mongoimport  -d blog -c posts --drop posts.json                                                                           [11:08:06]
2016-02-19T11:08:16.565-0500	connected to: localhost
2016-02-19T11:08:16.565-0500	dropping: blog.posts
2016-02-19T11:08:17.102-0500	Failed: lost connection to server
2016-02-19T11:08:17.102-0500	imported 0 documents

mongoimport -d blog -c posts --drop posts.json                                                                              [11:06:51]
connected to: 127.0.0.1
2016-02-19T11:06:55.509-0500 dropping: blog.posts
2016-02-19T11:06:58.472-0500 		Progress: 17822182/35553830	50%
2016-02-19T11:06:58.472-0500 			500	166/second
2016-02-19T11:06:59.953-0500 check 9 1000
2016-02-19T11:06:59.953-0500 imported 1000 objects

mongoimport --jsonArray -d blog -c posts --drop a.json                                                                                  [11:08:30]
2016-02-19T11:08:40.167-0500	connected to: localhost
2016-02-19T11:08:40.167-0500	dropping: blog.posts
2016-02-19T11:08:40.708-0500	Failed: lost connection to server
2016-02-19T11:08:40.708-0500	imported 0 documents

mongoimport --jsonArray -d blog -c posts --drop a.json                                                                                  [11:05:45]
connected to: 127.0.0.1
2016-02-19T11:06:47.067-0500 dropping: blog.posts
2016-02-19T11:06:50.484-0500 		Progress: 21501846/35554833	60%
2016-02-19T11:06:50.484-0500 			600	200/second
2016-02-19T11:06:51.452-0500 check 9 1000
2016-02-19T11:06:51.452-0500 imported 1000 objects

2016-02-19T11:08:40.701-0500 I -        [conn22] Assertion: 10334:BSONObj size: 33609065 (0x200D569) is invalid. Size must be between 0 and 16793600(16MB) First element: insert: "posts"
2016-02-19T11:08:40.706-0500 I CONTROL  [conn22]
 0x103b30119 0x103ae6523 0x103ad6195 0x103ad5ffa 0x10327b1b8 0x103471360 0x1032c9d5d 0x10355499f 0x10355136a 0x10325864f 0x103af289e 0x103af2041 0x7fff8cac2c13 0x7fff8cac2b90 0x7fff8cac0375
----- BEGIN BACKTRACE -----
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}, { "path" : "/usr/lib/libDiagnosticMessagesClient.dylib", "machType" : 6, "b" : "7FFF879BE000", "vmaddr" : "7FFF871EA000", "buildId" : "4243B6B421E9355B9C5A95A216233B96" } ] }}
 mongod(_ZN5mongo15printStackTraceERNSt3__113basic_ostreamIcNS0_11char_traitsIcEEEE+0x39) [0x103b30119]
 mongod(_ZN5mongo10logContextEPKc+0x163) [0x103ae6523]
 mongod(_ZN5mongo11msgassertedEiPKc+0x195) [0x103ad6195]
 mongod(_ZN5mongo11msgassertedEiRKNSt3__112basic_stringIcNS0_11char_traitsIcEENS0_9allocatorIcEEEE+0x1A) [0x103ad5ffa]
 mongod(_ZNK5mongo7BSONObj14_assertInvalidEv+0x398) [0x10327b1b8]
 mongod(_ZN5mongo9DbMessage9nextJsObjEv+0xA0) [0x103471360]
 mongod(_ZN5mongo12QueryMessageC2ERNS_9DbMessageE+0x5D) [0x1032c9d5d]
 mongod(_ZN5mongoL15receivedCommandEPNS_16OperationContextERKNS_15NamespaceStringERNS_6ClientERNS_10DbResponseERNS_7MessageE+0x8F) [0x10355499f]
 mongod(_ZN5mongo16assembleResponseEPNS_16OperationContextERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0x7EA) [0x10355136a]
 mongod(_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortE+0xFF) [0x10325864f]
 mongod(_ZN5mongo17PortMessageServer17handleIncomingMsgEPv+0x27E) [0x103af289e]
 mongod(_ZNSt3__114__thread_proxyINS_5tupleIJNS_6__bindIPFPvS3_EJPN5mongo12_GLOBAL__N_124MessagingPortWithHandlerEEEEEEEEES3_S3_+0x61) [0x103af2041]
 libsystem_pthread.dylib(_pthread_body+0x83) [0x7fff8cac2c13]
 libsystem_pthread.dylib(_pthread_body+0x0) [0x7fff8cac2b90]
 libsystem_pthread.dylib(thread_start+0xD) [0x7fff8cac0375]
-----  END BACKTRACE  -----
2016-02-19T11:08:40.708-0500 I NETWORK  [conn22] AssertionException handling request, closing client connection: 10334 BSONObj size: 33609065 (0x200D569) is invalid. Size must be between 0 and 16793600(16MB) First element: insert: "posts"
2016-02-19T11:08:40.725-0500 I NETWORK  [conn21] end connection 127.0.0.1:58280 (0 connections now open)
2016-02-19T11:13:58.692-0500 W NETWORK  [HostnameCanonicalizationWorker] Failed to obtain name info for: [ (10.4.128.115, "nodename nor servname provided, or not known"), (10.4.128.115, "nodename nor servname provided, or not known") ]