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ElastiCache 支援 r4.* 了

每年 AWS re:Invent 要到的時候就會有很多新的消息出來,Amazon ElastiCache 的團隊應該也是配合著這一波放出消息:「Amazon ElastiCache Now Supports the R4 Node Family」。

包括了 memcachedRedis 都支援了:

Amazon ElastiCache now supports R4 node types. R4 nodes are optimized for latency sensitive and memory intensive workloads. They come in six sizes, providing 12.3GiB to 407GiB of available in-memory capacity. By setting up a 15-shard cluster for Redis, you can scale up to 6.1TiB of in-memory capacity. For Memcached, you can set up a 20-node cluster to support up to 8.14 TiB in-memory workloads. Equipped with the Intel Broadwell processor, and improved networking, R4 node family offers superior performance over the popular R3 node family.

這兩個應用都是看記憶體吃飯的...

AWS 大降價

在「AWS Price Reduction #42 - EC2, S3, RDS, ElastiCache, and Elastic MapReduce」這邊看到 AWS 降價的消息,明顯是被 Google 壓著推出來 :p

降價的範圍包括 EC2 instance、EC2 的 reserved instance、S3,以及對應的 RDSElastiCacheElastic MapReduce

前幾天買了兩台 us-west-2 c1.xlarge 的三年 RI,結果從 USD$2804 降到 USD$2524,現虧 USD$280 (XDDD),而每小時單價從 USD$0.124 降到 USD$0.112,也就 9.7% 左右。

另外 S3 的部份則是直接從 USD$0.085/GB 一次殺到 USD$0.03/GB 了,隨著使用量的增加的 discount 差不多都消失了。

等下再來研究好了,計畫永遠趕不上變化...

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