Use global threadpool in prefix cache
Use global threadpool in prefix cache

raster-foundry/raster-foundry,aaronxsu/raster-foundry,azavea/raster-foundry,azavea/raster-foundry,azavea/raster-foundry,aaronxsu/raster-foundry,azavea/raster-foundry,azavea/raster-foundry,raster-foundry/raster-foundry,aaronxsu/raster-foundry,raster-foundry/raster-foundry,aaronxsu/raster-foundry