacticache Cluster Client? Or do we have to manually keep a list of nodes?

I've searched a lot for this, but couldn't find anything. The documentation (https://www.modpagespeed.com/doc/system#memcached) also does not specify anything regarding the same. I'm using ...
0
votes
1answer
178 views

Can AWS ElastiCache instance fail during a manual/automated backup?

I have an AWS ElastiCache instance running at around 85% memory capacity. Before scaling to a bigger instance, I would like to take a manual backup and test a few things out. Failure of this node is ...

15 30 50 per page