snapshot of https://github.com/jitsi/jitsi-videobridge.git @ fcbf741c646bc237d2ed85a1e86910532532b831 (2026-09-15)

resources/collect-dump-logs.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+# script that creates an archive in current folder
+# containing the heap and thread dump and the current log file
+
+JVB_HEAPDUMP_PATH="/tmp/java_*.hprof"
+STAMP=`date +%Y-%m-%d-%H%M`
+PID_PATH="/var/run/jitsi-videobridge.pid"
+JVB_UID=`id -u jvb`
+
+RUNNING=""
+unset PID
+
+# for systemd we use different pid file
+if [ ! -f $PID_PATH ]; then
+    PID_PATH="/var/run/jitsi-videobridge/jitsi-videobridge.pid"
+fi
+
+[ -e $PID_PATH ] && PID=$(cat $PID_PATH)
+if [ ! -z $PID ]; then
+   ps -p $PID | grep -q java
+   [ $? -eq 0 ] && RUNNING="true"
+fi
+
+#Find any crashes in /var/crash from our user in the past 20 minutes, if they exist
+CRASH_FILES=$(find /var/crash -name '*.crash' -uid $JVB_UID -mmin -20 -type f)
+
+if [ ! -z $RUNNING ]; then
+    echo "Jvb at pid $PID"
+    THREADS_FILE="/tmp/stack-${STAMP}-${PID}.threads"
+    HEAP_FILE="/tmp/heap-${STAMP}-${PID}.bin"
+
+    # If the JVB has crashed (with OOM, for example), the JVM might be
+    # configured to take a heap dump. This is configured with the HeapDumpPath
+    # VM option. The HeapDumpPath is a manageable VM option and the default
+    # path format is java_pidXXXX.hprof.
+    #
+    # During the time the JVM is taking a heap dump, the process will appear
+    # running, but the JVM won't allow us to connect to it and take a
+    # heap/thread dump.  Briefly, we want to make sure we grab the java heap
+    # dump, even if the process appears to be running.
+
+    HEAPDUMP_FILE="/tmp/java_pid${PID}.hprof"
+
+    # Wait for the JVM to finish writing the heapdump.
+    while lsof ${HEAPDUMP_FILE}; do sleep 1; done
+
+    sudo jstack ${PID} > ${THREADS_FILE}
+    sudo jmap -dump:live,format=b,file=${HEAP_FILE} ${PID}
+
+    tar zcvf jvb-dumps-${STAMP}-${PID}.tgz ${THREADS_FILE} ${HEAP_FILE} ${HEAPDUMP_FILE} ${CRASH_FILES} /var/log/jitsi/jvb.log /tmp/hs_err_*
+    rm ${HEAP_FILE} ${THREADS_FILE}
+else
+    ls $JVB_HEAPDUMP_PATH >/dev/null 2>&1
+    if [ $? -eq 0 ]; then
+        echo "JVB not running, but previous heap dump found."
+        tar zcvf jvb-dumps-${STAMP}-crash.tgz $JVB_HEAPDUMP_PATH ${CRASH_FILES} /var/log/jitsi/jvb.log /tmp/hs_err_*
+        rm ${JVB_HEAPDUMP_PATH}
+    else
+        tar zcvf jvb-dumps-${STAMP}-crash.tgz /var/log/jitsi/jvb.log ${CRASH_FILES} /tmp/hs_err_*
+        echo "JVB not running, previous heap dump not found. Archiving logs only."
+    fi
+fi