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Hi, There was an issue at RAL T1 where they are trying to use proxy server as their nodes do not have outgoing connectivity. Trying to reproduce this at UCSD, I have been running test on a proxy server without any caching using the following configuration file: http://uaf-2.t2.ucsd.edu/~alja/onlyproxy.cfg On the plot http://uaf-2.t2.ucsd.edu/~matevz/tmp/traffic.png is network traffic of the proxy server during four consecutive tests: - 300 jobs reading 2.4MB every 10s in 128 chunk-vector-read - 300 jobs reading 2.4MB every 10s in a single read - 150 jobs reading 2.4MB every 10s in a single read - 150 jobs reading 2.4MB every 10s in 128 chunk-vector-read Is there something obvious that we missed in the configuration of proxy-only server? How should we go about trying to find the bottlenecks here? Thanks, Alja ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1