new script

query-jitter.sh

@@ -0,0 +1,93 @@
+#!/bin/bash
+
+# Script to measure query jitter for a node endpoint
+# Usage: query-jitter.sh <node-path> [host]
+# Example: query-jitter.sh arb/nitro/everclear-mainnet-nitro-archive-leveldb-hash
+# Example: query-jitter.sh arb/nitro/everclear-mainnet-nitro-archive-leveldb-hash 192.168.1.100
+
+if [ -z "$1" ]; then
+    echo "Usage: $0 <node-path> [host]"
+    echo "Example: $0 arb/nitro/everclear-mainnet-nitro-archive-leveldb-hash"
+    echo "Example: $0 arb/nitro/everclear-mainnet-nitro-archive-leveldb-hash 192.168.1.100"
+    exit 1
+fi
+
+BASEPATH="$(dirname "$0")"
+NODE_PATH="$1"
+HOST="$2"
+
+# Source .env file if it exists
+if [ -f "$BASEPATH/.env" ]; then
+    source "$BASEPATH/.env"
+fi
+
+# Determine protocol and domain
+if [ -n "$NO_SSL" ]; then
+    PROTO="http"
+    DOMAIN="${DOMAIN:-0.0.0.0}"
+else
+    PROTO="${PROTO:-https}"
+fi
+
+# If host is provided, replace the first segment of DOMAIN with it
+if [ -n "$HOST" ]; then
+    # Extract the first segment (before first dot) and replace with provided host
+    if [[ "$DOMAIN" =~ ^([^.]+)\.(.*)$ ]]; then
+        DOMAIN="${HOST}.${BASH_REMATCH[2]}"
+    else
+        # If no dots, just use the host
+        DOMAIN="$HOST"
+    fi
+fi
+
+# Check if compose file exists
+COMPOSE_FILE="$BASEPATH/$NODE_PATH.yml"
+if [ ! -f "$COMPOSE_FILE" ]; then
+    echo "Error: Compose file not found: $COMPOSE_FILE"
+    exit 1
+fi
+
+# Extract path from compose file (same logic as latest.sh)
+pathlist=$(cat "$COMPOSE_FILE" | grep -oP "stripprefix\.prefixes.*?/\K[^\"]+")
+
+if [ -z "$pathlist" ]; then
+    echo "Error: Could not extract path from compose file: $COMPOSE_FILE"
+    exit 1
+fi
+
+# Use the first path found
+RPC_PATH=$(echo "$pathlist" | head -n1)
+
+# Build RPC URL
+RPC_URL="${PROTO}://${DOMAIN}/${RPC_PATH}"
+
+echo "Testing endpoint: $RPC_URL"
+echo "Running 1000 requests..."
+echo ""
+
+# Hit the endpoint 1000 times and measure response time distribution
+for i in {1..1000}; do
+    curl -w "%{time_total}\n" -o /dev/null -s "$RPC_URL" \
+        -X POST \
+        -H "Content-Type: application/json" \
+        -d '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}'
+done | awk '{
+    sum+=$1
+    sumsq+=$1*$1
+    if(NR==1||$1<min)min=$1
+    if($1>max)max=$1
+} END {
+    if(NR>0) {
+        avg=sum/NR
+        variance=sumsq/NR-(avg*avg)
+        stddev=sqrt(variance)
+        print "min:", min*1000, "ms"
+        print "avg:", avg*1000, "ms"
+        print "max:", max*1000, "ms"
+        print "stddev:", stddev*1000, "ms"
+        print "count:", NR
+    } else {
+        print "Error: No successful requests"
+    }
+}'
+