HSCALE - Handling 200 Million Transactions Per Month Using Transparent Partitioning With MySQLÂ Proxy - High Scalability -
« Hitting 300 SimbleDB Requests Per Second on a Small EC2 Instance | Main | Put the web server on a diet and increase scalability » Update 2: A HSCALE benchmark finds HSCALE "adds a maximum overhead of about 0.24 ms per query (against a partitioned table)." Future releases promise much improved results. Update: A new presentation at An Introduction to HSCALE. After writing Skype Plans for PostgreS
Difference between global maxconn and server maxconn haproxy
I have a question about my haproxy config: #--------------------------------------------------------------------- # Global settings #--------------------------------------------------------------------- global log 127.0.0.1 syslog emerg maxconn 4000 quiet user haproxy group haproxy daemon #--------------------------------------------------------------------- # common defaults that all the 'listen'
HDFSã®ã‚¤ãƒ¬ã‚¤ã‚¸ãƒ£ãƒ¼ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚° (Erasure Coding)
2017/5/19追記: Clouderaã®HDFS Erasure Codingã®ãƒ–ãƒã‚°ç¿»è¨³ã—ã¾ã—㟠-> Apache Hadoopã®HDFS Erasure Codingã®ç´¹ä»‹ 以å‰ç´¹ä»‹ã—ãŸHDFSã®ã‚¤ãƒ¬ã‚¤ã‚¸ãƒ£ãƒ¼ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã€ŒHDFSãŒå¤‰ã‚る？HDFSã®ã‚¤ãƒ¬ã‚¤ã‚¸ãƒ£ãƒ¼ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°å¯¾å¿œã€ã«ã¤ã„ã¦è©³ã—ã書ã‹ã‚ŒãŸãƒ–ãƒã‚°ãŒClouderaã‹ã‚‰å…¬é–‹ã•ã‚Œã¾ã—ãŸã€‚Hadoop 3.0をターゲットã«ã—ã¦é–‹ç™ºã•ã‚Œã¦ã„るよã†ã§ã™ã€‚ http://blog.cloudera.com/blog/2015/09/introduction-to-hdfs-erasure-coding-in-apache-hadoop/ 背景ã‹ã‚‰è¨è¨ˆã®æ–¹é‡ã€è©•ä¾¡ã¾ã§å¹…広ãã‹ãªã‚Šè©³ã—ã網羅ã•ã‚Œã¦ãŠã‚Šèªã¿å¿œãˆãŒã‚ã‚Šã¾ã™ã€‚ã—ã‹ã—ã€æ—¥æœ¬èªžè¨³ãŒå‡ºã‚‹ã‹ã‚ã‹ã‚‰ãªã„ã®ã§ã€è‡ªåˆ†ç”¨ã«ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚é–“é•ã„を発見ã—ãŸã‚‰ã”指摘下ã•ã„。 ※Erasure
Introduction to AMQP Messaging with RabbitMQ
This document introduces AMQP messaging using RabbitMQ as a broker. It explains that AMQP and RabbitMQ allow applications to communicate asynchronously by sending and receiving messages through a broker, providing decoupling, queueing, load balancing and scalability. It provides details on RabbitMQ as an open source AMQP broker developed by Rabbit Technologies and the AMQP Working Group which main
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The 5 Minute MySQL DBA
Application-Layer DDoS Attack Protection With HAProxy
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