Magento 2 upgrade errors when using Redis cache

Maybe they have fixed it in the meantime, but upgrading the core Magento 2 failed with a lot of errors, when making use of Redis cache. Which, I must say, is a performance booster. So, to prevent that, before upgrading the Magento 2 core, type in: redis-cli FLUSHALL on the command line before upgrading and […]

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