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Monthly Archives: August 2012
Facebook HipHop 的效率
一直都知道 HipHop 是拿 compile time 換原始的 PHP 效能,但一直都沒有去找資料,不知道成本有多高,直到剛剛在「Alternative PHP Runtimes」這邊看到… 大概有個概念… :o
Posted in Computer, Murmuring, Programming, Software
Tagged facebook, hiphop, performance, php, speed
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伺服器的 BIOS 保護機制
NIST (National Institute of Standards and Technology) 是美國的政府機關 (國家標準技術研究所),訂定了非常多的標準。像是 DES 的制定 (NIST 前身,NBS – National Bureau of Standards) 與 AES 的選拔都是 NIST 的成果。 在 Slashdot 上看到 NIST 對於伺服器 BIOS 的保護機制提出建議:「NIST Publishes Draft Guidelines For Server BIOS Protection」,NIST 原始公告則是在「Security First: New … Continue reading
找 CloudFront 問題的方法…
分別是 identity.cloudfront.net 與 resolver-identity.cloudfront.net 的 TXT record,像是這樣: ;; QUESTION SECTION: ;identity.cloudfront.net. IN TXT ;; ANSWER SECTION: identity.cloudfront.net. 60 IN TXT “ns-nrt52-02.cloudfront.net.nrt52″ 以及: ;; QUESTION SECTION: ;resolver-identity.cloudfront.net. IN TXT ;; ANSWER SECTION: resolver-identity.cloudfront.net. 10 IN TXT “210.242.135.97″ 看起來是 AWS 在 forum … Continue reading
Amazon Web Services 新的儲存方案:Amazon Glacier
Amazon Simple Storage Service (Amazon S3) 是 AWS 第一代儲存服務。後來 S3 又提供了 Reduced Redundancy Storage,降低可靠度 (一年 99.99%) 換取價錢上的優勢,用在 cache file 之類的還蠻不錯。目前兩者在美東的價錢是 USD$0.125/GB 與 USD$0.093/GB。這兩種都是隨時可以存取的服務。 而 Amazon Glacier 則是提供超低的價錢與超高的可靠度:USD$0.01/GB 與一年 99.999999999%,而這是靠取回檔案的時間換來的。取回檔案需要排 3.5 到 4.5 小時的時間 (後面傳輸的時間另外計算): Retrieving archives from Amazon Glacier requires … Continue reading
AWS CloudFront 爆炸…
發現連到 AWS 首頁出現破圖,結果發現 CloudFront 的 DNS 爆炸,不管是從 HiNet 或是從 Linode 東京查都查不到: 在 AWS Developer Forums 上面也開始有人問了: CloudFront Download sometims very slow 晚點應該會有說明吧…
Zend Framework 1.12 系列…
本來以為 Zend Framework 1 只會出到 1.11 (以前有說過嗎?),結果剛剛發現 1.12.0rc3,這真是太驚人了 XDDD 這樣看起來 Zend Framework 1.11 與 PHP 5.4 之間的問題就有解了…
Posted in Computer, Murmuring, Network, Programming, Software, WWW
Tagged framework, php, zend
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