mongos end connection frequently

[jayren1...@163.com]

Hi All

   Today I find lots of "end connection" in mongos log. [mongosMain] connection accepted and soon end connection. I really want to know why
My mongos is of version 2.2.0

Tue Feb 26 14:36:17 [mongosMain] connection accepted from 127.0.0.1:52177 #19733 (85 connections now open)
Tue Feb 26 14:36:17 [conn19733] end connection 127.0.0.1:52177 (84 connections now open)
Tue Feb 26 14:39:09 [mongosMain] connection accepted from 127.0.0.1:52184 #19734 (85 connections now open)
Tue Feb 26 14:39:09 [conn19734] end connection 127.0.0.1:52184 (84 connections now open)
Tue Feb 26 14:42:10 [mongosMain] connection accepted from 127.0.0.1:52193 #19735 (85 connections now open)
Tue Feb 26 14:42:10 [conn19735] end connection 127.0.0.1:52193 (84 connections now open)
Tue Feb 26 14:45:24 [mongosMain] connection accepted from 127.0.0.1:52203 #19736 (85 connections now open)
Tue Feb 26 14:45:24 [conn19736] end connection 127.0.0.1:52203 (84 connections now open)
Tue Feb 26 14:48:13 [mongosMain] connection accepted from 127.0.0.1:52211 #19737 (85 connections now open)
Tue Feb 26 14:48:13 [conn19737] end connection 127.0.0.1:52211 (84 connections now open)
Tue Feb 26 14:51:11 [mongosMain] connection accepted from 127.0.0.1:52220 #19738 (85 connections now open)
Tue Feb 26 14:51:11 [conn19738] end connection 127.0.0.1:52220 (84 connections now open)
Tue Feb 26 14:54:15 [mongosMain] connection accepted from 127.0.0.1:52230 #19739 (85 connections now open)
Tue Feb 26 14:54:15 [conn19739] end connection 127.0.0.1:52230 (84 connections now open)
Tue Feb 26 14:57:18 [mongosMain] connection accepted from 127.0.0.1:52240 #19740 (85 connections now open)
Tue Feb 26 14:57:18 [conn19740] end connection 127.0.0.1:52240 (84 connections now open)
Tue Feb 26 15:00:05 [mongosMain] connection accepted from 127.0.0.1:52247 #19741 (85 connections now open)
Tue Feb 26 15:00:05 [conn19741] end connection 127.0.0.1:52247 (84 connections now open)
Tue Feb 26 15:03:22 [mongosMain] connection accepted from 127.0.0.1:52258 #19742 (85 connections now open)
Tue Feb 26 15:03:22 [conn19742] end connection 127.0.0.1:52258 (84 connections now open)
Tue Feb 26 15:06:15 [mongosMain] connection accepted from 127.0.0.1:52267 #19743 (85 connections now open)
Tue Feb 26 15:06:15 [conn19743] end connection 127.0.0.1:52267 (84 connections now open)
Tue Feb 26 15:09:22 [mongosMain] connection accepted from 127.0.0.1:52276 #19744 (85 connections now open)
Tue Feb 26 15:09:22 [conn19744] end connection 127.0.0.1:52276 (84 connections now open)
Tue Feb 26 15:12:17 [mongosMain] connection accepted from 127.0.0.1:52284 #19745 (85 connections now open)
Tue Feb 26 15:12:17 [conn19745] end connection 127.0.0.1:52284 (84 connections now open)
Tue Feb 26 15:15:14 [mongosMain] connection accepted from 127.0.0.1:52294 #19746 (85 connections now open)
Tue Feb 26 15:15:14 [conn19746] end connection 127.0.0.1:52294 (84 connections now open)
Tue Feb 26 15:18:07 [mongosMain] connection accepted from 127.0.0.1:52303 #19747 (85 connections now open)
Tue Feb 26 15:18:07 [conn19747] end connection 127.0.0.1:52303 (84 connections now open)
Tue Feb 26 15:21:08 [mongosMain] connection accepted from 127.0.0.1:52312 #19748 (85 connections now open)
Tue Feb 26 15:21:08 [conn19748] end connection 127.0.0.1:52312 (84 connections now open)

[Scott Hernandez]

This was posted to mongodb-user already:
https://groups.google.com/group/mongodb-user/browse_thread/thread/cef68d22c32f7715

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