** logical standby data changes apply

Hi,

  I have setup a logical standby database and data from primary is going to 
standby. I have setup the log archive location for standby to use LGWR and it 
seems to be writing to standby site. However it is not applying the redo log 
immediately. It seems to be waiting for the log switch to apply the log. So 
there is delay between primary and secondary. I would like to have the standby 
updated immediately without waiting for log switch. Is there some setting I am 
missing. The manual does talk about log transport services and specifies how to 
transport redo log instead of archive log. I did not find anything related to 
applying redo log as they come. So I do not know if it is possible. Or if there 
are ways to make it happen. One way would be to have frequent log switch but 
that would create other issues. So apart from forcing very frequent log 
switches is there a way workaround? 

Thanks for your help.

 


                
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