Over many months I see that the table cache_views_data.ibd fills the disk extremly. On my site it has grown to 18 GB where the rest of the raw data is very small.
It looks like views cache is not cleaned up by cron. Is this a known bug?
Fixed
2.10
Views Data
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
I found this issue after the cache_page table (cache_page.ibd) in my MariaDB database was filled up, and the database couldn't restart. The cache_page table ballooned with several GB's in a short time, up to 30GB. The solution was to set a maximum number of rows for caching, see
Database cache bins are now fixed size — no more unlimited growth →
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