Hi Martin, Le 07/10/2012 16:48, Martin Steigerwald a écrit : > Where is this volume pool located on? On which drive(s)? All the concerned machines are laptops with a single physical HD... > This could be 100 or more subvolumes / snapshots. > > Maybe slowness could be related to this one. That's a good estimation... I'm not sure if there is any theoretical reason why the number of snapshots of a given volume might slow down access to this volume ? > It would be good to have some capture of this slowness with > > vmstat 10 > > iostat -xd 10 /your/device I will try to give you some figures. But when the machine starts really crawling, it becomes very hard to start any new program unless it's "finished being slow", so that's not so easy... > Also how much RAM has the machine? What does free -m / cat /proc/meminfo > tell. The 4 concerned machines have either 4GB or 2GB RAM. None is heavily loaded as far as RAM is concerned (just booting into a standard Ubuntu GUI and then accessing emailn, browser, office applications etc.) Kind regards. -- Swâmi Petaramesh <swami@xxxxxxxxxxxxxx> http://petaramesh.org PGP 9076E32E Ne cherchez pas : Je ne suis pas sur Facebook. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
