A new update is available for SAS Grid Manager , version 9.4_M3 :
The SAS® Object Spawner incorrectly keeps ports to mbatchd processes in a CLOSE-WAIT state indefinitely
A Hadoop grid job stops responding and no error messages occur
Note: A comprehensive list of all SAS hot fixes is available from support.sas.com. You can use the SAS Hot Fix Analysis, Download, and Deployment (SASHFADD) tool to manage your SAS hot fixes.