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## • slow_launch_time 

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If creating a thread takes longer than this many seconds, the server increments the Slow_launch_threads  status variable. 

## • slow_query_log 

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Whether the slow query log is enabled. The value can be 0 (or OFF ) to disable the log or 1 (or ON ) to enable the log. The destination for log output is controlled by the log_output  system variable; if that value is NONE , no log entries are written even if the log is enabled. 

“Slow”  is determined by the value of the long_query_time  variable. See Section 5.4.5, “The Slow Query Log” . 

## • slow_query_log_file 

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The name of the slow query log file. The default value is host_name -slow.log , but the initial value can be changed with the --slow_query_log_file  option. 

## • socket 

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