Am 2017-05-24 um 10:23 schrieb Marat Khalili: > Hello, > >> It occurs when enabling quotas on a volume. When there are a >> lot of snapshots that are deleted, the system becomes extremely >> unresponsive (IO often waiting for 30s on a SSD). When I don't have >> quotas, removing snapshots is fast. > Same problem here. It is now common knowledge in the list that qgroups > cause performance problems. I try to avoid deleting many snapshots at > once because of this. I enabled quota a few weeks ago, then my system gets so unresponsible, that services stopped working and nothing worked anymore... disabling qouta was also not able, it endet up in a kernel-panic and frozen system. Hat to reinstall my system back from the backup... greetings Jakob -- 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
