Overriding the defaults

You can override the defaults for compression and decompression with the Integrated Accelerator for zEDC.

7.1 LPAR mode z/VM guest KVM guest

Overrides for applications
Use the DFLTCC and DFLTCC_LEVEL_MASK environment variables to override the defaults for Java™ applications and, generally, for applications that use zlib or gzip in user space.
Overrides for the kernel zlib
Use the dfltcc= kernel parameter to override the defaults for the kernel zlib.

Parent topic: Data compression with the Integrated Accelerator for zEDC