ソーシャルゲームスケールアウトの歴史PostgreSQLの行レベルセキュリティと SpringAOPでマルチテナントの ユーザー間情報漏洩を防止する (JJUG CCC 2021 Spring)
Successful MySQL Scalability Presentation
Successful MySQL Scalability Presentation Ronald Bradford September 17, 2010 Last night I was the invited guest at the SF MySQL Meetup . In my presentation “Successful MySQL Scalability” I talked about a set of principles to ensure appropriate system architecture, data availability and best practices to build an ideal solution for your business. The presentation was also live streamed and is avail
MySQL Conference Impressions and Slides
Creating robust applications using open source databases and commodity hardware "Interesting" was probably the most overused word at the MySQL Conference that just ended yesterday. Everyone is waiting to find out more about the Oracle acquisition of Sun. As a community we need to find some synonyms or things will become very tiresome. Personally I vote for intriguing. Here are slides for my presen
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CodeZine：DeNAの人気サイトに学ぶ LAMPによるWeb-DBシステム構築/運用の極意（前編）（モバオク, モバゲー）
シングルマスタの非同期レプリケーション機能では、マスタサーバーが1台に限定され、マスタからスレーブへの複製は非同期で行なわれるため遅延が生じ、短時間のスケールで見ると全スレーブとの同期が保証されない。しかし、その反面スレーブの台数を増加させていってもマスタサーバーの更新負荷は大きくならず、スケーラビリティを維持できるという利点がある。DeNAによる運用実績でも、マスタとスレーブ間の遅延は通常数秒程度以内に収まる。 このレプリケーションを利用する場合、アプリケーション側ではデータ更新時にはマスタサーバーへ接続し、データ参照のみを行なう場合はスレーブサーバーへ接続するように作成する必要がある。 Webや携帯電話向けサービスの場合、小さな規模で始めてユーザー規模、データ規模、ページビュー数を徐々に増加させていくことが多い。小さな規模のためDBの負荷分散が不要な場合でも、マスタサーバー1台、スレー
MySQL scalability on Linux with sysbench
A recent post at http://jeffr-tech.livejournal.com/6268.html#cutid1 pointed to a possible Linux scalability problem when compared to FreeBSD. Setup 4 core PowerPC64 system Debian unstable (MySQL 5.0.32-Debian_7) Linux 2.6.21-rc3 Baseline A baseline was taken to verify this setup sees the same scalability issue: We see a problem when the number of benchmark threads exceeds the number of cores in th
MySQL Deployment Presentations
Posted in scalability, mysql Fri, 06 Oct 2006 03:07:00 GMT I just ran across the MySQL Web 2.0 page which lists a number of their users including the following: The most interesting thing from that page, however, is links to various presentations given by those sites on how they architected their sites to scale with MySQL, some of them scaling up to hundreds of MySQL servers. I've included a list
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