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Aligned with openj9 branch #521

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Geoff Bourne
2020-05-06 16:10:47 -05:00
parent 480b7645ba
commit 6bd25c20c3
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README.md
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@@ -1077,6 +1077,14 @@ via a `JVM_XX_OPTS` environment variable.
For some cases, if e.g. after removing mods, it could be necessary to startup minecraft with an additional `-D` parameter like `-Dfml.queryResult=confirm`. To address this you can use the environment variable `JVM_DD_OPTS`, which builds the params from a given list of values separated by space, but without the `-D` prefix. To make things running under systems (e.g. Plesk), which doesn't allow `=` inside values, a `:` (colon) could be used instead. The upper example would look like this:
`JVM_DD_OPTS=fml.queryResult:confirm`, and will be converted to `-Dfml.queryResult=confirm`.
The container uses [OpenJ9](https://www.eclipse.org/openj9/docs) and a couple of J9 options are
simplified by environment variables:
- `-e TUNE_VIRTUALIZED=TRUE` : enables the option to
[optimize for virtualized environments](https://www.eclipse.org/openj9/docs/xtunevirtualized/)
- `-e TUNE_NURSERY_SIZES=TRUE` : configures nursery sizes where the initial size is 50%
of the `MAX_MEMORY` and the max size is 80%.
### Enable Remote JMX for Profiling
To enable remote JMX, such as for profiling with VisualVM or JMC, add the environment variable `ENABLE_JMX=true` and add a port forwarding of TCP port 7091, such as: