The Service container is cached by default in the database. I would like to know at what times it is rebuilt. When I do e.g. drush search-status I see an 'INSERT INTO cache_container' in my MySQL query log. Why is that? Nothing changed.
Fixed
8.1 ⚰️
base system
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Service container cache is rebuild if you clear the `container` cache. drush cc container.
This cache clear command is a part of drush cr.
If you want to clear the container cache separately from other caches, you mat want to use the deployment_identifier.