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[gfarm-announce:104046] Gfarm version 2.5.4 released

Hi all,

We are pleased to announce the release of Gfarm file system version


Gfarm version 2.5.4 includes many bug fixes regarding the hot standby
metadata server.  We strongly recommend to upgrade to this version.

Release note for Gfarm 2.5.4


New Command
* gfperf.rb - performance measurement tool
* gfstress.rb - heavy load generator
* gfiops - iops measurement tool

* gfs_seekdir and gfs_telldir

New configuration directive
* debug_command - specify the command to be executed when SIGQUIT,

* Gfarm-FAQ - how to dump core

Updated feature
* link a thread-safe globus flavor
* support private mode in debian
* gfstatus - -d option for debug messages
* gfjournal - -m option to display the latest sequence number [sf.net
  trac #308]
* gfdump.postgresql - -n option to suppress stopping and starting the
  metadata server
* gfsd - terminates only if there is no file opened in write mode
* gfmd - gfmd hostname can be specified by the configuration file
  [sf.net trac #309]
* gfmd - slave gfmd exits when the database is out of date [sf.net
  trac #328]
* display backtrace when gfmd/gfsd aborts [sf.net trac #304]

Bug fix
* fix connection error in case of GSI and local host
* gfjournal - deadlock with -lv option [sf.net trac #335]
* gfdump.postgresql - always exit 1 in the dump mode
* gfmd - fix potential segfault [sf.net trac #337]
* gfmd - plug memory leak when updating metadata host at start up
  [sf.net trac #333]
* gfmd - plug memory leak when changing a slave gfmd to a master gfmd
  [sf.net trac #332]
* gfmd - fix segfault when disconnecting a master-slave gfmd channel
  [sf.net trac #330]
* gfmd - fix assertion failure when a slave gfmd reconnects to the
  master gfmd after the database is out of date [sf.net trac #322]
* gfmd - journal file cannot be correctly opened when it is
  overwritten once [sf.net trac #321]
* gfmd - plug file descriptor leak when the journal records are
  expired [sf.net trac #320]
* gfmd - fix internal error during sending journal records [sf.net
  trac #314]

Osamu Tatebe
Department of Computer Science, University of Tsukuba
1-1-1 Tennodai, Tsukuba, Ibaraki 3058577 Japan