[HADOOP-5968] Sqoop should only print a warning about mysql import speed once

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.21.0
• Hadoop Flags: Reviewed
• Assignee: Aaron Kimball
• Reporter: Aaron Kimball
• Created: 04/Jun/09 01:05
• Updated: 24/Aug/10 20:38
• Resolved: 23/Jun/09 19:57

Description

After HADOOP-5844, Sqoop can use mysqldump as an alternative to JDBC for importing from MySQL. If you use the JDBC mechanism, it prints a warning if you could have enabled the mysqldump path instead. But the warning is printed multiple times (every time the LocalMySQLManager is instantiated), and also when the MySQL manager is used for informational queries (e.g., listing tables) rather than true imports.

It should only emit the warning once per session, and only then if it's actually doing an import.