This section describes how to query and analyze Nginx access logs in Cloud Log Service.

Cloud Log Service supports the collection of and multi-dimensional queries on Nginx logs. This section introduces analysis cases for analyzing website access status, exceptions, and important scenario alarms.

Background

Nginx is a mainstream website server. When you choose Nginx to build a website, Nginx logs are important information for the website O&M.

In the Cloud Log Service console, you can create a collection configuration to collect Nginx access logs by using the data ingestion wizard. Then, Cloud Log Service creates indexes and an Nginx dashboard to help you collect and analyze Nginx access logs. The dashboard for nginx_Nginx access logs displays metrics such as distribution of request states, request methods, page view (PV) and unique visitor (UV) statistics, and inbound and outbound traffic to display the website access in an all-round way. You can use query analysis statements to analyze the access latency of your website and optimize its performance at the earliest opportunity. You can create alarms to report performance issues, server errors, and traffic changes. If the trigger conditions of an alarm are met, alert notifications are sent to the specified recipients.

Before You Begin

Follow the configuration wizard to create the corresponding log unit, install the collector, configure collection rules, and generate log fields.

Regular expressions can be used to split the Nginx access log line. You can enter log examples to preview the matching results and name the fields for the matching results.

Procedure

After the above steps are completed, the collector starts collecting logs in the specified host group and displays the collected log information on the console. Click Retrieve Log and click Query Analysis , and the retrieved log information will be displayed on the console. On that page, you can select the display method based on your needs. You can perform operations such as unfolding the logs, and JSON formatting.

Example 1: Query the logs of requests sent from the IP address 192.168.1.100.

Example 2: Query the logs of GET requests sent from IP address 192.168.1.100.

Analyzing Website Visits

Log in to the Cloud Log Service console.
In the Log Project area, select the target log unit.
Click the Retrieve Log menu and select Interaction Mode .
Click the Statistical Analysis menu.

1.Query the request status of the interface.

2.Query the distribution of request states.

3.Distribution of request methods. Displays the proportion of each request method on the last day.

4.Inbound and outbound traffic statistics.