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Hi Simon, re: > My Ldm version is 6.12.9 > > Upstream transfer file to downstream via ldmsend > Downstream save file to local disk by setting pqact.conf's FILE function > But downstream's pqact will write file in 10 min > When i set pqact time offset to 3600 and then downstream's pqact will write > file immediately > > The system time in downstream is later than upstream by 10 min > ex: > upstream : 2016/10/04/10:20 > downstream:2016/10/04/10:30 > > Does Ldm compare upstream system time with downstream system time? > Shall i use the time offset when downstream is later than upstream? Our LDM developer will need to answer these questions. I just wanted to comment that the best thing for you to do is use 'ntpd' to keep the clocks accurately set on both your upstream and downstream machines. When the clocks on both of your machines are accurate, your processing problem will disappear. Cheers, Tom -- **************************************************************************** Unidata User Support UCAR Unidata Program (303) 497-8642 P.O. Box 3000 address@hidden Boulder, CO 80307 ---------------------------------------------------------------------------- Unidata HomePage http://www.unidata.ucar.edu **************************************************************************** Ticket Details =================== Ticket ID: AGP-366871 Department: Support LDM Priority: Normal Status: Open =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.