HOWTO : Understand Why JDBC Autocommit OFF Performs Slower Than Autocommit ON
Last updated on SEPTEMBER 22, 2016
Applies to:TimesTen Data Server - Version 22.214.171.124.0 to 126.96.36.199.0 [Release 7.0]
Information in this document applies to any platform.
When inserting many rows (typically 10,000 and more) in a table using a JDBC program, if we use setAutoCommit(false) of Connection object, it takes more time than the time it takes for setAutoCommit(true). This can be verified with a simple JDBC program.
In a test environment when we set autocommit ON by the Java statement
Insertion of rows took approximately 3 minutes 39 seconds.
When we set autocommit OFF by the Java statement
and if we commit at the end of the program, insertion of same number of rows took approximately 25 minutes 48 seconds.
This can be observed only when we enable Logging. This can not be observed when we disable Logging.
20000: Use of a deprecated feature: Logging=0
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