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What do you think about Amazon ElasticCache?

November 7th, 2011 by evereq

What do you think about Amazon ElasticCache? (http://aws.amazon.com/elasticache)

High-Memory Quadruple Extra Large Cache Node (cache.m2.4xlarge): 68 GB memory, 26 ECUs (8 virtual cores with 3.25 ECUs each), 64-bit platform, High I/O Capacity cost 2.24$ per hour or about 1600$ per month!

For about 5000-6000$ you can purchase server with following hardware:
4x AMD Opteron 6128 / 2,00GHz Eight-Core (i.e. 32 CORES)
64GB ECC registered DDR3
2 * 80GB 2,5 Intel SSD with Adaptec RAID
1+1 1400W redundant (Hot-Swap) PSU
etc.

Now install here your favorite free Linux and Memcached and you are ready to go

Totally:

Server with better hardware (32 real 2GHz cores instead of 26 ECUs i.e. 8 virtual cores in AMZ, very fast DDR3 memory, redundant power supply and brand MB (Supermicro) instead of “well know instance lifetime issues in AMZ” etc) will cost you something like 3-4 month of AMZ instance rent! Sure, you can say like: what about Collocation cost? Hm… 1U server probably MAX 100$ per month (including some big traffic) etc.

Instead of Conclusion:

So you still think same about Amazon ElasticCache ???

http://www.facebook.com/jaredstenquist Jared Stenquist

Well of course it makes sense to purchase a server instead of using AWS Elasticache if….

- you have enough cache and are budgeting out a year or more ahead of time.�
- you don’t have the rest of your infrastructure already inside of AWS. There is no Co-Location option for AWS.

Personally I like the ease of utilizing all of AWS’s services in unison. It’s much simpler than the dedicated server / colo route.

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