Status Variables

Status variables that provide information about the Twitter MySQL server operation.

Variable Name	Variable Type	Variable Scope
Max_statement_time_exceeded	Numeric	Session, Global
Max_statement_time_set	Numeric	Session, Global
Max_statement_time_set_failed	Numeric	Session, Global
Com_insert_noop	Numeric	Session, Global
Rows_sent	Numeric	Session, Global
Rows_examined	Numeric	Session, Global
Thread_running_max	Numeric	Session, Global
Read_queries	Numeric	Session, Global
Write_queries	Numeric	Session, Global
Total_queries_rejected	Numeric	Session, Global
Write_queries_rejected	Numeric	Session, Global
Write_queries_running	Numeric	Session, Global

• Max_statement_time_exceeded

  Number of statements that exceeded the maximum execution time.

• Max_statement_time_set

  Number of statements that were time-limited.

• Max_statement_time_set_failed

  Number of failed attempts to set the maximum execution time.

• Com_insert_noop

  Number of insert/upsert statements that does not insert or update any row.

• Rows_sent

  Number of rows sent back to clients.

• Rows_examined

  Number of rows examined by MySQL before sent back to clients.

• Thread_running_max

  Max number of running threads since last execution of SHOW STATUS.

• Read_queries

  Number of read queries executed.

• Write_queries

  Number of write queries executed.

• Total_queries_rejected

  Number of total queries that have been rejected due to throttling.

• Write_queries_rejected

  Number of total write queries that have been rejected due to throttling.

• Write_queries_running

  Number of write queries that are currently executing.