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loggingasp.net-core-mvcnlognetwork-share
Sabarish Sathasivan
Sabarish Sathasivan

Reputation: 1276

Configuring NLog for writing to a network file path in an ASP.NET Core MVC Application

We are attempting to load balance an ASP.NET Core MVC application that uses NLog to log using File Target. The load-balanced setup will have multiple application servers, and the plan is to store the logs in a network drive. We are reviewing the Performance Tuning Options in the following link

https://github.com/NLog/NLog/wiki/File-target

and came up with the following configuration.

<targets async="true">
    <target type="File" name="logfile" fileName="${basedir}/logs/${level}.txt" keepFileOpen="false" networkWrites ="true" />
</targets>

<rules>
    <logger name="*" minlevel="Debug" writeTo="logfile" />
</rules>

Are there any way to optimize the configuration. Any recommendation is highly appreciated

Thanks in advance

Upvotes: 0

Views: 155

Answers (1)

Rolf Kristensen
Rolf Kristensen

Reputation: 19912

keepFileOpen="false" and networkWrites="true" have the same meaning, and NLog-project is moving towards marking networkWrites as obsolete to remove duplicate logic. So you should just use keepFileOpen="false".

If multiple applications are going to write to the same log-file-path, then you should also enable concurrentWrites="true" since it will apply concurrentWriteAttempts="10". So when the shared log-file is momentarily locked by other application for log-writing, then retry-logic will be applied.

But very good idea to apply <targets async="true"> to avoid being hit by the network-outage.

See also: https://github.com/NLog/NLog/wiki/File-target

Upvotes: 1

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