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Joshua McKenzie commented on CASSANDRA-8452:
--------------------------------------------
I'm not sure if "isPosix" is correct in retrospect
([reference|http://en.wikipedia.org/wiki/POSIX#POSIX-oriented_operating_systems]).
Not only are we not actually checking if something's truly posix compliant
(though being mostly compliant serves our needs for now...), but our checks are
more oriented around granular platform-specific differences, i.e. whether or
not the underlying filesystem is an ext/hfs vs. ntfs, or whether or not the
platform has a /proc filesystem (Note: I don't think the /proc filesystem is
actually defined in the posix standard ([reference
2|http://pubs.opengroup.org/onlinepubs/9699919799/])).
While having methods like 'isNTFS' or 'hasProcFilesystem' would be arguably
more correct, at this point if we slice the eco-sytem into "Windows" vs.
"non-Windows" it seems like it would satisfy our requirements. I could be off
on that though - do we have areas in the code-base where we support specific
sub-types of the *nix world w/different checks? i.e. is cassandra run on any
systems that are currently missing a /proc filesystem, or have wacky hard-link
behavior so early re-open is a problem, etc?
> Add missing systems to FBUtilities.isUnix, add FBUtilities.isWindows
> --------------------------------------------------------------------
>
> Key: CASSANDRA-8452
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8452
> Project: Cassandra
> Issue Type: Bug
> Reporter: Blake Eggleston
> Assignee: Blake Eggleston
> Priority: Minor
> Fix For: 2.1.3
>
> Attachments: CASSANDRA-8452-v2.patch, CASSANDRA-8452.patch
>
>
> The isUnix method leaves out a few unix systems, which, after the changes in
> CASSANDRA-8136, causes some unexpected behavior during shutdown. It would
> also be clearer if FBUtilities had an isWindows method for branching into
> Windows specific logic.
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