anders johansson ejwrydsbonet thursday 07 february 2008 000801 tero pesonen wrote wednesday 06 february 2008 sloan wrote yes linux uses ram buffers program needs ram kernel give needs unused ram waste linux puts lazy ram work doesnt let lay around unused may stupid question yesterday noticed free showed bufferscache free 400 1gb desktop typically run close 700 free even firefox running checked something grabbing lot memory indeed ksysguard showed kmail vmrss 380 000 typically kmail runs vmrss 30 000 40 000 happened copied messages folder one server folder another imap servers copied messages seemed kmails vmrss kept growing even passed 400 000 however settled normal use ie done copying memory use kmail remained although would expected opposite ie free memory needed copying even 6 hours later still using exactly amount memory wondering normal kmail would freed memory processes would needed longer needed copying copying finished long ago whether actually leaked memory failed free mean vmrss correspond actual reserved memory like well malloced c mean something else able reproduce bug seeing normal memory use process linux definitely sounds like bug kmail imap implementation relatively weak compared programs quite problems youre describing standard caching behaviour especially since theres possibility limit config memory leaks kmail run frequently would report youve seen bug reproduce anders madness takes toll wed 06 aug 2008 015855 0100 opensuse memory leakage normal huge amount usage ram memory 2gb free 121 mb