How Twitter Stores 250 Million Tweets a Day Using MySQL - High Scalability -
Jeremy Cole, a DBA Team Lead/Database Architect at Twitter, gave a really good talk at the O'Reilly MySQL conference: Big and Small Data at @Twitter, where the topic was thinking of Twitter from the data perspective. One of the interesting stories he told was of the transition from Twitter's old way of storing tweets using temporal sharding, to a more distributed approach using a new tweet store c
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MySQL Conference 2011 -- The Secret Sauce of Sharding -- Ryan Thiessen
This document discusses sharding strategies at Facebook. It describes Facebook's "universal database" approach which shards MySQL databases across multiple instances per physical host and groups related objects together. It also covers shard management, hashing techniques, re-sharding processes, and operational implications of sharding such as increased monitoring challenges and harder schema chan
Spock Proxy
What is Spock Proxy? Spock Proxy supports range-based horizontal paritioning of a large MySQL database. The proxy intercepts SQL queries from the client, sends queries to the correct databases based on how the database is partitioned, then aggregates the results from each database and returns them to the client as a regular MySQL result set. Design Goal Spock Proxy's original mandate was to horizo
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