pprof-web

PProf-Web

PProd web is a web proxy for pprof endpoints. Sometimes we have firewalls between net areas and cannot retch the pprof debug endpoint directly. PProf-Web can be deployed in this area and expose only one web endpoint to proxy the pprof request.

Goals

• ONLY use official pprof tool as go mod dependency
• Implement interfaces in official pprof tool as little as possible

Feature

• Fetch remote CPU profile
• Load profile from local tmp storage
• Auto delete inactive profile
• Better log
• Dockerfile
• Helm chart
• Unit test
• Support heap profile
• Support goroutine profile
• Improve web UI
• Proxy for all pprof endpoint
• Support sub folder using -b param

Usage

Nginx proxy as sub folder

Be careful of the proxy_read_timeout option. Because server cannot send any response data during profile, this option must larger than max profile seconds (usually 60s).

location /cluster-1/ {
    rewrite ^/cluster-1(/.*)$ $1 break;
    proxy_redirect / /cluster-1/;
    proxy_read_timeout 120s;
    proxy_pass http://1.1.1.1:8080/;
}

location /cluster-2/ {
    rewrite ^/cluster-2(/.*)$ $1 break;
    proxy_redirect / /cluster-2/;
    proxy_read_timeout 120s;
    proxy_pass http://2.2.2.2:8080/;
}

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