When you select the Threads folder in the left pane, the Detail tab displays thread information in the right pane. You can click one of the headers—Thread ID, Type, State, and Description—to sort information in ascending order, and click the header again to sort in descending order. In addition, the following tabs filter information by thread type and provide additional information:
DIST – displays information about distributor threads
DSI – displays information about DSI threads
RSI – displays information about RSI threads
SQM – displays information about SQM threads
SQT – displays information about SQT threads
See the Replication Server Administration Guide for more information about Replication Server threads.