settings.php配置
$settings['redis.connection']['interface'] = 'PhpRedis';
$settings['redis.connection']['host'] = '10.10.10.10';
$settings['redis.connection']['port'] = '6379';
$settings['redis.connection']['password'] = "your-redis-password";
$settings['cache_prefix'] = '1h_prd';
$settings['cache']['default'] = 'cache.backend.redis';
$settings['cache']['bins']['bootstrap'] = 'cache.backend.chainedfast';
$settings['cache']['bins']['discovery'] = 'cache.backend.chainedfast';
$settings['cache']['bins']['config'] = 'cache.backend.chainedfast';
$settings['cache']['bins']['container'] = 'cache.backend.redis';
$settings['cache']['bins']['data'] = 'cache.backend.redis';
$settings['cache']['bins']['boost'] = 'cache.backend.redis';
$settings['cache']['bins']['default'] = 'cache.backend.redis';
$settings['cache']['bins']['dynamic_page_cache'] = 'cache.backend.redis';
$settings['cache']['bins']['entity'] = 'cache.backend.redis';
$settings['cache']['bins']['menu'] = 'cache.backend.redis';
$settings['cache']['bins']['page'] = 'cache.backend.redis';
$settings['cache']['bins']['render'] = 'cache.backend.redis';
$settings['cache']['bins']['rest'] = 'cache.backend.redis';
$settings['cache']['bins']['signal'] = 'cache.backend.redis';
$settings['cache']['bins']['toolbar'] = 'cache.backend.redis';
$settings['cache']['bins']['ultimate_cron_logger'] = 'cache.backend.redis';
验证：
redis-cli
keys *
keys PREFIX:cache*
get "PREFIX:page:http://www.xxx.org.cn/node/567:html" tags
get "PREFIX:page:http://www.xxx.org.cn/node/567:html" data
del [cache-id]
drupal 8的网站，开启了page cache模块。
cache id: PREFIX:cache:page:http://example.com/[url]
通过执行redis-cli可以登录redis，执行
del [cache id]即可
参考
https://git.drupalcode.org/project/redis/-/blob/8.x-1.x/README.md https://docs.platform.sh/guides/drupal9/redis.html