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lizardfs v3.11.0 Release Notes

Release Date: 2017-05-11 // almost 7 years ago

  • Dear Users,

    here comes LizardFS 3.11.0!
    Featuring:

    master: improve ACL implementation
    master: add option to avoid same-ip chunkserver replication
    🔧 master: add minimal goal configuration option
    master: reimplement directory entry cache for faster lookups
    master: add whole-path lookups
    master: chunkserver add chunkserver load awareness
    mount: add readahead to improve sequential read perfromance
    👍 mount: add secondary groups support
    tools: add correct-only flag to filerepair
    tools: add -s and -i options to snapshot command
    🚚 tools: add recursive remove operations (for removing large directories
    and snapshots)
    tools: add tool for stopping execution of tasks (snapshot, recursive
    ✂ remove, etc.)
    all: change to semantic versioning system
    🛠 all: many fixes

    Detailed information:

    Readahead
    Clients can now benefit from integrated readahead mechanism.
    In order to enable readahead, please mount with the following options:
    -o cacheexpirationtime={MSEC}
    🏁 -o readaheadmaxwindowsize={KB}
    Example:
    🏁 mfsmount -o cacheexpirationtime=1000 -o readaheadmaxwindowsize=8192

    🚚 Recursive remove
    A tool for removing large directories/snapshots is finally implemented.
    Example:
    🚚 lizardfs rremove big_directory/
    🚚 lizardfs rremove -h

    Tools for managing tasks
    Two administration tools are available for managing long tasks:
    lizardfs-admin list-tasks
    lizardfs-admin stop-task
    ⚙ Run above commands for detailed usage information.

    👍 Secondary groups support
    LizardFS is now able to fully recognize secondary groups of users
    and take them into account while evaluating permissions.

    Best,
    LizardFS Team