HAPROXY LOGS

The art of logging

HOW TO GET YOUR LOGS TELNET STYLE

HOW TO GET YOUR LOGSHAPROXY WEB INTERFACE

HOW TO GET YOUR LOGSLOG-MANAGEMENT SOLUTION

“CHACUN SA ROUTE, CHACUN SON CHEMIN” - TONTON DAVID

Business Intelligence Technical intelligence

BI TI

CONTEXTHAPROXY 101 - ROUNDROBIN LOADBALANCING

Configuration:

WHAT IS MY DATA MADE OF?HAPROXY - DATA COLLECTED (FOR EACH LOG)

WHAT IS MY DATA MADE OF?HAPROXY - DATA COLLECTED (FOR EACH LOG)

• Internal State:– Tq / Tw /Tc / Tr /Tt– ActConn / Feconn / Beconn / srv_Conn / retries– Srv_queue / Backend_queue

• Connection Layer:– Client IP/port– Date connection– Http requests (if some) – Frontend/Backend/server name– Status Code– Bytes written – Captured requests/response Cookie

• Session Layer– Termination state

WHAT IS MY DATA MADE OF?HAPROXY - DATA COLLECTED (FOR EACH LOG)

• Internal State:– Tq / Tw /Tc / Tr /Tt– ActConn / Feconn / Beconn / srv_Conn / retries– Srv_queue / Backend_queue

• Connection Layer:– Client IP/port– Date connection– Http requests (if some) – Frontend/Backend/server name– Status Code– Bytes written – Captured requests/response Cookie

• Session Layer– Termination state

Field

FieldField

Field

Field

Metrics

MetricsMetrics

Metrics

Field

Field Metrics

JUST AGGREGATINGAND RANKING

JUST COUNTINGSTEP BY STEP, TIME BUCKET AFTER TIME BUCKET

HOW TO DISPLAY MY DATA?SO MANY PLOTTING LIB’S.. DAMN’

JUST COUNTINGBUT CHANGING THE DISPLAY.. FROM ABSOLUTE TO RELATIVE DATA

JUST COUNTINGMIXING TWO SETS OF FILTERED DATA

Focusing on 4xx Status code

JUST COUNTING SPOTTING THE RIGHT EVENT IN A FILTERED CONTEXT

SPOTTING THE RIGHT EVENTVISUALISATION MATTERS

A BIRD’S EYE VIEW

VISUALISATION CAN TELL STORIESRE-STARTING BACKEND SERVERS

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Keep on Loggin’!