[Support #MFF-300564]: TCP tuning for TIGGE tuning

Manuel,

> YangXin has allowed me to login their system (Thanks!).
> Looking at the ldm log, I can see messages that don't seem very healthy:
> 
> Mar 29 10:38:48 tgn01 tigge-ldm.ecmwf.int[28268] ERROR: readtcp(): EOF
> on socket 4
> Mar 29 10:38:48 tgn01 tigge-ldm.ecmwf.int[28268] ERROR: one_svc_run():
> RPC layer closed connection
> Mar 29 10:38:48 tgn01 tigge-ldm.ecmwf.int[28268] ERROR: Disconnecting
> due to LDM failure; Connection to upstream LDM closed
> 
> Mar 29 10:39:11 tgn01 ultrazone.ucar.edu[28305] ERROR: readtcp(): EOF on
> socket 4
> Mar 29 10:39:11 tgn01 ultrazone.ucar.edu[28305] ERROR: one_svc_run():
> RPC layer closed connection
> Mar 29 10:39:11 tgn01 ultrazone.ucar.edu[28305] ERROR: Disconnecting due
> to LDM failure; Connection to upstream LDM closed

The error messages mean that a read on the socket returned due to an
end-of-file condition.  This means that the TCP layer decided that
the connection was broken.  Because the LDM uses TCP, there's
nothing that the LDM can do about this other than reconnect.

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: MFF-300564
Department: Support IDD TIGGE
Priority: Normal
Status: Closed