September 2011
Intermediate to advanced
528 pages
19h 57m
English
Migrating JTA services is critical when a server fails because transactions may be holding locks on resources, and this adversely affects the performance of your applications. You can migrate a JTA service manually or configure automatic migration. Automatic migration of JTA services will migrate the Transaction Recovery Service (TRS) to a backup server by choosing one from the configured candidate servers. The backup server releases its lease on the TRS once it completes transaction recovery for the failed server. If the backup server itself fails before completing the transaction recovery, its lease expires. In this case, you must manually migrate the TRS to an alternative backup server for the configured ...
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