Hello, On 11/19/2010 05:00 PM, Alexey Dobriyan wrote: > On Fri, Nov 19, 2010 at 5:33 PM, Tejun Heo <tj@xxxxxxxxxx> wrote: >>> - insert SKB's into socket buffers >> >> Can't we drain kernel buffers? ie. Stop further writing and wait the >> send-q to drop to zero. > > On send: > if network dies right after freeze, you lose. Gosh, if you're really worried about that, put a netfilter module which would buffer and simulate acks to extract the packets before initiating freeze. These are fringe problems. Use fringe solutions. > On receive: > packets arrive after process freeze, but before network device freeze. Just store the data somewhere. The checkpointer can drain the socket, right? >>> - setting different statistics counters (like netdev stats etc.) >>> and so on... >> >> Why would this matter? > > Because you'll introduce million stupid interfaces not interesting to > anyone but C/R. In this thread, how many have you guys come up with? Not even a dozen and most can be sovled almost trivially. Seriously, what the hell.. Thanks. -- tejun _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
