# Start With Sql Slow Query (A)

+ Concerned about the operation of SQL statements in the cluster:
  + Is there a deviation in the SQL statement execution plan
  + Wait time for each stage of SQL statement in slow log

------------------------------------------------------------
Having a clear overview of the entire cluster, let's start with Slowlog to see how SQL is currently running in the cluster:
- Are there any deviations in the SQL execution plan
- Wait time for each SQL stage in Slowlog