hi achim, > you just misinterpreted the term fileCacheLimit. > This is not in byte, but specifies the maxFilesToCache setting : i understand that, but how does the fileCacheLimit relate to the fileCacheMem number?
(we have a 32GB pagepool, and mmfsd is using 80GB RES (101 VIRT), so we are looking for large numbers that might explain wtf is going on (pardon my french ;) stijn > > UMALLOC limits: > bufferDescLimit 40000 desired 40000 > fileCacheLimit 4000 desired 4000 <=== mFtC > statCacheLimit 1000 desired 1000 <=== mSC > diskAddrBuffLimit 200 desired 200 > > # mmfsadm dump config | grep -E "maxFilesToCache|maxStatCache" > maxFilesToCache 4000 > maxStatCache 1000 > > Mit freundlichen Grüßen / Kind regards > > *Achim Rehor* > > -------------------------------------------------------------------------------- > Software Technical Support Specialist AIX/ Emea HPC Support > IBM Certified Advanced Technical Expert - Power Systems with AIX > TSCC Software Service, Dept. 7922 > Global Technology Services > -------------------------------------------------------------------------------- > Phone: +49-7034-274-7862 IBM Deutschland > E-Mail: [email protected] Am Weiher 24 > 65451 Kelsterbach > Germany > > -------------------------------------------------------------------------------- > IBM Deutschland GmbH / Vorsitzender des Aufsichtsrats: Martin Jetter > Geschäftsführung: Martin Hartmann (Vorsitzender), Norbert Janzen, Stefan > Lutz, > Nicole Reimer, Dr. Klaus Seifert, Wolfgang Wendt > Sitz der Gesellschaft: Ehningen / Registergericht: Amtsgericht Stuttgart, HRB > 14562 WEEE-Reg.-Nr. DE 99369940 > > > > > > > From: Stijn De Weirdt <[email protected]> > To: gpfsug main discussion list <[email protected]> > Date: 09/05/2019 16:21 > Subject: [gpfsug-discuss] advanced filecache math > Sent by: [email protected] > > -------------------------------------------------------------------------------- > > > > hi all, > > we are looking into some memory issues with gpfs 5.0.2.2, and found > following in mmfsadm dump fs: > > > fileCacheLimit 1000000 desired 1000000 > ... > > fileCacheMem 38359956 k = 11718554 * 3352 bytes (inode size 512 + > 2840) > > the limit is 1M (we configured that), however, the fileCacheMem mentions > 11.7M? > > this is also reported right after a mmshutdown/startup. > > how do these 2 relate (again?)? > > mnay thanks, > > stijn > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at spectrumscale.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > > > > > > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at spectrumscale.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss
