Category Archives: AWS

Amazon Route 53 將會加緊支援 DNS CAA

看到 Amazon Route 53 要支援 DNS CAA 的消息:「Announcement: Announcement: CAA Record Support Coming Soon」。 裡面有提到 CA/Browser Forum 的決議,要求各瀏覽器支援 DNS CAA: On March 8, 2017, the Certification Authority and Browser Forum (CA/Browser Forum) mandated that by September 8, 2017, CA’s are … Continue reading

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Amazon EC2 推出新的 GPU 系列機器

這次 Amazon EC2 推出了 G3 instance:「New – Next-Generation GPU-Powered EC2 Instances (G3)」。 這次開放的只有這幾區,亞洲目前還沒有在內: You can launch these instances today in the US East (Ohio), US East (Northern Virginia), US West (Oregon), US West (Northern California), AWS GovCloud (US), and EU … Continue reading

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AWS 的 Patch Manager 支援 Linux

在「Amazon EC2 Systems Manager Patch Manager now supports Linux」這邊 AWS 宣佈了 Patch Manager 支援 Linux 的消息。 目前支援的包括了: Amazon Linux 2014.03 and later (2015.03 and later for 64-bit) Ubuntu Server 16.04 LTS, 14.04 LTS, and 12.04 LTS RHEL 6.5 and later … Continue reading

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小台機器上的 innodb_purge_threads 對效能的影響

雖然「MyISAM, small servers and sysbench at low concurrency」這篇標題是在講 MySQL 上的 MyISAM,但還是有提到一些 InnoDB 的東西... 其中提到了 innodb_purge_threads 對效能的影響: the default value for innodb_purge_threads, which is 4, can cause too much mutex contention and a loss in QPS on small servers. For sysbench … Continue reading

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AWS 東京區支援 Amazon Athena 了

很簡單但也很直接的消息公佈,AWS 宣佈在東京區與新加坡區支援 Amazon Athena 了:「Amazon Athena is now available in Asia Pacific (Singapore) and Asia Pacific (Tokyo)」。 這樣就不需要在美國跑完丟回日本了...

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AWS WAF 支援速率限制了

AWS WAF 宣佈支援 Rate-based 條件了,不過目前只支援五分鐘為單位的限制:「Protect Web Sites & Services Using Rate-Based Rules for AWS WAF」。 算是還不錯的功能,雖然目前稍微陽春一點...

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AWS 香港區 2018 開台

業界這幾個月也傳的頗盛的消息總算也公開了。AWS 預定在 2018 年開香港區:「In the Works – AWS Region in Hong Kong」。 Today, I am happy to be able to tell you that we are planning to open up an AWS Region in Hong Kong, in 2018. 不過 HiNet 對香港的頻寬一直是個痛 … Continue reading

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AWS Batch 在東京區可以用了

AWS Batch 支援東京區了:「AWS Batch is Now Available in Tokyo」。 總算是在東京出現了... 在 FAQ 裡面有提到: AWS Batch uses Amazon ECS to execute containerized jobs and therefore requires the ECS Agent to be installed on compute resources within your AWS Batch Compute Environments. … Continue reading

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Amazon Aurora 可以 clone 了...

Amazon Aurora 可以 clone 複製資料庫了:「Amazon Aurora Introduces Database Cloning Capabilities」。 而且是 COW 架構 (Copy on write),所以複製出來的部份不需要額外付儲存費用,只有修改的部份才要付費,這點相當殺啊: A cloning operation does not incur any storage charges. You will only be charged for additional storage space if you make data changes. 這對於「測試」這件事情變出不少變化可以用...

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