[Announce] CTDB release 2.5.5 is ready for download

Amitay Isaacs amitay at gmail.com
Sun Apr 12 23:52:48 MDT 2015

This is the latest stable release of CTDB.  CTDB 2.5.5 can be used with
Samba releases prior to Samba 4.2.x (i.e. Samba releases 3.6.x, 4.0.x and

Changes in CTDB 2.5.5

User-visible changes

* Dump stack traces for hung RPC processes (mountd, rquotad, statd)

* Add vaccuming latency to database statistics

* Add -X option to ctdb tool that uses '|' as a separator to correctly
  IPv6 addresses

* Configuration variable VerifyRecoveryLock is now marked obsolete

* Improved log messages when trying to set obsolete tunables

Important bug fixes

* Fix handling of IPv6 addresses

* Use correct tdb flags when using robust mutex feature

* Fix regression in client socket handling code

* Fix regression in statd callout and make it more scalable

* Change default log level to NOTICE, so the messages are correctly
  displayed from CTDB tool

Important internal changes

* Vacuuming performance improvements
   - stagger multiple vacuuming child processes
   - process all vacuum fetch requests in a loop

* Improve handling of recovery lock

* Many test improvements and additions.

* Avoid logging every 10 seconds for locks that could not be obtained to
  flooding logs

Reporting bugs & Development Discussion

Please discuss this release on the samba-technical mailing list or by
joining the #ctdb IRC channel on irc.freenode.net.

All bug reports should be filed under CTDB product in the project's
Bugzilla database (https://bugzilla.samba.org/).

Download Details

The source code can be downloaded from:


Git repository

       http://git.samba.org/?p=ctdb.git;a=summary  (Git via web)

CTDB documentation



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