momgodb关联查询几万条数据失败???
db.getCollection('v1_block_5b179b61ff2da217e05bf7c0').aggregate([
{
$lookup:
{
from: "v1_block_5b17938dff2da217e05bf7b8",
localField: "data_nurse_project_id",
foreignField: "data_id",
as: "np"
}
},
{
$lookup:
{
from: "v1_block_5b179112ff2da217e05bf7b6",
localField: "data_service_provider_id",
foreignField: "data_services_id",
as: "xhs"
}
},
{$match:
{data_order_type:"3"}
}
])
这样写,当查询几千条数据的时候还挺快的,但是当数据增加到6w条的时候数据库直接查不出数据了,页面也开始出现未响应的情况,大神们怎么解决???