Adding Log Analysis Function
Last updated: 2025-05-27 10:48:44
Overview
The COS log analysis feature applies to various scenarios to help you efficiently extract key information from log files. This document describes how to add a COS log analysis function. After adding a function, see Setting Log Analysis to use this feature.
Notes
If you have added a COS log analysis rule to your bucket via the COS console, you can view the COS log analysis function you created in the SCF console. Do not delete the COS log analysis function. Otherwise, your rule may not take effect.
The current feature is only supported in regions where both COS and SCF are the same. It is not supported in some regions (for example, Chongqing). The specific regions are subject to those displayed on the COS and SCF consoles.
The log analysis feature depends on the SCF service, which provides users with a free tier. You will be billed for the part exceeding the free tier according to SCF pricing.
Directions
1. Log in to the COS console.
2. On the left sidebar, click App Integration > Extended Features and find COS Log Analysis.
3. Click Configure Analysis Feature to enter the function rule configuration page.
4. Select a region to add the function and click Add Function. Configure the following information in the pop-up window:
Function Name: Uniquely identifies a function and cannot be modified after it is created. You can view the function in the SCF console.
Associated Bucket: Select a COS bucket with the log analysis feature enabled.
Execution Method: Only async execution is supported. After the function is called, tasks will be executed asynchronously without returning the execution result. A longer running time is supported.
Authentication Method: Only SCF is supported.
Log storage status: Need confirmation on whether the log storage status is enabled. For operation guide, please see Set Log Storage.
SCF Authorization: SCF need to be authorized to read files from your bucket and save the result file to the specified folder.
5. After confirming that the configuration is correct, click Confirm. Wait a moment, and you will see that the function has been added. Based on the pop-up notification, you can go to the log management configuration item of the bucket to create a log analysis task. For details, refer to COS Log Analysis.
6. Click Confirm.
You can perform the following operations on the created function:
Click Instructions to reopen the usage guidance and quickly go to the COS storage bucket.
Click Log to view the historical running status.
Click Details to view detailed configuration rules.
Click More > Edit to modify a COS log analysis rule.
Click More > Delete to delete an unwanted COS log analysis rule.
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