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Large log file analysis with LLM agents

Exported on 1/6/2026 at 14:21:38 PST from Cursor (2.3.23)

---

User

I have a problem that I would like to solve using an LLM or agents. The problem is I have a system that has a lot of logs. Log files. I can access those log files through SSH. That is not a problem. What I need to do is analyze the log files—basically analyze the crash logs, exceptions, or things like that. I would like to leverage an LLM to do that analysis and come up with information like what the outcome should be, how many errors there are, and other insights. So what is the best way to do that? Is using an LLM and creating an agent a good option? If so, how do we actually create an agent? I do have access to LLMs—say I have internal access to the OpenAI API. Could you devise a simple solution for how this kind of problem can be efficiently solved, so that this agent can analyze the logs with the help of the LLM? Also, I would like to know how you are planning to handle this analysis if t

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#!/usr/bin/env -S kotlin -Xplugin=/opt/homebrew/opt/kotlin/libexec/lib/kotlin-serialization-compiler-plugin.jar

@file:DependsOn("io.ktor:ktor-server-core-jvm:3.3.1")
@file:DependsOn("io.ktor:ktor-server-jetty-jakarta-jvm:3.3.1")
@file:DependsOn("io.ktor:ktor-server-servlet-jakarta-jvm:3.3.1")
@file:DependsOn("io.ktor:ktor-serialization-kotlinx-json-jvm:3.3.1")
@file:DependsOn("org.jetbrains.kotlinx:kotlinx-serialization-json:1.8.1")
@file:DependsOn("ch.qos.logback:logback-classic:1.5.12")

@file:CompilerOptions("-jvm-target", "21")

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//> using scala 3.7.3
//> using dep com.softwaremill.ox::core:1.0.0

import scala.concurrent.duration.*
import java.time.Instant
import ox.*
import scala.util.boundary
import java.util.ArrayList
import java.util.concurrent.locks.LockSupport

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package org.jetbrains.demo

import io.ktor.server.application.*
import io.ktor.server.engine.*
import io.ktor.server.netty.*
import io.ktor.server.response.*
import io.ktor.server.routing.*

fun main() {
    embeddedServer(Netty, configure = {

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{"resourceSpans":[{"resource":{"attributes":[{"key":"host.arch","value":{"stringValue":"aarch64"}},{"key":"os.type","value":{"stringValue":"Mac OS X"}},{"key":"os.version","value":{"stringValue":"15.5"}},{"key":"service.instance.id","value":{"stringValue":"ab814328-7f99-4a93-a3a0-0eec9f60dc47"}},{"key":"service.name","value":{"stringValue":"Amper"}},{"key":"service.namespace","value":{"stringValue":"org.jetbrains.amper"}},{"key":"service.version","value":{"stringValue":"0.8.0-dev-3078"}},{"key":"telemetry.sdk.language","value":{"stringValue":"java"}},{"key":"telemetry.sdk.name","value":{"stringValue":"opentelemetry"}},{"key":"telemetry.sdk.version","value":{"stringValue":"1.50.0"}}]},"scopeSpans":[{"scope":{"name":"org.jetbrains.amper.telemetry","attributes":[]},"spans":[{"traceId":"0299868cc90426bd8b92acbb079c9ffa","spanId":"6608b921b48291e7","parentSpanId":"3b1be2d9afd95352","name":"JVM startup","kind":1,"startTimeUnixNano":"1754611508891394000","endTimeUnixNano":"1754611509268394000","attributes":[],"event

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Kotlin/Native requires that C libraries are compiled with a specific verison of GCC.

You can use the GCC used by Kotlin/Native itself. These Gradle tasks will help with this.

Example usage

// build.gradle.kts
import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget
import org.jetbrains.kotlin.gradle.tasks.KotlinCompile

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### Llama 2 Chat
POST http://127.0.0.1:8080/completion
Content-Type: application/json

{
  "prompt": "What is Java Language?",
  "temperature": 0.7
}

### Llama 2 tokenize

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#!/usr/bin/env java --enable-preview --enable-native-access=ALL-UNNAMED --source 21

import java.lang.foreign.*;
import java.lang.foreign.MemoryLayout.PathElement;
import java.lang.invoke.MethodHandle;

public class FFMCrash {

    static Linker LINKER = Linker.nativeLinker();
    static SymbolLookup loaderLookup = SymbolLookup.loaderLookup();

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{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "description": "A dual axis chart, created by setting y's scale resolution to `\"independent\"`",
  "width": 400,
  "height": 300,
  "data": {
    "values": [
      {
        "process": "java",
        "time": "2023-04-27 00:00:00",

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fun main() {
  """
CI=Always set to true.
GITHUB_ACTION=The name of the action currently running, or the id of a step. For example, for an action, __repo-owner_name-of-action-repo. GitHub removes special characters, and uses the name __run when the current step runs a script without an id. If you use the same script or action more than once in the same job, the name will include a suffix that consists of the sequence number preceded by an underscore. For example, the first script you run will have the name __run, and the second script will be named __run_2. Similarly, the second invocation of actions/checkout will be actionscheckout2.
GITHUB_ACTION_PATH=The path where an action is located. This property is only supported in composite actions. You can use this path to access files located in the same repository as the action. For example, /home/runner/work/_actions/repo-owner/name-of-action-repo/v1.
GITHUB_ACTION_REPOSITORY=For a step executing an action, this is the owner and repository name of the action. Fo