On Wed, 27 Jan 2010, Chuck Swiger wrote:
On Jan 27, 2010, at 1:15 PM, James Smallacombe wrote:
Jan 26 21:50:32 host named[667]: client <IP REMOVED>#57938: error
sending response: not enough free resources
indicates a problem sending UDP traffic; netstat -s output would be
Unfortunately, I did not have time for netstats or tcpdumps when this
was happening and I've not seen this log entry since yesterday evening.
Unless you rebooted the machine again since the errors were reported,
the netstat output would still be relevant.
Ok, I saw this at least once since the last reboot, so here are the tcp
and udp portions of the netstat -s:
tcp:
31422122 packets sent
23133142 data packets (3473553079 bytes)
314215 data packets (132175418 bytes) retransmitted
6579 data packets unnecessarily retransmitted
11 resends initiated by MTU discovery
5408494 ack-only packets (200066 delayed)
0 URG only packets
1237 window probe packets
868892 window update packets
1713629 control packets
28600984 packets received
17029642 acks (for 3351867346 bytes)
1256410 duplicate acks
73760 acks for unsent data
11363962 packets (548204663 bytes) received in-sequence
184682 completely duplicate packets (16657176 bytes)
2327 old duplicate packets
1468 packets with some dup. data (339128 bytes duped)
334018 out-of-order packets (337877573 bytes)
85687 packets (637782 bytes) of data after window
10 window probes
114047 window update packets
160975 packets received after close
1148 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
9123 discarded due to memory problems
413250 connection requests
1504359 connection accepts
6 bad connection attempts
100 listen queue overflows
186225 ignored RSTs in the windows
1912682 connections established (including accepts)
2050764 connections closed (including 1022550 drops)
1058803 connections updated cached RTT on close
1065370 connections updated cached RTT variance on close
252114 connections updated cached ssthresh on close
3769 embryonic connections dropped
11958433 segments updated rtt (of 11574855 attempts)
285733 retransmit timeouts
12079 connections dropped by rexmit timeout
1884 persist timeouts
4 connections dropped by persist timeout
0 Connections (fin_wait_2) dropped because of timeout
385 keepalive timeouts
345 keepalive probes sent
40 connections dropped by keepalive
2663719 correct ACK header predictions
5996181 correct data packet header predictions
1520655 syncache entries added
58477 retransmitted
26560 dupsyn
20622 dropped
1504359 completed
137 bucket overflow
0 cache overflow
6190 reset
10206 stale
100 aborted
0 badack
47 unreach
0 zone failures
1541277 cookies sent
415 cookies received
21638 SACK recovery episodes
37110 segment rexmits in SACK recovery episodes
51620488 byte rexmits in SACK recovery episodes
240368 SACK options (SACK blocks) received
217836 SACK options (SACK blocks) sent
0 SACK scoreboard overflow
udp:
9663633 datagrams received
0 with incomplete header
0 with bad data length field
549 with bad checksum
9609 with no checksum
12092 dropped due to no socket
49230 broadcast/multicast datagrams undelivered
0 dropped due to full socket buffers
0 not for hashed pcb
9601762 delivered
42443353 datagrams output
0 times multicast source filter matched
James Smallacombe PlantageNet, Inc. CEO and Janitor
u...@3.am http://3.am
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