Answer / sivagami

This function is used to initialize the main memory buffers
used by the workflow system. This reads the current values
from the database again so that the current data is
used.You should always refresh the runtime buffer when you
have made a change in a task definition.
Execution of this function will initially result in reduced
performance for certain workflow functions. This applies
until the main memory contains all the necessary data.

Answer / sravn

Sorry could't understand ..coule you pleae explan with
example...sravan kumar

Answer / sanjay

Sravan's answer is correct,
the buffer synchronization process informs one application
buffer about the changes made in another application
buffer. the changes of one buffer after binding send to the
DDLOG table and accroding 2 parameter values the buffer
refresh process occures.

Answer / ankur

The fact that each application server has its own buffers
could result in data inconsistency across the various
application servers (instances). To prevent data
inconsistency, the SAP System uses periodical buffer
synchronization, which is sometimes called buffer refresh.

Buffer synchronization can be controlled by changing the
following parameters in the instance profile:

rdisp/bufrefmode = sendon | sendoff, exeauto | exeoff
rdisp/bufreftime =

NOTE: Buffer synchronization is required only for
distributed SAP Systems when more than one application
server (instance) is used. If your SAP System utilizes only
one application server (instance), buffer synchronization is
not needed. When the application server is restarted, all
buffers are erased and dynamically reconstructed.

Answer / sravan kumar pendyala

i couldnot understand above one...

In my view Buffer syncronysaion means

If we have 3 or 4 instances , all instace have individual
buffers. when some date is update in first instace ..same
date should be availble in the all buffer of instaces. for
maintaing same data in all buffer..This can be done using
the buffer Synchronization...sravan..

if any thing is wrong please respond.

Answer / rajesh chowdary pendyala

adding to sravan kumars answer when log on load balancing is
configured then the buffers must be synchronized between the
instances of same group.to do that we need to set up the
parameter rdisp/buffermode=send-on exeauto .

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