Hi, It's determined by (apprently undocumented) parameter pfc.flush pfc.flush [blocks | bytes[kmg]] The default is 2000 blocks. At this point data files is fsynced, cinfo file is written/updated and also fsynced. Cheers, Matevz On 2020-02-25 15:19, Andrew Hanushevsky wrote: > Hi Nikolai, > > I'm sure Matevz can asnwer the question. However, I do want you to be aware that > cinf files are considered private information. There is no public API defined > for them (though monitoring information will be generated from them in the next > major release). This means that they may change without warning and at any time. > > Andy > > On Tue, 25 Feb 2020, Nikolai Hartmann wrote: > >> Hi, >> >> We are using a script from Ilija to report file access statistics from >> our xcache server: >> >> https://github.com/slateci/XCache/blob/master/cacheReporter/reporter.py >> >> This looks for cinfo files modified in the last hour and then in these >> files looks for accesses within the last hour to report. The idea is >> then to run this at least once an hour to report all file accesses >> (minus the detail that only the last 20 will be reported if more than 20 >> accesses happened in the last hour). >> >> I'm currently trying to debug why i sometimes don't report anything >> although i can see when dumping the cinfo files later that at these >> times there should have been accesses. >> >> Are the cinfo files written immediately after file accesses or could it >> be that they are written later, such that i miss accessed files with >> this method? >> >> Thanks, >> >> Nikolai >> >> ######################################################################## >> 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 ######################################################################## 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