Problem
See the logs getting filled with the following at -vv log level (approx 10 a second)
2014-12-05T10:42:07.044-0800 D JOURNAL [journal] journal REMAPPRIVATEVIEW done startedAt: 0 n:1 0ms 2014-12-05T10:42:07.149-0800 D JOURNAL [journal] journal REMAPPRIVATEVIEW done startedAt: 1 n:1 0ms 2014-12-05T10:42:07.254-0800 D JOURNAL [journal] journal REMAPPRIVATEVIEW done startedAt: 0 n:1 0ms 2014-12-05T10:42:07.359-0800 D JOURNAL [journal] journal REMAPPRIVATEVIEW done startedAt: 1 n:1 0ms 2014-12-05T10:42:07.464-0800 D JOURNAL [journal] journal REMAPPRIVATEVIEW done startedAt: 0 n:1 0ms 2014-12-05T10:42:07.579-0800 D JOURNAL [journal] journal REMAPPRIVATEVIEW done startedAt: 1 n:1 0ms 2014-12-05T10:42:07.684-0800 D JOURNAL [journal] journal REMAPPRIVATEVIEW done startedAt: 0 n:1 0ms 2014-12-05T10:42:07.788-0800 D JOURNAL [journal] journal REMAPPRIVATEVIEW done startedAt: 1 n:1 0ms 2014-12-05T10:42:07.892-0800 D JOURNAL [journal] journal REMAPPRIVATEVIEW done startedAt: 0 n:1 0ms 2014-12-05T10:42:07.998-0800 D JOURNAL [journal] journal REMAPPRIVATEVIEW done startedAt: 1 n:1 0ms
mongod is "idle" ie. no client load.