We are getting over 10K messages from mongoDB, specially with the TXN collection.

Oct  7 08:57:17 xxx mongod.37017[1097]: Wed Oct  7 08:57:17.357 [xxx] warning: log line attempted (38k) over max size(10k), printing beginning and end ... remove juju.txns query: { _id: { $in: [ ObjectId('5614b19f4c860d58fe00d3d8'), ObjectId('5614d39d4c860d58fe00f5e2'), ObjectId('5614d5f34c860d58fe00f835'), ObjectId('5614dc664c860d58fe00fea9'), ObjectId('5614aa1c4c860d58fe00cc54'), ObjectId('5614b2184c860d58fe00d450'), ObjectId('5614de2a4c860d58fe01006f'), ObjectId('5614dd1e4c860d58fe00ff67'), ObjectId('5614a6de4c860d58fe00c920'), ObjectId('5614b1294c860d58fe00d368'), ObjectId('5614d59e4c860d58fe00f7e7'), ObjectId('5614d9044c860d58fe00fb4d'), ObjectId('5614b9414c860d58fe00db83'), ObjectId('5614d8c74c860d58fe00fb0e'), ObjectId('5614ddc44c860d58fe010003'), ObjectId('5614a7724c860d58fe00c9b5'), ObjectId('5614ab424c860d58fe00cd7d'), ObjectId('5614ac3f4c860d58fe00ce80'), ObjectId('5614ad044c860d58fe00cf3f'), ObjectId('5614ad844c860d58fe00cfbf'), ObjectId('5614d0ca4c860d58fe00f30a'), ObjectId('5614d40b4c860d58fe00f64c'), ObjectId('5614d8074c860d58fe00fa48'), ObjectId('5614bf584c860d58fe00e198'), ObjectId('5614a70b4c860d58fe00c946'), ObjectId('5614b09e4c860d58fe00d2db'), ObjectId('5614abfe4c860d58fe00ce39'), ObjectId('5614bac94c860d58fe00dd0c'), ObjectId('5614c2804c860d58fe00e4be'), ObjectId('5614ab444c860d58fe00cd7f'), ObjectId('5614bcc14c860d58fe00defe'), ObjectId('5614c49f4c860d58fe00e6e4'), ObjectId('5614cd0b4c860d58fe00ef4c'), ObjectId('5614ce1b4c860d58fe00f060'), ObjectId('5614d4504c860d58fe00f693'), ObjectId('5614af274c860d58fe00d15f'), ObjectId('5614a8034c860d58fe00ca3e'), ObjectId('5614afc04c860d58fe00d1ff'), ObjectId('5614afe34c860d58fe00d225'), ObjectId('5614b8434c860d58fe00da7c'), ObjectId('5614be644c860d58fe00e0a0'), ObjectId('5614b5234c860d58fe00d75f'), ObjectId('5614b5334c860d58fe00d76f'), ObjectId('5614d2af4c860d58fe00f4f5'), ObjectId('5614b77f4c860d58fe00d9c0'), ObjectId('5614c9ff4c860d58fe00ec41'), ObjectId('5614d2c44c860d58fe00f504'), ObjectId('5614d46e4c860d58fe00f6b1'), ObjectId('5614d0af4c860d58fe00f2f3'), ObjectId('5614a6624c860d58fe00c886'), ObjectId('5614ba624c860d58fe00dc9e'), ObjectId('5614d88f4c860d58fe00fad7'), ObjectId('5614bf894c860d58fe00e1c5'), ObjectId('5614abf64c860d58fe00ce30'), ObjectId('5614bfd24c860d58fe00e214'), ObjectId('5614b3d64c860d58fe00d60f'), ObjectId('5614c0af4c860d58fe00e2eb'), ObjectId('5614c8424c860d58fe00ea8a'), ObjectId('5614c8624c860d58fe00eaaa'), ObjectId('5614ce8c4c860d58fe00f0cc'), ObjectId('5614d8524c860d58fe00fa9a'), ObjectId('5614dabc4c860d58fe00fcfc'), ObjectId('5614c8d64c860d58fe00eb1c'), ObjectId('5614c2f84c860d58fe00e536'), ObjectId('5614ccd24c860d58fe00ef18'), ObjectId('5614c7714c860d58fe00e9b3'), ObjectId('5614c5ca4c860