What does the query 'show innodb status' in MySQL mean?

What does the query show innod开发者_StackOverflow社区b status return?

From Show innodb status walkthrough

SHOW INNODB STATUS is command which prints out a lot of internal Innodb performance counters, statistics, information about transaction processing and all kinds of other things. In MySQL 5 number of Innodb performance counters were exported and now available in SHOW STATUS output. Most of them are same as you previously could find in SHOW INNODB STATUS, there are however few which were not available before ...