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Full Discussion: Network Tweaking - Database Query Across Internet
Special Forums IP Networking Network Tweaking - Database Query Across Internet Post 302461337 by pludi on Sunday 10th of October 2010 12:12:55 PM
Old 10-10-2010
Fact is: Database queries are pretty small on the network, unless they are very complicated. The biggest parts in terms of latency are the processing time in the database, and the result size (at least for SELECT queries). The former can't be influenced by the network, and the later depends more on the network infrastructure at the remote site than on yours.

And unless you can tell us more about the setup we won't be able to suggest any more useful approaches that might help you. For example, the MTU only applies for data leaving your system, not for incoming data, and only holds untill the next system that uses a different, smaller MTU.
 

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LEARN ABOUT OPENSOLARIS

net_getpmtuenabled

net_getpmtuenabled(9F)					   Kernel Functions for Drivers 				    net_getpmtuenabled(9F)

NAME

       net_getpmtuenabled - determine if path MTU discovery is enabled for a network protocol

SYNOPSIS

       #include <sys/neti.h>

       int net_getpmtuenabled(const net_data_t net);

INTERFACE LEVEL

       Solaris DDI specific (Solaris DDI).

PARAMETERS

       net    value returned from a successful call to net_protocol_lookup(9F).

DESCRIPTION

       The  net_getpmtuenabled()  function returns a value to indicate whether or not path MTU (PMTU) discovery is enabled for this network proto-
       col.

RETURN VALUES

       The net_getpmtuenabled() function returns:

       -1    The network protocol does not support this function.

       0     PATH MTU discovery is disabled.

       1     PATH MTU discovery is enabled.

CONTEXT

       The net_getpmtuenabled() function may be called from user,  kernel, or interrupt context.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+

SEE ALSO

       net_getmtu(9F), net_protocol_lookup(9F)

SunOS 5.11							    1 May 2008						    net_getpmtuenabled(9F)
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