2026/02/02 12:02:09 : 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":"65534,241230141,1","Wifi":"W0,3C:CD:57:98:EE:7E,76|W1,00:5C:C2:51:6C:4B,64|W2,4C:77:66:70:B3:60,63|W3,A2:79:4B:CE:91:C7,61|W4,38:02:E3:01:9F:F2,59","FormatWifi":"3C:CD:57:98:EE:7E,76,W0|00:5C:C2:51:6C:4B,64,W1|4C:77:66:70:B3:60,63,W2|A2:79:4B:CE:91:C7,61,W3|38:02:E3:01:9F:F2,59,W4","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":"460,11,65534,241230141,-149","nearbts":"","macs":"3c:cd:57:98:ee:7e,-74,W0|00:5c:c2:51:6c:4b,-86,W1|4c:77:66:70:b3:60,-87,W2|a2:79:4b:ce:91:c7,-89,W3|38:02:e3:01:9f:f2,-91,W4","coor":"BD09LL","output":"json","ctime":"1770033729"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:02:50 : 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":11,"Lbs":"65534,90400050,1","Wifi":"W0,98:0D:51:22:74:98,104|W1,50:48:77:FD:DD:19,88|W2,50:48:77:AD:DD:14,87|W3,94:D9:B3:7B:3C:48,73|W4,0C:D8:6C:62:A4:2E,70|W5,3C:E8:24:A5:3E:F4,70|W6,82:83:3B:60:AA:50,69|W7,E8:84:C6:CD:43:40,67|W8,1A:60:5B:53:17:95,65|W9,5C:E8:D3:21:26:C5,60","FormatWifi":"98:0D:51:22:74:98,104,W0|50:48:77:FD:DD:19,88,W1|50:48:77:AD:DD:14,87,W2|94:D9:B3:7B:3C:48,73,W3|0C:D8:6C:62:A4:2E,70,W4|3C:E8:24:A5:3E:F4,70,W5|82:83:3B:60:AA:50,69,W6|E8:84:C6:CD:43:40,67,W7|1A:60:5B:53:17:95,65,W8|5C:E8:D3:21:26:C5,60,W9","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":"460,11,65534,90400050,-149","nearbts":"","macs":"98:0d:51:22:74:98,-46,W0|50:48:77:fd:dd:19,-62,W1|50:48:77:ad:dd:14,-63,W2|94:d9:b3:7b:3c:48,-77,W3|0c:d8:6c:62:a4:2e,-80,W4|3c:e8:24:a5:3e:f4,-80,W5|82:83:3b:60:aa:50,-81,W6|e8:84:c6:cd:43:40,-83,W7|1a:60:5b:53:17:95,-85,W8|5c:e8:d3:21:26:c5,-90,W9","coor":"BD09LL","output":"json","ctime":"1770033770"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:02:50 : 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":11,"Lbs":"65534,90400050,1","Wifi":"W0,98:0D:51:22:74:98,104|W1,50:48:77:FD:DD:19,88|W2,50:48:77:AD:DD:14,87|W3,94:D9:B3:7B:3C:48,73|W4,0C:D8:6C:62:A4:2E,70|W5,3C:E8:24:A5:3E:F4,70|W6,82:83:3B:60:AA:50,69|W7,E8:84:C6:CD:43:40,67|W8,1A:60:5B:53:17:95,65|W9,5C:E8:D3:21:26:C5,60","FormatWifi":"98:0D:51:22:74:98,104,W0|50:48:77:FD:DD:19,88,W1|50:48:77:AD:DD:14,87,W2|94:D9:B3:7B:3C:48,73,W3|0C:D8:6C:62:A4:2E,70,W4|3C:E8:24:A5:3E:F4,70,W5|82:83:3B:60:AA:50,69,W6|E8:84:C6:CD:43:40,67,W7|1A:60:5B:53:17:95,65,W8|5C:E8:D3:21:26:C5,60,W9","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":"460,11,65534,90400050,-149","nearbts":"","macs":"98:0d:51:22:74:98,-46,W0|50:48:77:fd:dd:19,-62,W1|50:48:77:ad:dd:14,-63,W2|94:d9:b3:7b:3c:48,-77,W3|0c:d8:6c:62:a4:2e,-80,W4|3c:e8:24:a5:3e:f4,-80,W5|82:83:3b:60:aa:50,-81,W6|e8:84:c6:cd:43:40,-83,W7|1a:60:5b:53:17:95,-85,W8|5c:e8:d3:21:26:c5,-90,W9","coor":"BD09LL","output":"json","ctime":"1770033770"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:02:50 : 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":11,"Lbs":"65534,90400050,1","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":"460,11,65534,90400050,-149","nearbts":"","macs":"","coor":"BD09LL","output":"json","ctime":"1770033770"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:08:50 : Info : imei: map: baidu 请求服务器:本机IP地址:2001:0:14c9:d206:28b7:1fb4:87b2:b628;端口号:7621 OriginalData:{"Mcc":460,"Mnc":11,"Lbs":"65534,90400050,1","Wifi":"W0,98:0D:51:22:74:98,102|W1,50:48:77:AD:DD:14,88|W2,50:48:77:FD:DD:19,87|W3,94:D9:B3:7B:3C:48,75|W4,3C:E8:24:A5:3E:F4,69|W5,F8:6F:B0:55:DD:86,68|W6,42:EC:66:AD:0D:C2,65|W7,7C:B5:9B:F0:A4:28,65|W8,1A:60:5B:53:17:95,64|W9,E8:84:C6:CD:43:40,63|W10,9C:21:6A:D8:71:D6,62|W11,5C:E8:D3:21:26:C5,58","FormatWifi":"98:0D:51:22:74:98,102,W0|50:48:77:AD:DD:14,88,W1|50:48:77:FD:DD:19,87,W2|94:D9:B3:7B:3C:48,75,W3|3C:E8:24:A5:3E:F4,69,W4|F8:6F:B0:55:DD:86,68,W5|42:EC:66:AD:0D:C2,65,W6|7C:B5:9B:F0:A4:28,65,W7|1A:60:5B:53:17:95,64,W8|E8:84:C6:CD:43:40,63,W9|9C:21:6A:D8:71:D6,62,W10|5C:E8:D3:21:26:C5,58,W11","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":"460,11,65534,90400050,-149","nearbts":"","macs":"98:0d:51:22:74:98,-48,W0|50:48:77:ad:dd:14,-62,W1|50:48:77:fd:dd:19,-63,W2|94:d9:b3:7b:3c:48,-75,W3|3c:e8:24:a5:3e:f4,-81,W4|f8:6f:b0:55:dd:86,-82,W5|42:ec:66:ad:0d:c2,-85,W6|7c:b5:9b:f0:a4:28,-85,W7|1a:60:5b:53:17:95,-86,W8|e8:84:c6:cd:43:40,-87,W9|9c:21:6a:d8:71:d6,-88,W10|5c:e8:d3:21:26:c5,-92,W11","coor":"BD09LL","output":"json","ctime":"1770034130"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:08:50 : Info : imei: map: baidu 请求服务器:本机IP地址:2001:0:14c9:d206:28b7:1fb4:87b2:b628;端口号:7621 OriginalData:{"Mcc":460,"Mnc":11,"Lbs":"65534,90400050,1","Wifi":"W0,98:0D:51:22:74:98,102|W1,50:48:77:AD:DD:14,88|W2,50:48:77:FD:DD:19,87|W3,94:D9:B3:7B:3C:48,75|W4,3C:E8:24:A5:3E:F4,69|W5,F8:6F:B0:55:DD:86,68|W6,42:EC:66:AD:0D:C2,65|W7,7C:B5:9B:F0:A4:28,65|W8,1A:60:5B:53:17:95,64|W9,E8:84:C6:CD:43:40,63|W10,9C:21:6A:D8:71:D6,62|W11,5C:E8:D3:21:26:C5,58","FormatWifi":"98:0D:51:22:74:98,102,W0|50:48:77:AD:DD:14,88,W1|50:48:77:FD:DD:19,87,W2|94:D9:B3:7B:3C:48,75,W3|3C:E8:24:A5:3E:F4,69,W4|F8:6F:B0:55:DD:86,68,W5|42:EC:66:AD:0D:C2,65,W6|7C:B5:9B:F0:A4:28,65,W7|1A:60:5B:53:17:95,64,W8|E8:84:C6:CD:43:40,63,W9|9C:21:6A:D8:71:D6,62,W10|5C:E8:D3:21:26:C5,58,W11","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":"460,11,65534,90400050,-149","nearbts":"","macs":"98:0d:51:22:74:98,-48,W0|50:48:77:ad:dd:14,-62,W1|50:48:77:fd:dd:19,-63,W2|94:d9:b3:7b:3c:48,-75,W3|3c:e8:24:a5:3e:f4,-81,W4|f8:6f:b0:55:dd:86,-82,W5|42:ec:66:ad:0d:c2,-85,W6|7c:b5:9b:f0:a4:28,-85,W7|1a:60:5b:53:17:95,-86,W8|e8:84:c6:cd:43:40,-87,W9|9c:21:6a:d8:71:d6,-88,W10|5c:e8:d3:21:26:c5,-92,W11","coor":"BD09LL","output":"json","ctime":"1770034130"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:08:50 : Info : imei: map: baidu 请求服务器:本机IP地址:2001:0:14c9:d206:28b7:1fb4:87b2:b628;端口号:7621 OriginalData:{"Mcc":460,"Mnc":11,"Lbs":"65534,90400050,1","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":"460,11,65534,90400050,-149","nearbts":"","macs":"","coor":"BD09LL","output":"json","ctime":"1770034130"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:22:10 : Info : imei: map: baidu 请求服务器:本机IP地址:2001:0:14c9:d206:28b7:1fb4:87b2:b628;端口号:7621 OriginalData:{"Mcc":460,"Mnc":11,"Lbs":"65534,241230141,1","Wifi":"W0,3C:CD:57:98:EE:7E,76|W1,04:F9:F8:D3:C5:ED,64|W2,00:5C:C2:51:6C:4B,63|W3,4C:77:66:70:B3:60,61","FormatWifi":"3C:CD:57:98:EE:7E,76,W0|04:F9:F8:D3:C5:ED,64,W1|00:5C:C2:51:6C:4B,63,W2|4C:77:66:70:B3:60,61,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":"460,11,65534,241230141,-149","nearbts":"","macs":"3c:cd:57:98:ee:7e,-74,W0|04:f9:f8:d3:c5:ed,-86,W1|00:5c:c2:51:6c:4b,-87,W2|4c:77:66:70:b3:60,-89,W3","coor":"BD09LL","output":"json","ctime":"1770034930"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:30:49 : Info : imei: map: baidu 请求服务器:本机IP地址:2001:0:14c9:d206:28b7:1fb4:87b2:b628;端口号:7621 OriginalData:{"Mcc":460,"Mnc":15,"Lbs":"65534,188078082,1","Wifi":"W0,E0:F3:18:C8:DC:32,107|W1,64:64:4A:D2:51:BB,96|W2,1C:67:4A:25:B5:28,90|W3,08:40:F3:DC:D1:41,87|W4,1C:67:4A:44:46:A8,87|W5,24:69:8E:92:D8:16,72|W6,90:76:9F:47:D9:8C,71|W7,6C:59:40:A2:50:8A,70|W8,78:60:5B:4E:A1:6F,68|W9,DC:D8:7C:4B:3A:21,65","FormatWifi":"E0:F3:18:C8:DC:32,107,W0|64:64:4A:D2:51:BB,96,W1|1C:67:4A:25:B5:28,90,W2|08:40:F3:DC:D1:41,87,W3|1C:67:4A:44:46:A8,87,W4|24:69:8E:92:D8:16,72,W5|90:76:9F:47:D9:8C,71,W6|6C:59:40:A2:50:8A,70,W7|78:60:5B:4E:A1:6F,68,W8|DC:D8:7C:4B:3A:21,65,W9","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":"460,15,65534,188078082,-149","nearbts":"","macs":"e0:f3:18:c8:dc:32,-43,W0|64:64:4a:d2:51:bb,-54,W1|1c:67:4a:25:b5:28,-60,W2|08:40:f3:dc:d1:41,-63,W3|1c:67:4a:44:46:a8,-63,W4|24:69:8e:92:d8:16,-78,W5|90:76:9f:47:d9:8c,-79,W6|6c:59:40:a2:50:8a,-80,W7|78:60:5b:4e:a1:6f,-82,W8|dc:d8:7c:4b:3a:21,-85,W9","coor":"BD09LL","output":"json","ctime":"1770035449"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:30:49 : Info : imei: map: baidu 请求服务器:本机IP地址:2001:0:14c9:d206:28b7:1fb4:87b2:b628;端口号:7621 OriginalData:{"Mcc":460,"Mnc":15,"Lbs":"65534,188078082,1","Wifi":"W0,E0:F3:18:C8:DC:32,107|W1,64:64:4A:D2:51:BB,96|W2,1C:67:4A:25:B5:28,90|W3,08:40:F3:DC:D1:41,87|W4,1C:67:4A:44:46:A8,87|W5,24:69:8E:92:D8:16,72|W6,90:76:9F:47:D9:8C,71|W7,6C:59:40:A2:50:8A,70|W8,78:60:5B:4E:A1:6F,68|W9,DC:D8:7C:4B:3A:21,65","FormatWifi":"E0:F3:18:C8:DC:32,107,W0|64:64:4A:D2:51:BB,96,W1|1C:67:4A:25:B5:28,90,W2|08:40:F3:DC:D1:41,87,W3|1C:67:4A:44:46:A8,87,W4|24:69:8E:92:D8:16,72,W5|90:76:9F:47:D9:8C,71,W6|6C:59:40:A2:50:8A,70,W7|78:60:5B:4E:A1:6F,68,W8|DC:D8:7C:4B:3A:21,65,W9","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":"460,15,65534,188078082,-149","nearbts":"","macs":"e0:f3:18:c8:dc:32,-43,W0|64:64:4a:d2:51:bb,-54,W1|1c:67:4a:25:b5:28,-60,W2|08:40:f3:dc:d1:41,-63,W3|1c:67:4a:44:46:a8,-63,W4|24:69:8e:92:d8:16,-78,W5|90:76:9f:47:d9:8c,-79,W6|6c:59:40:a2:50:8a,-80,W7|78:60:5b:4e:a1:6f,-82,W8|dc:d8:7c:4b:3a:21,-85,W9","coor":"BD09LL","output":"json","ctime":"1770035449"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:30:49 : Info : imei: map: baidu 请求服务器:本机IP地址:2001:0:14c9:d206:28b7:1fb4:87b2:b628;端口号:7621 OriginalData:{"Mcc":460,"Mnc":15,"Lbs":"65534,188078082,1","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":"460,15,65534,188078082,-149","nearbts":"","macs":"","coor":"BD09LL","output":"json","ctime":"1770035449"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:42:03 : Info : imei: map: baidu 请求服务器:本机IP地址:2001:0:14c9:d206:28b7:1fb4:87b2:b628;端口号:7621 OriginalData:{"Mcc":460,"Mnc":11,"Lbs":"65534,54993243,1","Wifi":"W0,A2:9E:27:27:71:DC,59|W1,D4:84:09:88:65:BE,59","FormatWifi":"A2:9E:27:27:71:DC,59,W0|D4:84:09:88:65:BE,59,W1","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":"460,11,65534,54993243,-149","nearbts":"","macs":"a2:9e:27:27:71:dc,-91,W0|d4:84:09:88:65:be,-91,W1","coor":"BD09LL","output":"json","ctime":"1770036123"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:42:11 : Info : imei: map: baidu 请求服务器:本机IP地址:2001:0:14c9:d206:28b7:1fb4:87b2:b628;端口号:7621 OriginalData:{"Mcc":460,"Mnc":11,"Lbs":"65534,241230141,1","Wifi":"W0,3C:CD:57:98:EE:7E,77|W1,04:F9:F8:D3:C5:ED,67|W2,00:5C:C2:51:6C:4B,62","FormatWifi":"3C:CD:57:98:EE:7E,77,W0|04:F9:F8:D3:C5:ED,67,W1|00:5C:C2:51:6C:4B,62,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":"460,11,65534,241230141,-149","nearbts":"","macs":"3c:cd:57:98:ee:7e,-73,W0|04:f9:f8:d3:c5:ed,-83,W1|00:5c:c2:51:6c:4b,-88,W2","coor":"BD09LL","output":"json","ctime":"1770036131"}]} 错误信息:Failed to authenticate for exceeding concurrency. 2026/02/02 12:42:50 : 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":"65534,206427209,1","Wifi":"W0,F4:2A:7D:FA:30:1B,68|W1,14:51:7E:0D:99:10,76","FormatWifi":"F4:2A:7D:FA:30:1B,68,W0|14:51:7E:0D:99:10,76,W1","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":"460,15,65534,206427209,-149","nearbts":"","macs":"f4:2a:7d:fa:30:1b,-82,W0|14:51:7e:0d:99:10,-74,W1","coor":"BD09LL","output":"json","ctime":"1770036170"}]} 错误信息:Failed to authenticate for exceeding concurrency.