# cache:clean — cleans ONLY Magento's registered cache types
# Safe for production — does not touch third-party cache storage
bin/magento cache:clean config layout block_html

# cache:flush — flushes the entire cache STORAGE (Redis/file)
# Clears ALL data including third-party caches sharing the same storage
# Use for deployments, not routine cache management
bin/magento cache:flush

# Flush only specific Magento 2 cache types by name
bin/magento cache:clean full_page collections eav

# Disable/enable specific Magento 2 cache types
bin/magento cache:disable block_html full_page
bin/magento cache:enable block_html full_page

# Check status of all Magento 2 cache types
bin/magento cache:status

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:framework:Cache/etc/cache.xsd">
    <type name="vendor_custom_data"
          translate="label,description"
          instance="VendorModuleModelCacheTypeCustomData">
        <label>Vendor Custom Data</label>
        <description>Custom computed data for Vendor module</description>
    </type>
</config>

<?php
namespace VendorModuleModel;

use MagentoFrameworkAppCacheInterface;
use MagentoFrameworkSerializeSerializerInterface;

class ProductDataService
{
    private const CACHE_TYPE = 'vendor_custom_data';
    private const CACHE_TTL  = 3600; // 1 hour

    public function __construct(
        private readonly CacheInterface      $cache,
        private readonly SerializerInterface $serializer
    ) {}

    public function getExpensiveData( int $productId ): array
    {
        $cacheKey = 'vendor_product_data_' . $productId;
        $cached   = $this->cache->load( $cacheKey );

        if ( $cached ) {
            return $this->serializer->unserialize( $cached );
        }

        // Expensive computation here — only runs on cache miss
        $data = $this->computeProductData( $productId );

        $this->cache->save(
            $this->serializer->serialize( $data ),
            $cacheKey,
            [self::CACHE_TYPE],  // tag for selective invalidation
            self::CACHE_TTL
        );

        return $data;
    }

    private function computeProductData( int $productId ): array
    {
        // ... expensive calculation
        return [];
    }
}