Hi,

My application just unzip some file, then seek and update or append some
new records to the master files. That is all. In the past, it is just
running fine.

Thank for your advise on using the set coverage, will test it out. Thank a lot

>>Hi,
>>
>>Thank for your advise, my application did use indexes.
>>
>That wasn't really advise, but a possible answer since I don't really know what type of processing is done... Was the indexing the answer? If not, could you give a description of WHAT you are trying to process, and maybe some of the requirements that appear to be taking forever. You might want to look into
>
>SET COVERAGE TO myfile.txt
>
>before running the process, then you can see, by line, where the hard hitting delays are...