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5333eb0b3b
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James H 5333eb0b3b Call exportfs -v once for NFS shares. 
At the moment we call exportfs -v every time we check whether an
NFS share is active. This happens every time you run a zfs or
zpool command, making them extremely slow when you have a lot of
exports. The time taken is approx O(n2) of the number of shares.

This commit stores the output from exportfs -v in a temporary file
and use this to speed up subsequent accesses.

This mechanism is still too slow - if you have tens of thousands
of NFS shares it will still be painful running ANY zfs/zpool
command.

Signed-off-by: Gunnar Beutner <gunnar@beutner.name>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #341
2011-08-01 13:50:40 -07:00
cmd Illumos #278: get rid zfs of python and pyzfs dependencies 2011-08-01 12:09:36 -07:00
config Fix the configure CONFIG_* option detection 2011-07-22 15:07:16 -07:00
dracut Wrap dracut scripts to 79 chars 2011-07-31 11:28:44 -07:00
etc Add .gitignore for zfs.<distro> init scripts 2011-08-01 10:27:54 -07:00
include Illumos #278: get rid zfs of python and pyzfs dependencies 2011-08-01 12:09:36 -07:00
lib Call exportfs -v once for NFS shares. 2011-08-01 13:50:40 -07:00
man Illumos #1092: zfs refratio property 2011-08-01 12:09:11 -07:00
module Illumos #1313: Integer overflow in txg_delay() 2011-08-01 12:09:43 -07:00
patches Add build system 2010-08-31 13:41:27 -07:00
scripts Provide a rc.d script for archlinux 2011-07-11 14:12:23 -07:00
.gitignore Ignore unsigned module build products 2010-03-09 14:14:09 -08:00
AUTHORS Add "ashift" property to zpool create 2011-06-17 16:35:49 -07:00
autogen.sh Make autogen.sh executable 2011-07-26 10:15:35 -07:00
ChangeLog Add build system 2010-08-31 13:41:27 -07:00
configure Turn the init.d scripts into autoconf config files 2011-08-01 09:54:44 -07:00
configure.ac Turn the init.d scripts into autoconf config files 2011-08-01 09:54:44 -07:00
COPYING Relocate COPYING+COPYRIGHT, remove README cruft 2008-12-01 15:34:53 -08:00
COPYRIGHT Update COPYRIGHT to reference zpios CDDL exceptions. 2010-05-18 14:25:28 -07:00
DISCLAIMER Update COPYRIGHT and DISCLAIMER. 2010-05-18 10:32:23 -07:00
Makefile.am Add dracut support 2011-03-17 16:52:04 -07:00
Makefile.in Provide a rc.d script for archlinux 2011-07-11 14:12:23 -07:00
META Prep zfs-0.6.0-rc5 tag 2011-07-01 15:24:34 -07:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
README.markdown Fix markdown rendering 2010-09-15 09:09:37 -07:00
zfs_config.h.in Linux compat 2.6.39: mount_nodev() 2011-07-01 13:36:39 -07:00
zfs-modules.spec.in Fix rebuildable RPMs for el6/ch5 2011-04-08 10:22:42 -07:00
zfs-script-config.sh.in Unconditionally load core kernel modules 2010-11-11 11:38:25 -08:00
ZFS.RELEASE Update to onnv_147 2010-08-26 14:24:34 -07:00
zfs.spec.in Remove zfs service only on uninstall, not on upgrade 2011-07-08 11:44:17 -07:00

README.markdown

Native ZFS for Linux! ZFS is an advanced file system and volume manager which was originally developed for Solaris. It has been successfully ported to FreeBSD and now there is a functional Linux ZFS kernel port too. The port currently includes a fully functional and stable SPA, DMU, and ZVOL with a ZFS Posix Layer (ZPL) on the way!

$ ./configure
$ make pkg

Full documentation for building, configuring, and using ZFS can be found at: http://zfsonlinux.org