[lustre-discuss] Robinhood 3.1.4 is available

[LEIBOVICI Thomas]

Hi all,

A new version of robinhood is available: robinhood 3.1.4.

It can be downloaded from here:
https://sourceforge.net/projects/robinhood/files/robinhood/3.1.4/

This version mainly brings changelog performance improvements (measured
up to 200k records/sec per MDT) and new web interface features.

You can find more details and a recall of improvements since v3.1 in the
release notes below.

Regards,
Thomas

Release notes
=============
3.1.4:
------
* Web gui:
    - new access control criteria: IP address, hostname
    - tasks: scheduled requests, and possiblity to keep result history
    - custom graphs
* Performance improvements:
    - Improved rules-to-SQL conversion engine. Enable faster policy runs.
    - Auto-tune hash table sizes (changelog reader and entry processor).
    - Pipeline tuning to reduce CPU usage and improve ingestion rate.
    - Default linking to jemalloc memory allocator for better performance.
      Note: it is advised to start MariaDB with this allocator too
      to achieve maximal performance.
    - Fix major performance bug in changelog reader (appeared in v3.1.3).
* Configuration files: support %include directives in sub-blocks.
* New parameter to 'common.copy': "mkdir=yes" creates target directories
  prior to the copy operation.
* New action 'common.move' (move an entry from one path/name to another).
* Command copytool 'lhsmtool_cmd': add man page.

3.1.3:
------
* Policies: add matching modes "auto_update_attrs" and "auto_update_all"
* Faster changelog reader shutdown when the process is terminated by a
signal
* Changelog optimization: drop CREATE/UNLINK and MKDIR/RMDIR changelog pairs
* rbh-find:
    - add "-links" criterion
    - "-ost" accepts OST sets
    - add "-iname" option for case-insensitive name matching
    - support "-not" for links, size and dates
* FS scan optimization (use openat() to walk through the filesystem instead
  of full paths).
* Fix rules-to-SQL conversion

3.1.2:
------
* Implement command rbh-rebind command to assign an archived entry to a
newly
  created fid (e.g. used for undelete operation).
* Make lhsm undelete more resilient to error cases
* lhsm: add tunable to allow custom/smaller UUID
* REST API:
    - add nagios plugin
    - add graph preview in console plugin
    - add new filters