The Revisionator module clean up insightly old revisions! Revisionator removes
revisions older than the specified age, leaving a minimum number of revisions
per node.
Field modules don't always add indexes for its columns (value column of text field for example), this leads to poor performance in views when we would like sort or filter views using the unindexed
A pretty darn quick cache. Uses asynchronous connections & prefetching to speed up cache calls & eliminate deadlocks & metadata locks on the cache tables.