MySQL 死锁日志分析方法
作者:京东物流 张凯引言MySQL 死锁是线上经常遇到的现象,但是死锁分析却并不总是件容易的事情,本文介绍 MySQL 死锁日志的分析方法,帮助研发从日志中快速提取有效信息,从而提高死锁原因分析的效率。死锁介绍触发条件死锁的触发条件包括四个:•互斥•占有且等待•不可抢占用•循环等待如下图所示,两个事务加锁顺序不同导致死锁。发生死锁后只需要破坏发生死锁四个条件中的任意一个条件就可以解除死锁状态。数据
Foreign adversaries proactively interfering in U.S. presidential elections is nothing new.
Related: Targeting falsehoods at US minorities, US veterans
It’s well-documented how Russian intelligence operatives proactively meddled with the U.S. presidential election in 2016 and technologists and regulators have been … (more…)
The post Shared Intel Q&A: Foreign adversaries now using ‘troll factories’ to destroy trust in U.S. elections first appeared on The Last Watchdog.
The post Shared Intel Q&A: Foreign adversaries now using ‘troll factories’ to destroy trust in U.S. elections appeared first on Security Boulevard.