rpmbuild change compression format

Question

I try to pack some map files for our geoserver in an internal rpm package. For the build part, this is just to copy the files. I think this works as expected. But it takes t

Answer 1

I have used "%define _binary_payload w9.xzdio" on RHEL 6.6. As I understand, the default compression tool used in RHEL 6 is xz, but the default compression level appears to be 2, even though 7 is supposed to be xz's default. I kicked it up to 9 and some giant RPMs went from 653MB to 439MB. I was able to save a total of 1 gigabyte over the default compression.