Github user jvrao commented on the issue:
https://github.com/apache/bookkeeper/pull/189
The flag is to allow backward compatibility and warn the user if they
configured multiple journal dirs on the same partition by mistake. Per @sijie's
point, yes we can handle them by monitoring the disk partition, and mark all
dirs on that dir as non-writable. But this doesn't address the perf problem
@reddycharan mentioned. I think we need to look at this in two folds.
1. Add correct metrics for reporting capacity, and keep existing behavior.
This is what @reddycharan did.
2. @sijie suggesting enhancing existing behavior, which can be handeled
with another Jira item.
Thoughts?
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