mongo tips

crusor 不过期

1
no_cursor_timeout=True

创建分片键

1
sh.shardCollection( "hula.relationship", {"fromUserId":1,"toUserId":1})

golang 连接

src/vendor/go.mongodb.org/mongo-driver/x/mongo/driver/topology/connection.go

106 行

go cfg.descCallback(c.desc)