xz -9 : Cannot allocate memory

[David Stacey <drstacey at tiscali dot co dot uk>]

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?

Many thanks,

Dave.



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