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36 lines
1.7 KiB
Text
36 lines
1.7 KiB
Text
Here are some things on my to-do list, in no particular order:
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* Automatically switch to a larger block size to reduce the overhead for files
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that rarely change after being created (like >= 100MB video files :-)
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* Implement the fsync(datasync) API method?
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if datasync:
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only flush user data (file contents)
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else:
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flush user & meta data (file contents & attributes)
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* Implement rename() independently of link()/unlink() to improve performance?
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* Implement `--verify-reads` option that recalculates hashes when reading to
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check for data block corruption?
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* `report_disk_usage()` has become way too expensive for regular status
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reports because it takes more than a minute on a 7.0 GB database. The only
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way it might work was if the statistics are only retrieved from the database
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once and from then on kept up to date inside Python, but that seems like an
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awful lot of work. For now I've removed the call to `report_disk_usage()`
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from `print_stats()` and added a `--print-stats` command-line option that
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reports the disk usage and then exits.
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* Tag databases with a version number and implement automatic upgrades because
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I've grown tired of upgrading my database by hand :-)
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* Change the project name because `DedupFS` is already used by at least two
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other projects? One is a distributed file system which shouldn't cause too
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much confusion, but the other is a deduplicating file system as well :-\
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* Support directory hard links without upsetting FUSE and add a command-line
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option that instructs `dedupfs.py` to search for identical subdirectories
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and replace them with directory hard links.
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* Support files that don't fit in RAM (virtual machine disk images…)
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