On Thu, May 02, 2013 at 12:33:37PM -0400, Michael Mol wrote: > On 05/02/2013 12:27 PM, Alan Mackenzie wrote: > > Hi, Gentoo.
> > I've just built libreoffice-3.6.6.2 and it took 2 hours 10 minutes on my > > 2.6 GHz quad core Athlon 2. It used to take about an hour. > > Watching the build, it became evident that the first 50 minutes or so > > was taken up by several hundred mkdir operations (more precisely, mkdir > > -p <long path>). Some of these mkdir's would take, perhaps, a minute to > > execute. All the while, top showed make taking 100% of one core. > > There seems to be something suboptimal here. Has anybody else seen > > this, or does anybody have any ideas how to fix the problem? > Long delays suggest a timeout of some sort. OK. As a matter of interest, some of the mkdirs executed relatively quickly - perhaps in 0.5 seconds. I never saw the screen whizzing by as I ought to have done, though. > First thing I'd look at is the filesystem underneath, and the disk > underneath that. My /var is an ext3 LVM partition, doubled up on a RAID-1 disk array. In the middle of the mkdiring, I checked there were enough inodes free (there were). I've no reason to suspect the disk drives might be flaky. > Second thing I'd look at is to see if permissions checks might be > bouncing through something like kerberos, samba or ldap. Do you have any > single-signon things configured on that machine? I've not got kerberos or samba installed. I appear to have ldap (whatever that might be ;-). ls -lurt /usr/bin/ldap* shows these binaries were last accessed (?used) on 2012-03-14. What exactly do you mean by "single-signon"? -- Alan Mackenzie (Nuremberg, Germany).
