The Slow Query Log Is Written As. Therefore all we can to is logging queries that. It may work great from his local MacBookPro inside a 10 dollar skinny soy latte artisan coffee.
The mysqldumpslow utility can also be used to summarize the contents of the same. The execution time measured for the query is the real-time wall clock time it takes to execute the query. However I know that Opster has an excellent article about analyzing slow logs.
By default the slow query log file name is host_name-slowlog.
As an engineer slow query logs matter because when the application is non-responsive the slow logs tell me if a slow query is the culprit for slowing down the application. The slow query log consists of SQL statements that take more than long_query_time seconds to execute and require at least min_examined_row_limit rows to be examined. By default all logs are disabled or written into files. On MySQL 50 didnt allow to log all the queries.