A problem on TCP in High RTT Environment.

[Eggert, Lars]

On 2014-8-11, at 9:17, Michael Tuexen <Michael.Tuexen at lurchi.franken.de> wrote:
> Was there any suspicious output provided by netstat -m when the problems occur?

root at laurel:~ # netstat -m
8186/2179/10365 mbufs in use (current/cache/total)
8184/1214/9398/2036224 mbuf clusters in use (current/cache/total/max)
8184/885 mbuf+clusters out of packet secondary zone in use (current/cache)
0/5/5/1018111 4k (page size) jumbo clusters in use (current/cache/total/max)
0/0/0/301662 9k jumbo clusters in use (current/cache/total/max)
0/0/0/169685 16k jumbo clusters in use (current/cache/total/max)
18414K/2992K/21407K bytes allocated to network (current/cache/total)
544/57/8194 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
0/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters)
0/0/0 requests for jumbo clusters delayed (4k/9k/16k)
0/0/0 requests for jumbo clusters denied (4k/9k/16k)
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile

root at laurel:~ # uptime
 2:12PM  up 37 mins, 3 users, load averages: 0.20, 0.25, 0.15

Lars
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