# HG changeset patch
# User Christophe de Vienne <christophe@unlish.com>
# Date 1412584478 -7200
# Node ID f2f065d406dcbe5fce5f84cc41838d0e8c5530ff
# Parent  6b83ceda8323317ce518f5e7cfc5ad04ec5958f9
[devtools][pg] Activate the non-durability settings of Postgresql.

It speed up the PG tests by a factor of 3.

See http://www.postgresql.org/docs/current/static/non-durability.html.

diff -r 6b83ceda8323 -r f2f065d406dc devtools/__init__.py
--- a/devtools/__init__.py	Mon Nov 17 09:32:37 2014 +0100
+++ b/devtools/__init__.py	Mon Oct 06 10:34:38 2014 +0200
@@ -560,8 +560,12 @@
         env = os.environ.copy()
         env['PGPORT'] = str(port)
         env['PGHOST'] = str(directory)
+        options = '-h "" -k %s -p %s' % (directory, port)
+        options += ' -c fsync=off -c full_page_writes=off'
+        options += ' -c synchronous_commit=off'
         try:
-            subprocess.check_call(['pg_ctl', 'start', '-w', '-D', datadir, '-o', '-h "" -k %s -p %s' % (directory, port)],
+            subprocess.check_call(['pg_ctl', 'start', '-w', '-D', datadir,
+                                   '-o', options],
                                   env=env)
         except OSError, err:
             if err.errno == errno.ENOENT: