On 29.02.2016 14:33, Jason J. Herne wrote: > Commit 1199edb1d4e3 added config option max_queued_clients and documented the > default value as 1000 but never actually set that value. This patch sets the > default value. > > This addresses an issue whereby the following error message is reported if too > many migrations are started simultaneously: > > error: End of file while reading data: Ncat: Invalid argument.: Input/output error > > The problem is that too many ncat processes are spawned on the destination > system. They all attempt to connect to the libvirt socket. Because the > destination libvirtd cannot respond to the connect requests quickly enough we > overrun the socket's pending connections queue. > > Signed-off-by: Jason J. Herne <jjherne@xxxxxxxxxxxxxxxxxx> > Reviewed-by: Boris Fiuczynski <fiuczy@xxxxxxxxxxxxxxxxxx> > --- > daemon/libvirtd-config.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/daemon/libvirtd-config.c b/daemon/libvirtd-config.c > index c31c8b2..7a448f9 100644 > --- a/daemon/libvirtd-config.c > +++ b/daemon/libvirtd-config.c > @@ -280,6 +280,7 @@ daemonConfigNew(bool privileged ATTRIBUTE_UNUSED) > data->min_workers = 5; > data->max_workers = 20; > data->max_clients = 5000; > + data->max_queued_clients = 1000; > data->max_anonymous_clients = 20; > > data->prio_workers = 5; > Oops. ACKed and pushed. Thanks for noticing. Michal -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list