原文:How to collect and analyze traces using ST12 (single transaction analysis)

Symptom You wish to analyze the performance of a particular transaction report job and would like to use transaction ST also known as Single Transaction Analysis . Image data in this KBA is from SAP ...

2020-08-07 01:18 0 1188 推荐指数:

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Cohort Analysis Using Python

Cohort Analysis是将某一个时期内的用户划分为一个cohort,并将多个cohort进行时间上的某个属性的比较的一种分析方法。Cohort Analysis在有些场景下非常有用。比如一个网站或App,在某个连续的4周里陆续更新或新增了一个功能或设计,想要知道这些功能和设计上的改动对用户 ...

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mysqldump命令之single-transaction

=========================================================在mysqldump中指定single-transaction时,会使用可重复读(REPEATABLE READ)事务隔离级别来保证整个dump过程中数据一致性,该选项仅对InnoDB ...

Wed Mar 06 23:24:00 CST 2019 0 2500
mysqldump --master-data=2 --single-transaction

转载于https://blog.csdn.net/linuxheik/article/details/714808821 mysqldump导出数据主要有两种控制:一种是导出的全过程都加锁 lock- ...

Fri Nov 02 22:40:00 CST 2018 0 2623
 
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