Category Archives: Murmuring

歐盟對於盜版是否帶來傷害的研究

Posted on September 26, 2017 by Gea-Suan Lin

歐盟在 2014 年做了關於盜版與銷量的研究，結果一直被壓到最近才發表出來 (於是就大概可以猜到結論了...)：「EU Piracy Report Suppression Raises Questions Over Transparency」。 “In general, the results do not show robust statistical evidence of displacement of sales by online copyright infringements,” the study notes. 甚至： The study found that piracy had a … Continue reading →

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Facebook 把 InnoDB 換成 MyRocks 的計畫

Posted on September 26, 2017 by Gea-Suan Lin

在「Migrating a database from InnoDB to MyRocks」這邊講到了 Facebook 把 MySQL 的 InnoDB 換成 MyRocks 的計畫。 Facebook 已經大量導入全 Flash 的環境，於是現在 InnoDB (Compressed) 的情況類似於這樣： 可以看到空間是最大的問題 (Space-bound)，而非 CPU 或是 I/O，這在純 Flash 的機器上還蠻有可能的，因為純 Flash 能提供的 I/O capacity 超高，加上 Facebook 把 MySQL 當作後端儲存設備而已，CPU 的使用量可以預期不高... 然後他們估算 … Continue reading →

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MySQL 的 XA Transaction

Posted on September 25, 2017 by Gea-Suan Lin

Percona 的「How to Deal with XA Transactions Recovery」這篇提到 MySQL 的 XA Transaction 的復原問題。 XA Transaction 主要拿來做分散式上的事物交易，在官方文件上就有提到對應的標準： The MySQL XA implementation is based on the X/Open CAE document Distributed Transaction Processing: The XA Specification. This document is published by The Open … Continue reading →

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AWS NLB 也可以指定 IP address 當後端了

Posted on September 24, 2017 by Gea-Suan Lin

月初的時候 AWS ALB 支援 IP address 當後端 (AWS ALB 可以設定 IP address 當作後端伺服器了)，然後推出 AWS NLB (AWS 推出新的 Load Balancer：NLB (Network Load Balancer))，然後這個功能也被做到 NLB 上了：「Elastic Load Balancing: Network Load Balancer now supports load balancing to IP addresses as targets for AWS … Continue reading →

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AWS CodeBuild 可以管 Secret 了...

Posted on September 23, 2017 by Gea-Suan Lin

AWS CodeBuild 可以管理 secret 了：「AWS CodeBuild Now Provides Ability To Manage Secrets」。 AWS CodeBuild now further enhances securing your build environment. CodeBuild can now store sensitive information as secrets, which can now get directly passed to your build jobs. This … Continue reading →

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Facebook 決定修改原先的授權條款

Posted on September 23, 2017 by Gea-Suan Lin

Facebook 在各個單位的砲火下決定將本來的 BSD+Patents 授權改為 MIT license：「Relicensing React, Jest, Flow, and Immutable.js」。 Next week, we are going to relicense our open source projects React, Jest, Flow, and Immutable.js under the MIT license. 後面講了很多場面話，聽聽就好... 改成 MIT license 最大的理由應該還是在 PR 面的傷害。

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Adobe Security Team 直接把 Private Key 貼到網誌上面...

Posted on September 23, 2017 by Gea-Suan Lin

Security Team 出這種包...：「In spectacular fail, Adobe security team posts private PGP key on blog」。 Oh shit Adobe pic.twitter.com/7rDL3LWVVz — Juho Nurminen (@jupenur) September 22, 2017 Adobe 這次的事情要怎麼說呢，hmmm...

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EFF 因 DRM 退出 W3C

Posted on September 23, 2017 by Gea-Suan Lin

EFF 一直站在反對 DRM 的立場，這次 W3C 通過並公開 DRM 框架規格後，EFF 決定退出 W3C：「World Wide Web Consortium abandons consensus, standardizes DRM with 58.4% support, EFF resigns」。 不算太意外... EFF 對 DRM 的立場一直都很清楚，非常的清楚...

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Amazon EC2 推出 4TB 的機器

Posted on September 23, 2017 by Gea-Suan Lin

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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Mozilla 的提案「HTTP Immutable Responses」

Posted on September 20, 2017 by Gea-Suan Lin

狀態已經是 Category: Standards Track 了，RFC 8246 的「HTTP Immutable Responses」： The immutable HTTP response Cache-Control extension allows servers to identify resources that will not be updated during their freshness lifetime. This ensures that a client never needs to revalidate a cached … Continue reading →

Posted in Browser, Computer, Murmuring, Network, Software, WWW | Tagged , , , , , , , , | 1 Comment