1. Read state, oh, I need to delete all this. 2. Read state, oh, I need to write all this. 2. Writes 1. Deletes Or some variant of that anyway. It happens i

1. Read state, oh, I need to delete all this. 2. Read state, oh, I need to write all this. 2. Writes 1. Deletes Or some variant of that anyway. It happens in any system that has concurrent reader/writers and no locks.