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The cause of the slowdown was a change to the ZFS dataset. In conjunction with the database server, very little caching was being done. This combination resulted in increased disk I/O as the system churned through the database. Details in the blog post which outlines the various things which changed. Many graphs.

Port details
libnvpair Illumos name-value pair library
2.0 databases on this many watch lists=0 search for ports that depend on this port Find issues related to this port Report an issue related to this port 2.0Version of this port present on the latest quarterly branch.
There is no maintainer for this port.
Any concerns regarding this port should be directed to the FreeBSD Ports mailing list via
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Port Added: 2015-09-30 10:29:04
Last Update: 2019-11-25 23:25:52
SVN Revision: 518434
Also Listed In: devel
License: CDDL
SVNWeb : Homepage
pkg-plist: as obtained via: make generate-plist
Expand this list (9 items)
  1. include/libnvpair.h
  2. include/nvpair.h
  3. lib/libnvpair.a
  4. lib/
  5. lib/
  6. @ldconfig
  7. /usr/local/share/licenses/libnvpair-2.0/
  8. /usr/local/share/licenses/libnvpair-2.0/LICENSE
  9. /usr/local/share/licenses/libnvpair-2.0/CDDL
Collapse this list.
Dependency lines:
  • libnvpair>0:databases/libnvpair
To install the port: cd /usr/ports/databases/libnvpair/ && make install clean
To add the package: pkg install libnvpair
PKGNAME: libnvpair
Flavors: there is no flavor information for this port.
ONLY_FOR_ARCHS: amd64 i386

There are no ports dependent upon this port

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Number of commits found: 6

Commit History - (may be incomplete: see SVNWeb link above for full details)
25 Nov 2019 23:25:52
Original commit files touched by this commit  2.0
brooks search for other commits by this committer
Fix build with src r354909 applied.

The referenced change made NO_INSTALLLIB, NO_MAN, and NO_PROFILE into
errors causing these ports that declare them and use the FreeBSD make
infrastructure as part of their build to fail.

When the offending variables occur in a BSD Makefile, NO_MAN becomes
MK_PROFILE=no respectively.  When declared in the environment they
become WITHOUT_<FOO>.
15 Sep 2016 01:29:41
Original commit files touched by this commit  2.0
marino search for other commits by this committer
Release some of my ports back to the heap
23 Nov 2015 00:10:33
Original commit files touched by this commit  2.0
marino search for other commits by this committer
databases/libnvpair: Limit to amd64 and i386

The ARMv6, mips, and mips64 builds are all failing on the isa.defs.h
support check and there's no ETA for a support fix.
12 Oct 2015 18:55:26
Original commit files touched by this commit  2.0
amdmi3 search for other commits by this committer
- Add USES=uidfix to fix staging as non-root
- Add USE_LDCONFIG as the port installs shared library

Approved by:	marino (maintainer)
01 Oct 2015 10:10:31
Original commit files touched by this commit  2.0
marino search for other commits by this committer
databases/libnvpair: New major version (so.1 => so.3)

The changes since version 1.0.2 were significant enough to warrant
a major library version bump.  However, exists in
FreeBSD base, so the port version builds instead.

With one exception, all of the Solaris/Illumos types have been
replaced with BSD equivalents, including boolean_t.  This changes
several prototypes, and also allows for the type compatibility header
to be removed.  The one type that remains is hrtime_t (equivalent to

Internally, the regression tests for print_json (functionality that
does not exist in FreeBSD base, at least on F9) have been added from
Illumos regression tests and both DragonFly and FreeBSD pass.
30 Sep 2015 10:28:56
Original commit files touched by this commit  1.0.2
marino search for other commits by this committer
Add new port databases/libnvpair

libnvpair is a name-value pair library originating from Solaris

The nvpair library was released in OpenSolaris and has been extended
by the Illumos project.  It exports a set of functions used for managing
name-value pairs.  This is a base library for Solaris and its descendents.
However, the kernel-specific code has been removed thus libnvpair is
strictly meant for the userland.  The XDR functionality has been masked
for now due to RPC differences between *BSD and Illumos.

Number of commits found: 6

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