This reverts commit e33db249b53fb70dce62db3ebd82d42239bd1d9d. The change from *set to *map increases memory usage, and caused indexing OOM in some applications. Need to profile offline to bring the memory usage down.
This reverts commit e33db249b53fb70dce62db3ebd82d42239bd1d9d. The change from *set to *map increases memory usage, and caused indexing OOM in some applications. Need to profile offline to bring the memory usage down.