2025/09/16 03:01:59 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":15,"Lbs":"65534,83455618,1","Wifi":"W0,88:36:CF:60:CE:D0,81|W1,D4:83:04:EE:F1:8A,67|W2,50:0F:F5:06:70:29,66|W3,6C:B1:58:CB:4B:90,65|W4,40:62:EA:2F:45:27,63|W5,0C:72:2C:4B:76:B6,63|W6,50:BD:5F:69:C1:86,63|W7,24:A3:F0:17:B3:3D,60","FormatWifi":"88:36:CF:60:CE:D0,81,W0|D4:83:04:EE:F1:8A,67,W1|50:0F:F5:06:70:29,66,W2|6C:B1:58:CB:4B:90,65,W3|40:62:EA:2F:45:27,63,W4|0C:72:2C:4B:76:B6,63,W5|50:BD:5F:69:C1:86,63,W6|24:A3:F0:17:B3:3D,60,W7","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"1","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":1,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,15,65534,83455618,-149","nearbts":"","macs":"88:36:cf:60:ce:d0,-69,W0|d4:83:04:ee:f1:8a,-83,W1|50:0f:f5:06:70:29,-84,W2|6c:b1:58:cb:4b:90,-85,W3|40:62:ea:2f:45:27,-87,W4|0c:72:2c:4b:76:b6,-87,W5|50:bd:5f:69:c1:86,-87,W6|24:a3:f0:17:b3:3d,-90,W7","coor":"BD09LL","output":"json","ctime":"1757991719"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:05:50 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":11,"Lbs":"65534,241176893,1","Wifi":"W0,04:F9:F8:39:2D:50,75|W1,14:75:90:D4:38:94,67|W2,38:F6:CF:54:D4:CC,62|W3,C8:4C:78:4A:B7:C8,55","FormatWifi":"04:F9:F8:39:2D:50,75,W0|14:75:90:D4:38:94,67,W1|38:F6:CF:54:D4:CC,62,W2|C8:4C:78:4A:B7:C8,55,W3","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"1","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":1,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,11,65534,241176893,-149","nearbts":"","macs":"04:f9:f8:39:2d:50,-75,W0|14:75:90:d4:38:94,-83,W1|38:f6:cf:54:d4:cc,-88,W2|c8:4c:78:4a:b7:c8,-95,W3","coor":"BD09LL","output":"json","ctime":"1757991950"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:05:50 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":11,"Lbs":"65534,241176893,1","Wifi":"W0,04:F9:F8:39:2D:50,75|W1,14:75:90:D4:38:94,67|W2,38:F6:CF:54:D4:CC,62|W3,C8:4C:78:4A:B7:C8,55","FormatWifi":"04:F9:F8:39:2D:50,75,W0|14:75:90:D4:38:94,67,W1|38:F6:CF:54:D4:CC,62,W2|C8:4C:78:4A:B7:C8,55,W3","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"0","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":0,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,11,65534,241176893,-149","nearbts":"","macs":"04:f9:f8:39:2d:50,-75,W0|14:75:90:d4:38:94,-83,W1|38:f6:cf:54:d4:cc,-88,W2|c8:4c:78:4a:b7:c8,-95,W3","coor":"BD09LL","output":"json","ctime":"1757991950"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:05:50 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":11,"Lbs":"65534,241176893,1","Wifi":"","FormatWifi":null,"Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"0","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":0,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,11,65534,241176893,-149","nearbts":"","macs":"","coor":"BD09LL","output":"json","ctime":"1757991950"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:22:04 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":0,"Lbs":"13116,90271877,130|13116,219186370,128|13116,90271876,130|13116,219186371,120|13116,230838146,101","Wifi":"0,62:92:BA:D1:FC:C2,-32|1,FC:7C:02:B4:C3:D3,-53|2,42:FD:5E:57:EE:51,-55|3,42:FD:5E:57:EE:56,-56|4,30:44:87:EA:F0:3A,-68","FormatWifi":"62:92:BA:D1:FC:C2,0,-32|FC:7C:02:B4:C3:D3,1,-53|42:FD:5E:57:EE:51,2,-55|42:FD:5E:57:EE:56,3,-56|30:44:87:EA:F0:3A,4,-68","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"1","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":1,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,0,13116,90271877,-20","nearbts":"|460,0,13116,219186370,-22|460,0,13116,90271876,-20|460,0,13116,219186371,-30460,0,13116,230838146,-49","macs":"62:92:ba:d1:fc:c2,-32,0|fc:7c:02:b4:c3:d3,-53,1|42:fd:5e:57:ee:51,-55,2|42:fd:5e:57:ee:56,-56,3|30:44:87:ea:f0:3a,-68,4","coor":"BD09LL","output":"json","ctime":"1757992924"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:22:04 