How and why I built Japan Dev
In 2014, I began my search for a software engineering job in Tokyo. But I didn't want just any old job. I wanted one that was — for lack of a better term — actually good. Because I'd heard some scary stuff about Japan's tech industry. Tales of overwork. Low wages. The dreaded Japanese "black company". But despite all those stories, I believed there were good tech companies out there too. So I set
はてなブログのキャッシュ周りをきちんと改善したら、アプリケーションサーバの台数を半分にできた話 - Hatena Developer Blog
はてなブログでSREをやっているid:cohalzです。 2019年12月頃からid:utgwkkやid:onkとともに、はてなブログにおけるキャッシュ周りの改善を行いました。その結果、次のような成果が得られました。 ブログ記事のキャッシュヒット率が、1日平均で8％から58％に向上 アプリケーションサーバの台数を、以前の半数以下に削減 DBに届くリクエスト数が、以前の3分の2まで減少 レスポンスタイムの平均が、以前の8割まで減少 この記事では、実際にどういった改善を行ったのか、その際に気をつけたことや大変だったことを紹介します。 はてなブログがVarnishを導入した経緯と課題 開発合宿をきっかけに問題が明らかになる 進め方をまず考える ホストのメモリをできるだけたくさん利用する メモリを積んだホストでなぜかレイテンシが悪化 キャッシュが分散しないようVaryヘッダを使う デバイス情報を適
The day I accidentally built a nudity/porn platform
I didn’t know that my next project will turn into a nudity platform and a home for spammers. But it did happen while I wasn’t paying attention. And here are the details. For the next 5/10 years, I’ve decided that my mission will be: “Can a Moroccan build an online business and make a living from Morocco?“. I currently launch multiple projects and give them some time to take off. My blog remote.ma,
How Chinese Tinder clone screws you • Larry Salibra
Update: Tantan CEO and Co-founder Yu Wang reached out to me via email to acknowledge these issues. Read his email and my response. TL;DR: Chinese Tinder clone Tantan is endangering young women and men by failing to use encryption and exposing private data like that made public in the Ashley Madison hack. It’s no surprise that dating apps like Tinder that open up new ways to reduce risks of dating
Facelette: On TechCrunch in Three Hours and $0
Yesterday, Apple announced FaceTime for Mac. A couple hours later, I launched Facelette, which is basically like Chat Roulette for FaceTime. Post your FaceTime ID, we’ll hook you up with a stranger, and you eagerly FaceTime with them. Response has been great. I’m writing this about half a day after launch, and my original tweet has been retweeted 125 times, I made TechCrunch in three hours post-la
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