Diameter Signaling Router (DSR): GUI Slow Or Inaccessible; 31215 Process Resources Exceeded System.RAM_UtilPct, comcol and 31122 System.GenMem_UtilPct, comcol Alarms
(Doc ID 2720154.1)
Last updated on FEBRUARY 11, 2022
Applies to:
Oracle Communications Diameter Signaling Router (DSR) - Version DSR 8.2.0 and later Information in this document applies to any platform.
Symptoms
The DSR Network- and/or Site- Operation, Administration, and Maintenance (NOAM or SOAM) Graphical User Interface (GUI) is failing to connect or extremely slow
31215 ProcWatch | Process Resources Exceeded | System.RAM_UtilPct, comcol alarms raised against the OAM server
31122 ProcWatch | Excessive Shared Memory Early Warning | System.GenMem_UtilPct, comcol alarms raised against the OAM server
31116 ProcWatch | Excessive Shared Memory | System.ShMem_UtilPct, comcol alarms raised against the OAM server
31003 dsroam | DSROAM_Proc | Thread watchdog timed out | Thread Watchdog Failure alarms raised against the OAM server
31002 procmgr | DSROAM_Proc | Process watchdog timed out | Process Watchdog Failure alarms raised against the OAM server
dsroam process will abnormally terminate (abterm)
Number of user sessions is modest (often 6 or fewer), however...
Process snapshot at the kernel will show hundreds of httpd processes active ( ps -eaf | grep -i httpd | wc -l )
Socket statistics will show hundreds of https connections active (/usr/sbin/ss -oxantupe | egrep ":443" | wc -l )
On OAM server, /var/TKLC/appw/logs/Process/error_log contains entries indicating
Changes
One or more new GUI users have been added to the user community and have begun access.
Existing users may be accessing the DSR GUI from new platforms.
Changes may have occurred on existing users' client platforms (e.g. software updates)
Cause
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