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Looks like a bug. The SHOW PROCESSLIST command to mysql show that there are 949 connections to the DB right now, most of them not doing anything but connecting to the hps_conditions database. Thus, I would conclude that the conditions database code is NOT closing its connections correctly. Jeremy, this is your code, can you please look into this? Best, Maurik > On Dec 7, 2017, at 10:58 AM, Rafayel Paremuzyan <[log in to unmask]> wrote: > > HI, in pass7, looking into job statues, I see many jobs have several hours of wall time, while cpu time is only few minutes, or even less than a minute. > > I just did ccpr and asked, if they can help to investigate this, > but also I want to make sure, if this is not related to the DB. > > Looking into output log files, and calculating printouts of connection openning and connection closing, > it shows 13 connection openings and 8 closings. > > ifarm1402> grep -i DatabaseConditionsManager hps_005782.252_4.0.1_Recon.err | grep Opening | wc > 13 117 1599 > ifarm1402> grep -i DatabaseConditionsManager hps_005782.252_4.0.1_Recon.err | grep Closing | wc > 8 72 1032 ifarm1402> > > Can someone of experts comment on this? whether all connection close and opens are printed in the log file? > > You can have a look for example this log file > /lustre/expphy/work/hallb/hps/data/engrun2015/pass7/hps_005782.252_4.0.1_Recon.err > > Rafo > > ######################################################################## > Use REPLY-ALL to reply to list > > To unsubscribe from the HPS-SOFTWARE list, click the following link: > https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the HPS-SOFTWARE list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1