2016-10-25T08:31:55.748+0000 I NETWORK [repl writer worker 10] Socket recv() timeout 10.0.72.214:10002 2016-10-25T08:31:55.748+0000 I NETWORK [repl writer worker 10] SocketException: remote: (NONE):0 error: 9001 socket exception [RECV_TIMEOUT] server [10.0.72.214:10002] 2016-10-25T08:31:55.748+0000 I NETWORK [repl writer worker 10] DBClientCursor::init call() failed 2016-10-25T08:31:55.748+0000 E REPL [repl writer worker 10] assertion fetching missing object: DBClientBase::findN: transport error: mms-mongo-1-106.aws-production-1.3437.mongodbdns.com:10002 ns: production_app_111664.users query: { _id: ObjectId('XXXXXXXXXXXXXXXXXXXXXXXX') } 2016-10-25T08:31:55.748+0000 F REPL [repl writer worker 10] writer worker caught exception: :: caused by :: 10276 DBClientBase::findN: transport error: mms-mongo-1-106.aws-production-1.3437.mongodbdns.com:10002 ns: production_app_111664.users query: { _id: ObjectId('XXXXXXXXXXXXXXXXXXXXXXXX') } on: { ts: Timestamp 1477356460000|206, h: 1975778863001918403, v: 2, op: "u", ns: "production_app_111664.users", o2: { _id: ObjectId('XXXXXXXXXXXXXXXXXXXXXXXX') }, o: { $set: { merged_into_id: "XXXXXXXXXXXXXXXXXXXXXXXX" } } } 2016-10-25T08:31:55.748+0000 I - [repl writer worker 10] Fatal Assertion 16361 2016-10-25T08:31:55.748+0000 I - [repl writer worker 10] ***aborting after fassert() failure