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":0,"Lbs":"13116,90271877,130|13116,219186370,128|13116,90271876,130|13116,219186371,120|13116,230838146,101","Wifi":"0,62:92:BA:D1:FC:C2,-32|1,FC:7C:02:B4:C3:D3,-53|2,42:FD:5E:57:EE:51,-55|3,42:FD:5E:57:EE:56,-56|4,30:44:87:EA:F0:3A,-68","FormatWifi":"62:92:BA:D1:FC:C2,0,-32|FC:7C:02:B4:C3:D3,1,-53|42:FD:5E:57:EE:51,2,-55|42:FD:5E:57:EE:56,3,-56|30:44:87:EA:F0:3A,4,-68","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"0","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":0,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,0,13116,90271877,-20","nearbts":"|460,0,13116,219186370,-22|460,0,13116,90271876,-20|460,0,13116,219186371,-30460,0,13116,230838146,-49","macs":"62:92:ba:d1:fc:c2,-32,0|fc:7c:02:b4:c3:d3,-53,1|42:fd:5e:57:ee:51,-55,2|42:fd:5e:57:ee:56,-56,3|30:44:87:ea:f0:3a,-68,4","coor":"BD09LL","output":"json","ctime":"1757992924"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:22:04 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":0,"Lbs":"13116,90271877,130|13116,219186370,128|13116,90271876,130|13116,219186371,120|13116,230838146,101","Wifi":"","FormatWifi":null,"Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"0","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":0,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,0,13116,90271877,-20","nearbts":"|460,0,13116,219186370,-22|460,0,13116,90271876,-20|460,0,13116,219186371,-30460,0,13116,230838146,-49","macs":"","coor":"BD09LL","output":"json","ctime":"1757992924"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:30:52 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":11,"Lbs":"65534,241176893,1","Wifi":"W0,04:F9:F8:39:2D:50,76|W1,14:75:90:D4:38:94,64|W2,D4:84:09:37:EC:64,60|W3,4C:10:D5:99:F7:FD,58","FormatWifi":"04:F9:F8:39:2D:50,76,W0|14:75:90:D4:38:94,64,W1|D4:84:09:37:EC:64,60,W2|4C:10:D5:99:F7:FD,58,W3","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"1","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":1,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,11,65534,241176893,-149","nearbts":"","macs":"04:f9:f8:39:2d:50,-74,W0|14:75:90:d4:38:94,-86,W1|d4:84:09:37:ec:64,-90,W2|4c:10:d5:99:f7:fd,-92,W3","coor":"BD09LL","output":"json","ctime":"1757993452"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:30:52 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":11,"Lbs":"65534,241176893,1","Wifi":"W0,04:F9:F8:39:2D:50,76|W1,14:75:90:D4:38:94,64|W2,D4:84:09:37:EC:64,60|W3,4C:10:D5:99:F7:FD,58","FormatWifi":"04:F9:F8:39:2D:50,76,W0|14:75:90:D4:38:94,64,W1|D4:84:09:37:EC:64,60,W2|4C:10:D5:99:F7:FD,58,W3","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"0","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":0,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,11,65534,241176893,-149","nearbts":"","macs":"04:f9:f8:39:2d:50,-74,W0|14:75:90:d4:38:94,-86,W1|d4:84:09:37:ec:64,-90,W2|4c:10:d5:99:f7:fd,-92,W3","coor":"BD09LL","output":"json","ctime":"1757993452"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:30:52 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":11,"Lbs":"65534,241176893,1","Wifi":"","FormatWifi":null,"Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"0","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":0,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,11,65534,241176893,-149","nearbts":"","macs":"","coor":"BD09LL","output":"json","ctime":"1757993452"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:33:59 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：172.18.4.216；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":11,"Lbs":"65534,241176893,1","Wifi":"W0,C4:C0:63:3D:A2:CC,90|W1,C8:3A:35:AD:53:C4,66|W2,14:75:90:D4:38:94,63","FormatWifi":"C4:C0:63:3D:A2:CC,90,W0|C8:3A:35:AD:53:C4,66,W1|14:75:90:D4:38:94,63,W2","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"1","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":1,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,11,65534,241176893,-149","nearbts":"","macs":"c4:c0:63:3d:a2:cc,-60,W0|c8:3a:35:ad:53:c4,-84,W1|14:75:90:d4:38:94,-87,W2","coor":"BD09LL","output":"json","ctime":"1757993639"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:33:59 