viirya opened a new issue, #1017:
URL: https://github.com/apache/datafusion-comet/issues/1017
### What is the problem the feature request solves?
We currently only enable unified memory manager for Comet if off-heap mode
is enabled. It causes some memory issues like #996, #949, etc.
Re-thinking about this, I think a better approach is to use unified memory
management for Comet, i.e. off-heap mode must be enabled for Comet. It could
simplify memory management in Comet. It can give a more explicit signal to
users that off-heap memory is used for Comet native execution that should give
users a more clear picture about how Spark/Comet memory is used (so they don't
need to guess).
### Describe the potential solution
_No response_
### Additional context
_No response_
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