Concurrency erro when deleteing or updating multiple primary key fields dating after breakup long

You can safely turn cache flushing off if your transactions do not re-query modified data—a common scenario—and get the best performance.Note: In releases prior to Web Logic Server 8.1, the default for in Web Logic Server 8.1.

concurrency erro when deleteing or updating multiple primary key fields-7

An attempt to obtain an entity bean instance from the free pool will always succeed, even if the pool is empty.

If the pool is empty, a new bean instance is be created and returned.

Application-level caching offers the following advantages: the best choice, however, for applications that experience high throughput.

Because one thread of control exists per cache at a time, high throughput can create a bottleneck situation as tasks compete for control of the thread.

The instance identity associated with a reference does not change during the lifetime of the reference.

Last modified 03-Jun-2020 21:35