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Andrzej Bialecki commented on HADOOP-3307:
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bq. On unix, mounts are not managed by a filesystem implementation, but by the
kernel.
(Off-topic) Strictly speaking, yes - but in reality many filesystems are
implemented as loadable modules (handlers) so it's not the monolithic kernel
that handles all file ops. And many implementations exist only in user space
(FUSE). Kernel then only makes sure that file ops under this mount point are
delegated to the appropriate handler. Which is the model that I suggested here
- in our case the client FileSystem abstraction would play this role.
bq. If we were to add a mount mechanism, we should add it at the generic
FileSystem level, not within HDFS.
Correct, that's what I was suggesting.
> Archives in Hadoop.
> -------------------
>
> Key: HADOOP-3307
> URL: https://issues.apache.org/jira/browse/HADOOP-3307
> Project: Hadoop Core
> Issue Type: New Feature
> Components: fs
> Reporter: Mahadev konar
> Assignee: Mahadev konar
> Fix For: 0.18.0
>
>
> This is a new feature for archiving and unarchiving files in HDFS.
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