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Why was the website so slow for so long?

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.

non port: devel/scons/files/patch-engine-SCons-compat-__init__.py
SVNWeb

Number of commits found: 2

Mon, 4 Jan 2010
[ 02:39 pgollucci ] Original commit 
1.39 devel/scons/Makefile
1.30 devel/scons/distinfo
1.2 devel/scons/files/patch-engine-SCons-compat-__init__.py
1.24 devel/scons/pkg-plist
- lang/python23 is nolonger supported so remove the obsolete patch
- Update to 1.2.0_20091224 [1]

PR:             ports/142234 [1]
Submitted by:   dikshie <dikshie@sfc.wide.ad.jp> [1]
Thu, 25 Dec 2008
[ 14:57 pgollucci ] Original commit 
1.35 devel/scons/Makefile
1.1 devel/scons/files/patch-engine-SCons-compat-__init__.py
1.1 devel/scons/files/patch-engine-SCons-compat-_scons_subprocess.py
Python's subprocess module has a race condition: Popen() constructor has a call
to global "_cleanup()" function on whenever a Popen object gets created, and
that call causes a check for all pending Popen objects whether their subprocess
has exited - i.e. the poll() method is called for every active Popen object.

See http://bugs.python.org/issue1731717 for addition details

SCon's compat/_scons_subprocess.py module is just a copy of a more recent
stock Python subprocess.py modified so it will work with older Python
versions.

The attached patch will add locks around calls to Popen and change
the compat module in a way that the subprocess module is always used, no matter
if Python already ships one.

The rationale behind this decision is that there are many Python versions in the
wild with different Popen() race condition problems.

PR:             ports/128845
Submitted by:   Steven Kreuzer <skreuzer@exit2shell.com>
Approved by:  araujo (mentor, implicit)

Number of commits found: 2

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