October 2016
Intermediate to advanced
656 pages
13h 42m
English
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Finding slow database transactions
The transaction log shows an aggregated performance metric for how long the database is involved. So, how will you know whether the database is struggling for a particular query or whether your reports and lists have inappropriate filters? The Slow Query log gives you valuable insight into how the platform is used. You can access it by navigating to System Diagnostics > Stats > Slow Queries.
The instance uses a concept of total execution time. This is calculated by adding together all the execution times of similar individual transactions. Two transactions are considered similar if their SQL queries are the same, except for the values of the WHERE clause.
Note
As a very simple example, these queries are considered ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.