76 End-to-End e-business Transaction Management Made Easy
primary key, EJB type (stateful, stateless, and entity), and so on. JDBC Metric
Data includes SQL statement, remote database host, and so on.
JITI probes make ARM calls and generates correlators in order to allow
subtransactions to be correlated with their parent transactions.
The primary or root transaction is the transaction that has no parent correlator
and indicates the first contact of the transaction with TMTP. Each transaction
monitored with TMTP gets its own correlator, as does each subtransaction.
When a subtransaction is started, ARM can link it with its parent transaction
based on the correlators and so on down the tree. With the correlator
information, ARM can build the ca ...