On 2012-11-15 05:40, marco atzeri wrote: > On 11/14/2012 11:09 PM, David Stacey wrote: >> I am trying to use 'xz -9' to compress a file, but the programme exits >> with the error message 'Cannot allocate memory'. Here's what I tried: >> >> >> $ echo Hello World > compress_me.txt >> >> $ xz -9 compress_me.txt >> xz: compress_me.txt: Cannot allocate memory >> >> $ xz --version >> xz (XZ Utils) 5.0.2 >> liblzma 5.0.2 >> >> >> Having read http://cygwin.com/cygwin-ug-net/setup-maxmem.html I tried >> the following: >> >> >> $ peflags --cygwin-heap /usr/bin/xz.exe >> /usr/bin/xz.exe: initial Cygwin heap size: 0 (0x0) MB >> >> $ peflags --cygwin-heap=1024 /usr/bin/xz.exe >> /usr/bin/xz.exe: initial Cygwin heap size: 1024 (0x400) MB >> >> $ xz -9 compress_me.txt >> >> >> And this worked. Is this the correct way to fix the problem? If so, >> please could we increment the heap size for xz in a post install script? > > a lot of programs have "Cygwin heap size: 0 (0x0) MB" > but they work anyway > > so the root cause is somewhere else.
xz is notorious for its big up-front allocations, at least with some of the more aggressive options in effect. Cheers, Peter -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
