Restoring/serializing on start. Why?

[Maris]

[00:00:19]:    634 file(s) removed[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_4h_N8T_8_/0000005734	[00:00:19]: TOTAL_PLAYERS: 1	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_YhiKhjfu_/0000005734	[00:00:19]: TOTAL_PLAYERS: 2	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_6c5Meeax_/0000005734	[00:00:19]: TOTAL_PLAYERS: 3	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_n3VTZH0c_/0000005734	[00:00:19]: TOTAL_PLAYERS: 4	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_RhsVV1rZ_/0000005734	[00:00:19]: TOTAL_PLAYERS: 5	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_TSjWbP7O_/0000005734	[00:00:19]: TOTAL_PLAYERS: 6	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_ns6pHwvO_/0000005734	[00:00:19]: TOTAL_PLAYERS: 7	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_NQpv5-q-_/0000005734	[00:00:19]: TOTAL_PLAYERS: 8	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_5EEFco4T_/0000005734	[00:00:19]: TOTAL_PLAYERS: 9	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_m_X1IPC8_/0000005734	[00:00:19]: TOTAL_PLAYERS: 10	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_ZUf1fPWR_/0000005734	[00:00:19]: TOTAL_PLAYERS: 11	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_7qt_cS3I_/0000005734	[00:00:19]: TOTAL_PLAYERS: 12	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_3BoWqTWD_/0000005734	[00:00:19]: TOTAL_PLAYERS: 13	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_-DYiIUrz_/0000005734	[00:00:19]: TOTAL_PLAYERS: 14	[00:00:19]: Restoring user session from session/02E006FF916C6B78/KU_WBRXWP9M_/0000005734	[00:00:19]: TOTAL_PLAYERS: 15	[00:00:20]: Restoring user session from session/02E006FF916C6B78/KU_TWeNsptO_/0000005734	[00:00:20]: TOTAL_PLAYERS: 16	[00:00:20]: Restoring user session from session/02E006FF916C6B78/KU_TfcmJtfs_/0000005734	[00:00:20]: TOTAL_PLAYERS: 17	[00:00:20]: Restoring user session from session/02E006FF916C6B78/KU_A8yVMkvz_/0000005734	[00:00:20]: TOTAL_PLAYERS: 18	[00:00:20]: Restoring user session from session/02E006FF916C6B78/KU_Dui2Pba9_/0000005734	[00:00:20]: TOTAL_PLAYERS: 19	[00:00:20]: Restoring user session from session/02E006FF916C6B78/KU_1d9crxAV_/0000005734	[00:00:20]: TOTAL_PLAYERS: 20	[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_YhiKhjfu_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_RhsVV1rZ_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_TfcmJtfs_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_3BoWqTWD_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_Dui2Pba9_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_6c5Meeax_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_ns6pHwvO_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_TWeNsptO_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_TSjWbP7O_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_m_X1IPC8_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_WBRXWP9M_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_1d9crxAV_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_-DYiIUrz_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_NQpv5-q-_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_A8yVMkvz_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_7qt_cS3I_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_ZUf1fPWR_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_4h_N8T_8_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_n3VTZH0c_/0000005735[00:00:20]: Serializing user session to session/02E006FF916C6B78/KU_5EEFco4T_/0000005735[00:00:20]: 1 uploads added to server. From server_temp