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From Patrik Modesto <patrik.mode...@gmail.com>
Subject Re: newer Cassandra + Hadoop = TimedOutException()
Date Fri, 24 Feb 2012 14:33:51 GMT
Hi Jeremy,

I've seen the page and tried the values but to no help.

Here goes tcpdump of one failed TCP connection:

15:06:20.231421 IP 10.0.18.87.9160 > 10.0.18.87.39396: Flags [P.], seq
137891735:137904068, ack 708, win 282, options [nop,nop,TS val
4119981636 ecr 4119981636], length 12333
15:06:20.231434 IP 10.0.18.87.39396 > 10.0.18.87.9160: Flags [.], ack
137891735, win 24576, options [nop,nop,TS val 4119981636 ecr
4119981636], length 0
15:06:20.231459 IP 10.0.18.87.39396 > 10.0.18.87.9160: Flags [.], ack
137904068, win 24576, options [nop,nop,TS val 4119981636 ecr
4119981636], length 0
15:06:20.271128 IP 10.0.18.87.39396 > 10.0.18.87.9160: Flags [P.], seq
708:712, ack 137904068, win 24576, options [nop,nop,TS val 4119981646
ecr 4119981636], length 4
15:06:20.271156 IP 10.0.18.87.39396 > 10.0.18.87.9160: Flags [P.], seq
712:901, ack 137904068, win 24576, options [nop,nop,TS val 4119981646
ecr 4119981636], length 189
15:06:20.271217 IP 10.0.18.87.9160 > 10.0.18.87.39396: Flags [.], ack
901, win 290, options [nop,nop,TS val 4119981646 ecr 4119981646],
length 0
15:06:21.450164 IP 10.0.18.87.39396 > 10.0.18.87.9160: Flags [F.], seq
901, ack 137904068, win 24576, options [nop,nop,TS val 4119981941 ecr
4119981646], length 0
15:06:21.490323 IP 10.0.18.87.9160 > 10.0.18.87.39396: Flags [.], ack
902, win 290, options [nop,nop,TS val 4119981951 ecr 4119981941],
length 0
15:06:38.487063 IP 10.0.18.87.9160 > 10.0.18.87.39396: Flags [P.], seq
137904068:137904072, ack 902, win 290, options [nop,nop,TS val
4119986200 ecr 4119981941], length 4
15:06:38.487079 IP 10.0.18.87.39396 > 10.0.18.87.9160: Flags [R], seq
1086151357, win 0, length 0

port 39396 is client, port 9160 is cassandra server. interresting are
the last four lines. There if FIN from client to cassandra, then
cassandra reply with ACK, then ACK+PSH and then gets RST and fails. It
looks like cassandra writes to closed connection.

Regards,
P.

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