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[action] [PR:25874] Fix rsyslogd memory growth in syncd swss containers over long term #26298

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Merged
mssonicbld merged 1 commit into from
Mar 21, 2026
Merged

[action] [PR:25874] Fix rsyslogd memory growth in syncd swss containers over long term #26298

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4 changes: 3 additions & 1 deletion files/scripts/swss.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -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}
}

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4 changes: 3 additions & 1 deletion files/scripts/syncd_common.sh
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Expand Up @@ -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}
}

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3 changes: 2 additions & 1 deletion platform/mellanox/docker-syncd-mlnx/phcsync.sh
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Expand Up @@ -82,7 +82,8 @@ 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
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