Due to the large size of their deployment, Global Telco takes the following steps to increase the performance of Identity Synchronization for Windows.
Identity Synchronization for Windows components are distributed across two dedicated machines.
The log level is set to INFO except when diagnosing transient problems.
The Message Queue Broker's memory limits are increased (see Sun Java System Directory Server Enterprise Edition 6.3 5 Installation Guide for more information).
The default number of worker threads in the connectors is increased.
The idsync resync command is run over batches of users to reduce the peak load on Message Queue.
Each of these items is discussed in detail in the next section.