Mysql View Slow - argokayak.com

MySQL slow select from a view. Ask Question. I have a lottery system in mysql, this system receives a lot of transaction per second. a lot! I need to check the total amount for each the number before allowing the bet,. but the select from the view is too slow. Please give some approach about this issue. 19/01/2013 · Executing a full select on the view takes 1.5482 seconds, and this time is the same for selecting just a single row. But, executing the select query bypassing the view takes 0.0312 seconds for a full table select. It's the same query, no? Why is the view slow if the select query takes MUCH less time? Any setting I need to tweak in my.ini? Thanks! zcat mysql-slow less. There are a few of them because they have been auto rotated probably by logrotate. If you don't have zcat installed you could run gunzip. I have a view in Sql Server 2008 that when performing just a: SELECT FROM [Table] Will return roughly 40000 rows by 130 columns. Here are 6 runs with client statistics on roughly 7 seconds ave. If I run this query itself not in the view, and add this: AND e.dateexam = '2012-08-13' it runs like lightning, super fast. But if I run the query against the view, for example "SELECT FROM exam_view WHERE dateexam = '2012-08-13' It is so glacially slow that I end up having to kill the query. What is going on, and how can I fix this? Jim.

MySQL has a built-in slow query log. Learn how to speed it up 300 times. How to speed up your MySQL queries 300 times. How to speed up your MySQL queries 300 times. 01 May 2017 Anna Filina Feed. 367. up. Joining from a view to any table hides all indexes except those on the joined to tables. start:disclaimer. I'm not a MySql Server DBA; I know mostly of MSSQL - which is why I need your help. end:disclaimer. I've been asked to check why the MySql server engine is performing poorly - I have not seen nor held the databases involved and would like to know where to start. How can I trace MySQL queries on my Linux server as they happen? For example I'd love to set up some sort of listener, then request a web page and view all of the queries the engine executed, or just view all of the queries being run on a production server. Where can I find the mysql slow log? Ask Question Asked 8 years, 11 months ago. Active 8 years, 2 months ago. Viewed 51k times 24. 4. Just as the title says, where can I see it ? Are there any config options for it like how many ms would determine if a query is slow or not ? mysql slow-log.

10/12/2019 · The MySQL Query Analyzer enables developers and DBAs to quickly improve the performance of their database applications by monitoring query performance. MySQL Query Analyzer lets you accurately pinpoint SQL code that is the root cause of a slow down. Rich graphs that drill down into detailed query. 10/05/2017 · Built on MySQL Enterprise Edition and powered by the Oracle Cloud, Oracle MySQL Cloud Service provides a simple, automated, integrated and enterprise ready MySQL cloud service, enabling organizations to increase business agility and reduce costs.

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