> -----Original Message----- > From: A.J.Mechelynck [mailto:[EMAIL PROTECTED] > Sent: 07 April 2007 05:46 > To: Yakov Lerner > Cc: vim@vim.org; Meino Christian Cramer; Bram Moolenaar > Subject: Re: Vim freezes system ?! > > Yakov Lerner wrote: > > On 4/6/07, Yakov Lerner <[EMAIL PROTECTED]> wrote: > >> On 4/6/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > >> > Hi, > >> > > >> > I did th3 follwing: With a program, which generates random > numbers in > >> > different formats, I created a file, which consists of _one_ line > of > >> > 2097152 characters ("0"-"9","A"-"F"). > >> > > >> > To split the line into lines of 72 characters each, I started vim > and > >> > let it read the file. > >> > > >> > I postioned the cursor at position 0 and entered the following in > >> > normal mode: > >> > > >> > qq72<right>i<return><esc>0q > >> > > >> > Then I did a > >> > > >> > [EMAIL PROTECTED] > >> > > >> > After only 10 or 15 (guessed) executions of the macro the system > >> > freezes while constantly swapping (?) and became unuseable and > did no > >> > longer respond. > >> > > >> > Even the mouse pointer was nearly unmoveable... > >> > > >> > After heavily and constantly trying I managed to kill the X- > session > >> > and to 'killall -9 vim' from the console to get back my computer. > >> > >> Hello Meino "the vim killer" Cramer, > >> I tried your scenario. You need to add 'set ul=-1' to disable > undoes, and > >> 'set lz' to disable excess redraws. Even then, vim goes rather slow > at > >> this task. > >> > >> Indeed, vim grows to >1000MB vm/rss size > >> size in matter of one minute without ul=-1 (, and growing very fast. > ) > > > > The thing I find strange here is that values of 'maxmem', 'maxmemtot' > were: > > > > :set mm? mmt? > > maxmem=643272 > > maxmemtot=643272 > > > > , yet vim grew past x2.5 times that limits (with default 'ul') > > without messages. > > Is this expected behaviour ? > > > > Yakov > > > > I have > maxmapdepth=1000 > maxmempattern=1000 > maxmem=249 > maxmemtot=249 > > which strikes me as strange (even though the last three are in KB) > since I > never set them and the docs say maxmem is usually at least 256 and > maxmemtot > at least 2048. And I don't have a tiny bitty box: my total installed > RAM is 2 GB.
Just to add more to the confusion, on my box (RedHat Enterprise Linux, 512Mb Ram) I have maxmapdepth=1000 maxmempattern=1000 maxmem=257676 maxmemtot=257676 Which tells me the last two can hardly be in kb and all over I don't understand what really they mean. ---Zdenek
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