Mon Spawners

The rate at mobs spawn in mob Spawners I think is way to slow, this is how most people that play hardcore or survival to get exp. I think it should e changed. The next this is the mob spawners drops they don't drop as much,
Example: If I kill 10 spiders spawned from a spawner before I would drop maybe 9-11 with a regular sword if I killed it now it may only drop 6 or 4. Please
Fix it.