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：172.18.4.216；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":11,"Lbs":"65534,241176893,1","Wifi":"W0,C4:C0:63:3D:A2:CC,90|W1,C8:3A:35:AD:53:C4,66|W2,14:75:90:D4:38:94,63","FormatWifi":"C4:C0:63:3D:A2:CC,90,W0|C8:3A:35:AD:53:C4,66,W1|14:75:90:D4:38:94,63,W2","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"0","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":0,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,11,65534,241176893,-149","nearbts":"","macs":"c4:c0:63:3d:a2:cc,-60,W0|c8:3a:35:ad:53:c4,-84,W1|14:75:90:d4:38:94,-87,W2","coor":"BD09LL","output":"json","ctime":"1757993639"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:33:59 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：172.18.4.216；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":11,"Lbs":"65534,241176893,1","Wifi":"","FormatWifi":null,"Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"0","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":0,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,11,65534,241176893,-149","nearbts":"","macs":"","coor":"BD09LL","output":"json","ctime":"1757993639"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:34:00 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：172.18.4.216；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":15,"Lbs":"65534,83455618,1","Wifi":"W0,88:36:CF:60:CE:D0,82|W1,0C:72:2C:4B:76:B6,67|W2,D4:83:04:EE:F1:8A,66|W3,6C:B1:58:CB:4B:90,64|W4,50:BD:5F:69:C1:86,64|W5,50:0F:F5:06:70:29,64|W6,40:62:EA:2F:45:27,63|W7,24:A3:F0:17:B3:3D,63","FormatWifi":"88:36:CF:60:CE:D0,82,W0|0C:72:2C:4B:76:B6,67,W1|D4:83:04:EE:F1:8A,66,W2|6C:B1:58:CB:4B:90,64,W3|50:BD:5F:69:C1:86,64,W4|50:0F:F5:06:70:29,64,W5|40:62:EA:2F:45:27,63,W6|24:A3:F0:17:B3:3D,63,W7","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"1","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":1,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,15,65534,83455618,-149","nearbts":"","macs":"88:36:cf:60:ce:d0,-68,W0|0c:72:2c:4b:76:b6,-83,W1|d4:83:04:ee:f1:8a,-84,W2|6c:b1:58:cb:4b:90,-86,W3|50:bd:5f:69:c1:86,-86,W4|50:0f:f5:06:70:29,-86,W5|40:62:ea:2f:45:27,-87,W6|24:a3:f0:17:b3:3d,-87,W7","coor":"BD09LL","output":"json","ctime":"1757993640"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:42:01 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：2001:0:348b:fb58:2c74:3f1c:87b2:b628；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":15,"Lbs":"65534,83455618,1","Wifi":"W0,88:36:CF:60:CE:D0,81|W1,50:0F:F5:06:70:29,67|W2,0C:72:2C:4B:76:B6,65|W3,D4:83:04:EE:F1:8A,65|W4,2E:B2:1A:56:30:39,64|W5,50:BD:5F:69:C1:86,63|W6,6C:B1:58:CB:4B:90,63","FormatWifi":"88:36:CF:60:CE:D0,81,W0|50:0F:F5:06:70:29,67,W1|0C:72:2C:4B:76:B6,65,W2|D4:83:04:EE:F1:8A,65,W3|2E:B2:1A:56:30:39,64,W4|50:BD:5F:69:C1:86,63,W5|6C:B1:58:CB:4B:90,63,W6","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"1","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":1,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,15,65534,83455618,-149","nearbts":"","macs":"88:36:cf:60:ce:d0,-69,W0|50:0f:f5:06:70:29,-83,W1|0c:72:2c:4b:76:b6,-85,W2|d4:83:04:ee:f1:8a,-85,W3|2e:b2:1a:56:30:39,-86,W4|50:bd:5f:69:c1:86,-87,W5|6c:b1:58:cb:4b:90,-87,W6","coor":"BD09LL","output":"json","ctime":"1757994121"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.
2025/09/16 03:44:50 : Info : imei:   map: baidu 
 	 请求服务器：本机IP地址：172.18.4.216；端口号：7621 
 	 OriginalData：{"Mcc":460,"Mnc":15,"Lbs":"65534,105709057,1","Wifi":"W0,0A:74:9C:75:DE:9A,66|W1,06:74:9C:75:DE:9A,65|W2,06:74:9C:75:DE:D6,64","FormatWifi":"0A:74:9C:75:DE:9A,66,W0|06:74:9C:75:DE:9A,65,W1|06:74:9C:75:DE:D6,64,W2","Lng":0.0,"Lat":0.0,"Network":"GSM","Imei":"","AccessType":"1","Redress":false} 
 	 RequestUrl： https://api.map.baidu.com/locapi/v2
 	 RequestData：{"key":"qqlFLPg7YUMfRrHGoZauHPYG2Iwfz5jc","src":"28","prod":"","ver":"1.0","trace":false,"body":[{"accesstype":1,"cdma":0,"imei":"352315022221111","network":"GSM","bts":"460,15,65534,105709057,-149","nearbts":"","macs":"0a:74:9c:75:de:9a,-84,W0|06:74:9c:75:de:9a,-85,W1|06:74:9c:75:de:d6,-86,W2","coor":"BD09LL","output":"json","ctime":"1757994290"}]} 
 	  错误信息：Failed to authenticate for exceeding concurrency.