0.48 stuck in boot

Configuration
1

Since 10 minutes is like this

2017-07-02 14:32:44 WARNING (MainThread) [homeassistant.setup] Setup of recorder is taking over 10 seconds.
2017-07-02 14:34:03 WARNING (MainThread) [homeassistant.setup] Setup of sensor is taking over 10 seconds.
2017-07-02 14:34:03 WARNING (MainThread) [homeassistant.setup] Setup of notify is taking over 10 seconds.
2017-07-02 14:34:03 WARNING (MainThread) [homeassistant.setup] Setup of climate is taking over 10 seconds.
2017-07-02 14:34:05 WARNING (MainThread) [homeassistant.setup] Setup of media_player is taking over 10 seconds.
2017-07-02 14:34:05 WARNING (MainThread) [homeassistant.setup] Setup of camera is taking over 10 seconds.
2017-07-02 14:34:06 WARNING (MainThread) [homeassistant.setup] Setup of light is taking over 10 seconds.
2017-07-02 14:34:06 WARNING (MainThread) [homeassistant.setup] Setup of switch is taking over 10 seconds.

2

First boot always seems to take longer. You can stop/start HA, then run sudo journalctl -fu home-assistant.service that may give you a better clue as to what is having problems.

3

I cancelled ther db log and it is loading faster, but still not loading everything after 15 minutes

4

Keep in mind that this release includes a new indexing in the DB to speed up history reads.

Creating this index - especially if you have a few days/weeks/months of historical data - will take a fair bit of time.