| RE: [cdt-dev] How to investigate "Too many open files" error? |
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If you are running on linux you can try valgrind with '--track-fds=yes' option, it will show all open files and location in code. > To: cdt-dev@xxxxxxxxxxx > From: frank.theinen@xxxxxxxxx > Date: Fri, 2 Jul 2010 11:44:17 +0200 > Subject: [cdt-dev] How to investigate "Too many open files" error? > > Hi, > > I already asked for advice on the Platform and CDT newsgroups to no avail, > so I think I have to bother you here. :-) > > I'm using eclipse-cpp-helios-linux-gtk.tar.gz (and formerly > eclipse-cpp-galileo-SR2-linux-gtk.tar.gz) which (amongst others) contains > the Eclipse Platform, the C/C++ IDE and the Mylin components. I'm > experiencing "Too many open files" errors (details follow below) and I'm > looking for a way to investigate further. Since I cannot tell which > component creates the problem I'm seeking your advice here. If there is a > place more appropriate where to ask please direct me to it. > > After running for a few days the java process - which is only used by > Eclipse - exhausts the allowed number of open files per process ('ulimit > -Hn', 8192). From that time on Eclipse is unable to sensibly 'work' much > longer and creates "Too many open files" errors in all components used. > Using 'lsof | grep java' (last line shown here) > > java 15330 ftheinen 8191r REG 0,3 0 8804280 /proc/15330/maps > > shows that about 8000 of the open file descriptors are read accesses to > the process memory map file (lines differ in the file descriptor only). > Using 'lsof' from time to time shows that the number of file descriptors > increases steadily, maybe one or two per minute on average, until reaching > 8191. > > How can I systematically investigate which component is creating these > file descriptors (without having to do many time consuming experiments)? > > Regards, Frank > > _______________________________________________ > cdt-dev mailing list > cdt-dev@xxxxxxxxxxx > https://dev.eclipse.org/mailman/listinfo/cdt-dev The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with Hotmail. Get busy. |