Overview
Memcached version and service status
Memcached version and systemd service status on a freshly launched instance.
Memcached version and service status
Memcached stats command output
Memcached set and get operations
This is a repackaged open source software product wherein additional charges apply for cloudimg support services.
Overview Memcached is the high performance, open source, distributed memory object caching system used by everything from web frameworks to large scale APIs to offload database load and accelerate dynamic web applications. This image delivers Memcached fully installed and configured, so a working cache server is running within minutes of launch.
What Is Included Memcached from the operating system's package repository, with SASL PLAIN authentication compiled in and required by default. The cyrus-sasl2 plumbing, libmemcached-tools client utilities (memcstat, memcset, memcget) and the python3-pylibmc client library are pre-installed. The Memcached service is enabled, starts on boot and listens on 11211.
Secure First Boot On the first boot of every instance a one shot service generates a fresh SASL PLAIN password for the cloudimg user, writes it to the SASL credential database, and records it in a root only file at /root/memcached-credentials.txt. No shared or default credentials ship in the image.
Network Posture Memcached listens on 0.0.0.0:11211 so application servers in the customer's VPC can connect; restrict the inbound rule to the application CIDR before deploying real workloads. A small nginx healthcheck shim serves a static response on port 80 so AWS Marketplace scanners and external load balancers have an HTTP endpoint to probe; customer traffic is on 11211.
Ready To Use The Memcached service is configured and starts on boot. Connect over SSH, read the rotated credentials from /root/memcached-credentials.txt, and immediately start storing and retrieving objects with memcset / memcget or any SASL aware client library.
cloudimg Support 24/7 technical support by email and chat. Help with cache configuration, sizing, client integration, security review and upgrades.
Use Cases Database query result caching. Session storage for web applications. API response caching. Rate limiter counters and ephemeral key value state for high traffic services.
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Highlights
- Memcached preinstalled with SASL PLAIN authentication compiled in and required by default, listening on 11211 and started on boot
- Per instance credentials: a fresh SASL password for the cloudimg user is generated on first boot and recorded in a root only file
- 24/7 technical support from cloudimg for cache configuration, sizing, client integration, security review and upgrades
Details
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Dimension | Description | Cost/hour |
|---|---|---|
m5.large Recommended | m5.large | $0.08 |
t2.micro | t2.micro instance type | $0.04 |
t3.micro | t3.micro instance type | $0.04 |
c8in.metal-48xl | c8in.metal-48xl instance type | $0.24 |
m5ad.2xlarge | m5ad.2xlarge instance type | $0.24 |
c8ine.2xlarge | c8ine.2xlarge instance type | $0.24 |
r5n.2xlarge | r5n.2xlarge instance type | $0.24 |
i7ie.3xlarge | i7ie.3xlarge instance type | $0.24 |
t3.xlarge | t3.xlarge instance type | $0.12 |
m8i.32xlarge | m8i.32xlarge instance type | $0.24 |
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Refunds available on request.
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Delivery details
64-bit (x86) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Initial release of Memcached 1.6 on AWS.
Additional details
Usage instructions
Connect via SSH on port 22 as the default login user for your operating system variant (the user guide lists it per variant). Memcached is already running and listening on 11211 with SASL PLAIN required. Read the per instance credentials with: sudo cat /root/memcached-credentials.txt. Test the cache with libmemcached-tools: memcstat --servers=127.0.0.1:11211 --binary --username='cloudimg' --password='<password>'. Restrict the inbound 11211 security group rule to your application CIDR before exposing the cache to real traffic.
Resources
Vendor resources
Support
Vendor support
cloudimg provides 24/7 technical support for this product by email and live chat. Our engineers help with deployment, configuration, updates, performance tuning and troubleshooting; critical issues receive a one hour average response. Contact support@cloudimg.co.uk .
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.