Manual Investigation: The Hidden Bottleneck in Incident Response
As engineers, we're no strangers to dealing with unexpected issues. But have you ever stopped to think about how much time and effort is wasted on manual investigation? In this post, we'll dive into the world of AI-powered incident response and explore ways to automate the tedious task of manual investigation.
The Problem: Manual Investigation
When a critical issue arises (P1 fires), coding stops. An engineer gets pulled in, spends 30-60 minutes hunting through logs, tracing requests across multiple systems, and cross-referencing deployment history before they can even form a hypothesis about what broke. This process is not only time-consuming but also frustrating.
The Math Behind Manual Investigation
Let's do some rough math to put this into perspective:
- A team handling 50 incidents per month at 4-8 hours of resolve time each is looking at 200-400 engineering hours lost.
- That's a full month of a senior engineer's capacity dedicated entirely to looking backward.
Automating Manual Investigation with AI
It's clear that manual investigation can be a significant bottleneck in incident response. Fortunately, AI and machine learning (ML) can help alleviate this issue. Here are some ways AI can assist:
Log Analysis
AI-powered log analysis tools can automatically parse logs from various sources, identifying patterns and anomalies. This enables engineers to quickly spot issues without manually digging through logs.
Example: Log Parsing with Python
import re
# Load log data
logs = ...
# Define a regular expression pattern for errors
error_pattern = r"ERROR: (.*)"
# Parse logs using the error pattern
errors = [match.group(1) for match in re.finditer(error_pattern, logs)]
print(errors)
Request Tracing
AI-powered request tracing tools can automatically follow requests across multiple systems, making it easier to identify the root cause of issues.
Example: Request Tracing with Node.js
const express = require('express');
const axios = require('axios');
// Set up a function to send requests and track responses
function sendRequest(url) {
return axios.get(url)
.then(response => response.data)
.catch(error => error);
}
// Example request tracing flow
sendRequest('http://example.com/api/endpoint1')
.then(data => sendRequest(`http://example.com/api/endpoint2?data=${data}`))
.then(data => console.log(data));
Deployment History Analysis
AI-powered deployment history analysis tools can automatically review deployment records, identifying changes that may have contributed to issues.
Example: Deployment History Analysis with Bash
#!/bin/bash
# Load deployment data
deployments = ...
# Define a function to analyze deployment history
analyze_deployment_history() {
for deployment in deployments; do
if [ "$deployment" == " deployment-that-caused-issue" ]; then
echo "Deployment $deployment caused issues!"
fi
done
}
# Run the analysis
analyze_deployment_history
Hypothesis Generation
AI-powered hypothesis generation tools can automatically propose potential causes of issues based on historical data and system interactions.
Example: Hypothesis Generation with R
library(dplyr)
library(caret)
# Load incident data
incidents = ...
# Define a function to generate hypotheses
generate_hypotheses() {
for (incident in incidents) {
if ([ "$incident" == "incident-that-caused-issue" ]; then
echo("Potential cause: $possible_cause")
fi
}
}
# Run the hypothesis generation
generate_hypotheses()
Best Practices
When implementing AI-powered incident response, keep these best practices in mind:
- Train models on historical data: Train your AI models on a dataset of past incidents to ensure they can accurately identify patterns and anomalies.
- Integrate with existing tools: Integrate your AI-powered incident response system with your existing monitoring and logging tools for seamless integration.
- Monitor model performance: Continuously monitor the performance of your AI models and adjust as needed.
Conclusion
Manual investigation is a hidden bottleneck in incident response that can waste significant engineering hours. By leveraging AI and machine learning, we can automate this process and improve our overall incident response efficiency. Remember to train your models on historical data, integrate with existing tools, and continuously monitor model performance for the best results.
By Malik Abualzait

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