| TCP: time wait bucket table overflow [message #25441] |
Wed, 26 December 2007 00:14  |
sspt
Messages: 100
Registered: August 2006
Location: Portugal
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Senior Member |
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I'm experiencing some network issues since i've moved from 2.6.18-8.1.8.el5.028stab039.1.
| Quote: |
Dec 25 14:17:05 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:17:10 hid01 kernel: printk: 5 messages suppressed.
Dec 25 14:17:10 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:17:15 hid01 kernel: printk: 4 messages suppressed.
Dec 25 14:17:15 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:17:20 hid01 kernel: printk: 9 messages suppressed.
Dec 25 14:17:20 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:17:26 hid01 kernel: printk: 2 messages suppressed.
Dec 25 14:17:26 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:17:32 hid01 kernel: printk: 11 messages suppressed.
Dec 25 14:17:32 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:17:36 hid01 kernel: printk: 1 messages suppressed.
Dec 25 14:17:36 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:17:44 hid01 kernel: printk: 4 messages suppressed.
Dec 25 14:17:44 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:17:46 hid01 kernel: printk: 3 messages suppressed.
Dec 25 14:17:46 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:17:50 hid01 kernel: printk: 5 messages suppressed.
Dec 25 14:17:50 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:17:55 hid01 kernel: printk: 1 messages suppressed.
Dec 25 14:17:55 hid01 kernel: TCP: time wait bucket table overflow
Dec 25 14:19:09 hid01 kernel: printk: 4 messages suppressed.
Dec 25 14:19:09 hid01 kernel: TCP: time wait bucket table overflow
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| Quote: |
[root@hid01 ~]# sysctl -a | grep tw
net.ipv4.tcp_max_tw_buckets_ub = 165360
net.ipv4.tcp_max_tw_kmem_fraction = 384
net.ipv4.tcp_tw_reuse = 0
net.ipv4.tcp_tw_recycle = 0
net.ipv4.tcp_max_tw_buckets = 1800000
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| Quote: |
[root@hid01 ~]# cat /proc/meminfo
MemTotal: 8075376 kB
MemFree: 32856 kB
Buffers: 267632 kB
Cached: 5551208 kB
SwapCached: 0 kB
Active: 3600512 kB
Inactive: 3416264 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 8075376 kB
LowFree: 32856 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 4804 kB
Writeback: 0 kB
AnonPages: 1187560 kB
Mapped: 189116 kB
Slab: 912860 kB
PageTables: 56928 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 4037688 kB
Committed_AS: 5340628 kB
VmallocTotal: 34359738364 kB
VmallocUsed: 16876 kB
VmallocChunk: 34359710628 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
Hugepagesize: 2048 kB
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| Quote: |
Linux hid01 2.6.18-53.el5.028stab051.1 #1 SMP Fri Nov 30 02:52:22 MSK 2007 x86_64 x86_64 x86_64 GNU/Linux
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The node speeds (VE0) don't seems to be affected as i can move data to another box at more than 100Mbits, although speeds from each VE to the other box are like 100kbits.
Any ideas?
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