I've been talking too fast. The stalling occurs with 4.8.3-rc1 as well. But only for the first connection of a file transfer. If you rm and recopy the file, the stalling does not occur. Am 19.04.2018 um 10:06 schrieb Michal Kamil Simon: > Hi Heiko, > > That's interesting, could you give me more details on your scenario, > are you using xrdcp from a script or XrdCl C++ API (or Python bindings)? > > Could you also provide client side logs from a run when you observed > stalling? > > Cheers, > Michal > ________________________________________ > From: [log in to unmask] [[log in to unmask]] on behalf of Heiko Schröter [[log in to unmask]] > Sent: 18 April 2018 20:26 > To: [log in to unmask] > Cc: [log in to unmask]; [log in to unmask] > Subject: Re: Stalling client when copying files (xrdcp 4.8.2) > > This stalling does not occur with the 4.8.3-rc1. > > > Am 17.04.2018 um 19:24 schrieb Heiko Schröter: >> Hello, >> >> we do observe that when copying a file the client is stalled for some time. >> >> 180417 19:17:28 17252 schroete.97360:7@qc08 XrootdProtocol: 0100 >> stalling client for 5 sec >> >> Sometimes it is for 10sec and this gets repeated without a recognizable >> pattern. >> >> The client is not stalled when the copied file is removed at once and >> recopied. >> >> It looks like a similar issue as this one: >> https://listserv.slac.stanford.edu/cgi-bin/wa?A2=ind1203&L=XROOTD-L&P=R598&1=XROOTD-L&9=A&I=-3&J=on&d=No+Match%3BMatch%3BMatches&z=4 >> >> >> Is this a settable parameter or something we did wron in our setup ? >> >> We have one redirector and 12 data server on a 10GBit network. Client >> access is very limited because this is a test setup. >> >> Regards >> Heiko >> > ######################################################################## > Use REPLY-ALL to reply to list > > To unsubscribe from the XROOTD-L list, click the following link: > https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1 > > > ######################################################################## > Use REPLY-ALL to reply to list > > To unsubscribe from the XROOTD-L list, click the following link: > https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1 > -- ----------------------------------------------------------------------- Dipl.-Ing. Heiko Schröter Institute of Environmental Physics (IUP) phone: ++49-(0)421-218-62092 Institute of Remote Sensing (IFE) fax: ++49-(0)421-218-62070 University of Bremen (FB1) P.O. Box 330440 email: [log in to unmask] Otto-Hahn-Allee 1 28359 Bremen Germany ----------------------------------------------------------------------- ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1