Category Archives: AWS

Amazon EC2 推出 4TB 的機器

之前 Amazon EC2 記憶體最大的機器是 x1.32xlarge 的 2TB RAM (更精確是 1952GB),現在推出了 4TB RAM 的 x1e.32xlarge (3904GB):「Now Available – EC2 Instances with 4 TB of Memory」。 現在這個時間點在 us-east-1 的價錢是 USD$26.688/hour (一個月 USD$19215.36),用的到的人應該付得起? 另外值得注意的是,x1e.32xlarge 雖然比 x1.32xlarge 多了一倍的記憶體,但 vCPU 不變 (都是 128),而且 ECU 下降了 … Continue reading

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EC2 的 Spot Instance 可以「接關」

Amazon EC2 的 Spot Instance 可以「接關」了:「New – Stop & Resume Workloads on EC2 Spot Instances」。 當 Spot Instance 的競價不足以標到機器時,他會先關起來 (Stop),等到價錢低於競價後就會再打開機器,這時候的狀態就會恢復。另外也提到了必須是使用 EBS 的機器才支援: Amazon EC2 Spot now allows Amazon EBS-backed instances to be stopped in the event of interruption, instead of … Continue reading

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EC2 與 EBS 十月開始以秒計費

雖然只是 Amazon EC2 與 Amazon EBS 計價模式的改變,但這次 AWS 的改變對於許多開發流程有很大的影響 (重點在 EC2 的部份):「New – Per-Second Billing for EC2 Instances and EBS Volumes」。 10/2 開始改變 (而不是 10/1),低消一分鐘,Windows 機種以及需要額外收費的 Linux 機種不在範圍內: This change is effective in all AWS Regions and will be effective … Continue reading

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Google 放棄對海外伺服器搜索票的抵抗了...

先前美國政府透過搜索票,要求各雲端廠商提供海外伺服器的資料而引起話題 (像是先前 Microsoft 往上打官司抵抗:「Does US have right to data on overseas servers? We’re about to find out」),而現在看起來 Google 打算放棄掙扎了:「Google stops challenging most US warrants for data on overseas servers」。 Google has quietly stopped challenging most search warrants from US judges … Continue reading

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Route 53 的 Query 記錄

Amazon Route 53 可以收 query log 了,會丟到 CloudWatch Logs:「Amazon Route 53 Announces Support For DNS Query Logging」。 If you are using Amazon Route 53 as your public, authoritative DNS, you will now have the capability to easily log DNS queries … Continue reading

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AWS 推出新的 Load Balancer:NLB (Network Load Balancer)

從一開始推出的 ELB (Elastic Load Balancer),到 ALB (Application),現在則推出了 NLB (Network):「New Network Load Balancer – Effortless Scaling to Millions of Requests per Second」。 有這些特性: Static IP Addresses Zonality Source Address Preservation Long-running Connections Failover 雖然不能確定 AWS 用的技術是什麼,但這裡面有好幾個很明顯就是 DSR (Direct Server Return) 架構的特性 … Continue reading

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在 EC2 上使用 25Gbps 的網路

Amazon EC2 上許多系列最大台的機器現在都可以透過特殊界面跑到 25Gbps 了:「Announcing improved networking performance for Amazon EC2 instances」。 Amazon EC2 instances now provide a maximum bandwidth of 25 Gbps. This feature is available on the largest instance sizes of the M4, X1, P2, R4, I3, F1, … Continue reading

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在 AWS 的 NGINX Plus

主要是看到「Quick Start Update: Deploy NGINX Plus on the AWS Cloud」這篇才知道在 AWS Marketplace 上有「NGINX Plus - Amazon Linux AMI (HVM)」可以用,而且有三十天試用期可以使用: 30 Day Free Trial Available - NGINX Plus is a high performance load balancer, edge cache and origin server for web … Continue reading

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Amazon Route 53 對地區的微調功能

Amazon Route 53 推出新功能,針對地區微調資源的比重:「Amazon Route 53 Traffic Flow Announces Support For Geoproximity Routing With Traffic Biasing」。 範例大致上說明了這個功能的能力,假設你在兩個點都有服務可以提供,你可以利用這個功能微調某個比率到某個點: For example, suppose you have EC2 instances in the AWS US East (Ohio) region and in the US West (Oregon) region. When a … Continue reading

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AWS ALB 可以設定 IP address 當作後端伺服器了

AWS ALB 推出直接設定 IP address 當作後端伺服器的功能:「New – Application Load Balancing via IP Address to AWS & On-Premises Resources」。 ip – Targets are registered as IP addresses. You can use any IPv4 address from the load balancer’s VPC CIDR for targets … Continue reading

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