magento2 configuration

env.php

<?php

return array (
    'backend' => array (
        'frontName' => 'webshop_admin',
    ),
    'crypt' => array (
        'key' => '355fb68f9e21189d170c1d759616cd58',
    ),
    'db' => array (
        'table_prefix' => '',
        'connection' => array (
            'default' => array (
                'host'           => 'mysqlmaster',
                'dbname'         => 'example_preinstalled_magento',
                'username'       => 'app',
                'password'       => 'yoursecuremysqldatabasepassword',
                'model'          => 'mysql4',
                'engine'         => 'innodb',
                'initStatements' => 'SET NAMES utf8;',
                'active'         => '1',
            ),
        ),
    ),
    'resource' => array (
        'default_setup' => array (
            'connection' => 'default',
        ),
    ),
    'x-frame-options' => 'SAMEORIGIN',
    'MAGE_MODE' => 'default',
    'cache_types' => array (
        'config'                 => 1,
        'layout'                 => 1,
        'block_html'             => 1,
        'collections'            => 1,
        'reflection'             => 1,
        'db_ddl'                 => 1,
        'eav'                    => 1,
        'customer_notification'  => 1,
        'full_page'              => 1,
        'config_integration'     => 1,
        'config_integration_api' => 1,
        'translate'              => 1,
        'config_webservice'      => 1,
    ),
    'http_cache_hosts' => array (
        0 => array (
            'host' => '127.0.0.1',
            'port' => '6081',
        ),
    ),
    'cache' => array(
        'frontend' => array(
            'default' => array(
                'backend' => 'Cm_Cache_Backend_Redis',
                'backend_options' => array(
                    'server'   => '127.0.0.1',
                    'database' => '0',
                    'port'     => '6379'
                ),
            ),

            'page_cache' => array(
                'backend'         => 'Cm_Cache_Backend_Redis',
                'backend_options' => array(
                    'server'        => '127.0.0.1',
                    'port'          => '6379',
                    'database'      => '1',
                    'compress_data' => '0'
                )
            )
        )
    ),
    'session' => array(
        'save' => 'redis',
        'redis' => array(
            'host'                  => 'redismaster',
            'port'                  => '6379',
            'password'              => '',
            'timeout'               => '2.5',
            'persistent_identifier' => '',
            'database'              => '2',
            'compression_threshold' => '2048',
            'compression_library'   => 'gzip',
            'log_level'             => '1',
            'max_concurrency'       => '6',
            'break_after_frontend'  => '5',
            'break_after_adminhtml' => '30',
            'first_lifetime'        => '600',
            'bot_first_lifetime'    => '60',
            'bot_lifetime'          => '7200',
            'disable_locking'       => '1',
            'min_lifetime'          => '60',
            'max_lifetime'          => '2592000',
        ),
    ),
    'install' => array (
        'date' => 'Fri, 04 Nov 2016 12:56:03 +0000',
    ),
);

Compress data under Cm_Cache_Backend_Redis: it does not need a compression_library / compression_type

for fpc: I only see compress_data ... there is no type to set? (like snappy)

for normal cache: I see no compress_data at all. Is normal cache not compressed?