The Database Administrator is dead(thenextweb.com)

    1) Acquire a query cache lock & see if this query is there
    2) Run the query through the optimizer
      2a) Perform multiple shallow dives into a table to look at the cardinality of the filtered columns
      2b) Identify the best indexes based on the shallow dives
      2c) Create a query plan
    3) Push the query plan down into InnoDB
    4) Load the index into memory, if its not already there
    5) Load the potential rows into memory, if they are not already there
      5a) If there's not enough memory, load a few into memory, and be ready to push those rows out of memory in favor of more rows when needed
      5b) Load rows that are still in the insert tree but not yet part of the regular buffer pool or pages on disk
    6) Loop through the candidate rows for matches to the filter
    7) Return the data to MySQL
    8) Acquire the query cache lock & update it
    9) Return the data to the client