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docs: add chroot contents to Java driver docs (#8873)

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Tim Gross
2020-09-11 10:38:30 -04:00
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commit d8d2b7ec97
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website/pages/docs/drivers/java.mdx
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@@ -150,3 +150,29 @@ running as root, many of these mechanisms cannot be used.
As a baseline, the Java jars will be run inside a Java Virtual Machine,
providing a minimum amount of isolation.
### Chroot
The chroot created on Linux is populated with data in the following
directories from the host machine:
```
[
"/bin",
"/etc",
"/lib",
"/lib32",
"/lib64",
"/run/resolvconf",
"/sbin",
"/usr",
]
```
The task's chroot is populated by linking or copying the data from the host into
the chroot. Note that this can take considerable disk space. Since Nomad v0.5.3,
the client manages garbage collection locally which mitigates any issue this may
create.
This list is configurable through the agent client
[configuration file](/docs/configuration/client#chroot_env).