		`@@ -4093,7 +4093,7 @@`
		`'xz-cp-%s-%s.log' % (format, self.arch))`
		`log_output(self.session, cmd[0], cmd, conlog, self.getUploadDir(),`
		`logerror=1)`
		`- cmd = ['/usr/bin/xz', '-z9T2', rawimg]`
		`+ cmd = ['/usr/bin/xz', self.options.xz_options, rawimg]`
		`conlog = os.path.join(self.workdir,`
		`'xz-%s-%s.log' % (format, self.arch))`
		`log_output(self.session, cmd[0], cmd, conlog, self.getUploadDir(),`
		`@@ -6371,6 +6371,7 @@`
		`'failed_buildroot_lifetime': 3600 * 4,`
		`'rpmbuild_timeout': 3600 * 24,`
		`'oz_install_timeout': 0,`
		`+ 'xz_options': '-z6T0',`
		`'task_avail_delay': 300,`
		`'cert': None,`
		`'ca': '', # FIXME: Unused, remove in next major release`

		`@@ -116,6 +116,9 @@`
		`;if set to True, failing subtask will not automatically cancel other siblings`
		`;build_arch_can_fail = False`

		`+ ;image build with raw-xz type will use following xz options`
		`+ ;xz_options=-z6T0`
		`+`
		`;if set to True additional logs with timestamps will get created and uploaded`
		`;to hub. It could be useful for debugging purposes, but creates twice as many`
		`;log files`

		`@@ -170,6 +170,11 @@`
		`This value is used for waiting on all xmlrpc calls to hub. By default`
		`there is no timeout set.`

		`+ xz_options=-z6T0`
		+ Image builds with ``raw-xz`` type will use this setting when compressing
		`+ the image. Default value is compromise between speed and resource usage.`
		`+ Only one option (not space-separated) is allowed here for now.`
		`+`
		`RPM Builds`
		`^^^^^^^^^^`
		`.. glossary::`