Mysql processlist sleep

Difference between wait and sleep - Stack. Sleep Command in T-SQL ? Without sleep one becames anxious and insomnia can lead to all kinds of serious symptoms. More seriously: sleep state means that MySQL process has done with its query, but the client-side did not yet exit. We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.

Otherwise, you can see only your own threads (that is, threads associated with the MySQL account that you are using). If you have the PROCESS privilege, you can see all threads. How do I kill all the processes in Mysql “show processlist ”? Ask Question Asked years, months ago. Viewed 350k times 116. Because I see a lot of processes there, and the time column shows big values for all of them.

An mysqladmin processlist -v showed a sleep() command in the query. Given the casing of the MySQL sleep command (“SLeeP”), this was obviously done by an sql injection tool of some kind. I could simply kill the MySQL queries and threads and be done with it, but I wanted to be sure this MySQL sleep() attack couldn’t happen again. Defining a variable with or without export. Given two directory trees, how can I find out which files differ?

Has anybody any ideas on why this can be? I cannot find out how to tell what is causing the long sleep period. It made monitoring the queries on MySQL much easier and faster.

This worked out perfectly for me. By Peter Zaitsev Insight for DBAs, MySQL GitHub, LAMP, Production Comments. You can also get this information from the information_schema.

How long is “ too long” for MySQL Connections to sleep ? PROCESSLIST table or the mysqladmin processlist command. Active years, months ago. I asked Sean Finney, the maintainer of the Debian package.

Quoting: i believe it uses nptl. If your connections are persistent (opened via mysql _pconnect) you could lower these numbers to something reasonable like 6(minutes) or even (minute). Or, if your app works just fine, you can leave the default.

Unfortunately, I still see this a lot. DB查詢不夠優化，資料不多不太可能有這問題. MySQL “show status” FAQ: Can you demonstrate how to use the MySQL show status command to show MySQL (and MariaDB) variables and status information, such as the number of open MySQL connections?

Sure, here’s a quick look at some work I did recently to show MySQL open database connections.