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@@ -349,6 +349,16 @@ used to access them:
subgroups.
- A project deploy token only has access to packages published to that particular project.
+## Troubleshooting
+
+To improve performance, Composer caches files related to a package. Note that Composer doesn't remove data by
+itself. The cache grows as new packages are installed. If you encounter issues, clear the cache with
+this command:
+
+```shell
+composer clearcache
+```
+
## Supported CLI commands
The GitLab Composer repository supports the following Composer CLI commands: