Decode JWT claims troubleshooting
Decode payload to inspect exp/iss/aud; note: fixes base64url, skips sig check
cut -d. -f2 <<<"$JWT" | tr '_-' '/+' | base64 -d 2>/dev/null | jq .
more troubleshooting
all 32 commands →
List gRPC services via reflection
grpcurl -plaintext <host>:<port> list; grpcurl -plaintext <host>:<port> describe <svc>
Per-thread CPU breakdown
pidstat -t -p <pid> 1
Hot thread live view
top -H -p <pid>
Per-core CPU saturation
mpstat -P ALL 1
Run-queue vs cores
vmstat 1 5 | awk 'NR>2{print "runq="$1" blocked="$2}'; nproc