Trace Presto Server stack trace

presto_trace.sh

#!/usr/bin/env bash

set -euo pipefail

ticks_to_collect=${1:-120}
presto_pids=$(sudo ps aux | grep PrestoServer | grep -v grep | awk '{ print $2 }')

for i in $(seq $ticks_to_collect); do
    for presto_pid in $presto_pids; do
        sudo kill -3 $presto_pid
    done
    echo -en "\rCollected tick $i out of $ticks_to_collect"
    sleep 1
done

echo "All the stack traces are collected in launcher.log"