What are locks in the context of MySQL transactions

Apr 8, 2019 ... Learned something new today about MySQL transaction isolation levels, and adding the `READ UNCOMMITTED` to querying views that take a long time to load. Jan 19, 2009 ... In this post I'll look at another Rails innovation that can be applied equally well to unit testing with Drupal: running each unit test in a separate database ... Apr 11, 2025 ... The most common and efficient way is to use the slow query logs. You need to determine first if your slow query logs are enabled. Sep 13, 2024 ... This post will introduce the transaction lock system in InnoDB, specifically how InnoDB handles row-level locking in transactions. SQL query to run. Multiple queries can be passed using YAML list syntax. Must be a string or YAML list containing strings. If you use named_args or ... Jul 17, 2020 ... A modern disk can do ~1000 fsyncs per second, but MySQL will group multiple writes with each fsync. An okay rule-of-thumb would be 5000-15,000 ... Jun 18, 2019 ... Hey, I'm quite new to MySQL and to serverless so I was wondering if you could help me out on a transaction I'm trying to perform using this ... Additionally, this guide also includes instructions to and configure the New Relic MySQL integration for query-level insights. For more information, refer Query ... Jul 6, 2017 ... MySQL, transaction, and alot of records · Innodb works better when the table has a primary key. · Innodb primary keys work best if the value is ... Backup and transaction log retention values can be changed from the default setting. Learn more. Final backups. Final backups allow you to take a backup of your ...