Fix rsyslogd memory growth in syncd swss containers

Signed-off-by: Hemanth Kumar Tirupati <[email protected]>

Author: tirupatihemanth

files/scripts/swss.sh

@@ -14,7 +14,9 @@ TSA_TSB_SERVICE="startup_tsa_tsb.service"
 
 function debug()
 {
-    /usr/bin/logger $1
+    # Use --id=$$ so all messages from this script share the parent shell's PID,
+    # preventing rsyslog imuxsock ratelimiter memory growth.
+    /usr/bin/logger --id=$$ -- "$1"
     /bin/echo `date` "- $1" >> ${DEBUGLOG}
 }
 

files/scripts/syncd_common.sh

@@ -15,7 +15,9 @@
 
 function debug()
 {
-    /usr/bin/logger $1
+    # Use --id=$$ so all messages from this script share the parent shell's PID,
+    # preventing rsyslog imuxsock ratelimiter memory growth.
+    /usr/bin/logger --id=$$ -- "$1"
     /bin/echo `date` "- $1" >> ${DEBUGLOG}
 }
 

platform/mellanox/docker-syncd-mlnx/phcsync.sh

@@ -60,7 +60,8 @@ while :; do
 
         if [[ "$clock_name" != "mlx5_ptp" ]]; then
             # set CLOCK_REALTIME
-            "$PHC_CTL" "$dev" set 2>/dev/null
+            # Keep successful syncs silent to avoid rsyslogd ratelimit memory issue due to PID churn.
+            "$PHC_CTL" -q -Q "$dev" set >/dev/null
             PHC_CTL_EXIT_CODE=$?
             if [[ $PHC_CTL_EXIT_CODE -ne 0 ]]; then
                 echo "Error: Failed to sync clock for $dev (phc_ctl exit code: $PHC_CTL_EXIT_CODE)" >&2