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Add tip on enabling GC log without restarting the JVM #65

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Feb 25, 2024
Merged

Add tip on enabling GC log without restarting the JVM #65

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add gc log tip
AnEmortalKid Feb 24, 2024
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add gc log tip
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@AnEmortalKid
AnEmortalKid committed Feb 24, 2024
commit e99b5b5300c7247f562bdb7d67c6883aa59a9f50
6 changes: 6 additions & 0 deletions docs/content/docs/memory/gc.md
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Expand Up @@ -184,6 +184,12 @@ java -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:gc.log -XX:GCLogFileSize
-jar java-perf-workshop-server/target/java-perf-workshop-server-1.1.0-SNAPSHOT.jar server server.yml
```

{{% alert title="JDK9+ Tip" color="info" %}}
In higher versions of the JDK, you can enable gc logging without having to restart the JVM.

* See [this github gist](https://gist.github.com/thomasdarimont/f89fc79491241af7a064e1b3ca2757a9) for more details.
{{% /alert %}}

### Parsing the log

For parsing the logs, we are just going to show a simple approach using [R](https://www.r-project.org/) to parse the
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