Shulou(Shulou.com)05/31 Report--

This article introduces how the Serverless application manages logs and persisted data. The content is very detailed. Interested friends can use it for reference. I hope it will be helpful to you.

Real-time log

First of all, SAE supports viewing the real-time logs of each Pod under the application instance grouping. When an exception occurs in the application, you can locate the problem by looking at the real-time log of Pod. When the application is running, you can easily see the real-time log of the application instance in [console-Log Management menu-Real-time log submenu].

File log

SAE collects and inputs business file logs (excluding stdout and stderr logs) into SLS to view logs with an unlimited number of lines, aggregate and analyze logs by itself, facilitate the docking of business logs, and be billed by log usage.

You can configure the log collection service when deploying the application, enter the log sources to be collected, and enter wildcards to solve the scrolling log scenarios.

When the configuration is completed, you can easily see the collected file logs in [console-Log Management menu-File Log submenu].

NAS persistent storage

Because the data stored in the container is not persistent, SAE supports the NAS storage function, which solves the problem of persistence of application instance data and multi-reading and sharing data between instances.

You can configure persistent storage by deploying the application, select the created NAS, and enter the corresponding mount path in the container.

When the configuration is complete, you can use the cat / proc/mount | grep nfs command to check whether the mount is successful, or you can prepare two application instances, An and B, and mount NAS respectively. Execute the write command echo "hello" > tmp.txt on An and the read command cat tmp.txt on B. If the hello written in A can be read in B, it means that the NAS is mounted successfully.

This is the end of how to manage logs and persist data in Serverless applications. I hope the above content can be helpful to you and learn more. If you think the article is good, you can share it for more people to see.

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