d58fe00e810'), ObjectId('5614c9c64c860d58fe00ec0c'), ObjectId('5614cdc24c860d58fe00f008'), ObjectId('5614cd854c860d58fe00efc9'), ObjectId('5614da2d4c860d58fe00fc71'), ObjectId('5614c2714c860d58fe00e4ad'), ObjectId('5614c41a4c860d58fe00e656'), ObjectId('5614c6054c860d58fe00e849'), ObjectId('5614c6254c860d58fe00e869'), ObjectId('5614d6264c860d58fe00f866'), ObjectId('5614daa24c860d58fe00fce2'), ObjectId('5614aea94c860d58fe00d0e4'), ObjectId('5614aeb94c860d58fe00d0f4'), ObjectId('5614b3854c860d58fe00d5c8'), ObjectId('5614d76b4c860d58fe00f9ad'), ObjectId('5614d1ef4c860d58fe00f431'), ObjectId('5614c2074c860d58fe00e443'), ObjectId('5614c44e4c860d58fe00e68e'), ObjectId('5614cf704c860d58fe00f1b4'), ObjectId('5614cf954c860d58fe00f1d5'), ObjectId('5614d53d4c860d58fe00f77d'), ObjectId('5614bc2f4c860d58fe00de72'), ObjectId('5614a8624c860d58fe0 .......... tId('5614cffd4c860d58fe00f243'), ObjectId('5614c2094c860d58fe00e449'), ObjectId('5614cfda4c860d58fe00f21a'), ObjectId('5614de3d4c860d58fe01007e'), ObjectId('5614c4234c860d58fe00e660'), ObjectId('5614da6c4c860d58fe00fcb3'), ObjectId('5614afcf4c860d58fe00d20a'), ObjectId('5614b1d94c860d58fe00d414'), ObjectId('5614b1f94c860d58fe00d434'), ObjectId('5614c58f4c860d58fe00e7d7'), ObjectId('5614d5834c860d58fe00f7cb'), ObjectId('5614d8324c860d58fe00fa7a'), ObjectId('5614b08e4c860d58fe00d2c7'), ObjectId('5614b0ae4c860d58fe00d2e7'), ObjectId('5614b48a4c860d58fe00d6c3'), ObjectId('5614c29c4c860d58fe00e4d8'), ObjectId('5614c8b64c860d58fe00eafa'), ObjectId('5614da624c860d58fe00fca2'), ObjectId('5614bdb54c860d58fe00dff8'), ObjectId('5614a98d4c860d58fe00cbd0'), ObjectId('5614b1af4c860d58fe00d3ea'), ObjectId('5614c2fc4c860d58fe00e53e'), ObjectId('5614c7514c860d58fe00e997'), ObjectId('5614af3e4c860d58fe00d175'), ObjectId('5614af984c860d58fe00d1d3'), ObjectId('5614afb84c860d58fe00d1f3'), ObjectId('5614c1ee4c860d58fe00e430'), ObjectId('5614aff34c860d58fe00d22e'), ObjectId('5614b3fb4c860d58fe00d63e'), ObjectId('5614c2454c860d58fe00e485'), ObjectId('5614c2654c860d58fe00e4a5'), ObjectId('5614c62e4c860d58fe00e872'), ObjectId('5614c6ad4c860d58fe00e8ed'), ObjectId('5614caa94c860d58fe00ece9'), ObjectId('5614cb834c860d58fe00edc3'), ObjectId('5614ce924c860d58fe00f0d6'), ObjectId('5614cf074c860d58fe00f147'), ObjectId('5614d1874c860d58fe00f3cf'), ObjectId('5614d69d4c860d58fe00f8dd'), ObjectId('5614da994c860d58fe00fcd9'), ObjectId('5614dab94c860d58fe00fcf9'), ObjectId('5614db934c860d58fe00fdd3'), ObjectId('5614ae4f4c860d58fe00d08a'), ObjectId('5614af854c860d58fe00d1c4'), ObjectId('5614c2d64c860d58fe00e510'), ObjectId('5614afbe4c860d58fe00d1f9'), ObjectId('5614d91f4c860d58fe00fb63'), ObjectId('5614cf404c860d58fe00f180'), ObjectId('5614c2274c860d58fe00e467'), ObjectId('5614c2474c860d58fe00e487'), ObjectId('5614cb6c4c860d58fe00edb4'), ObjectId('5614d1274c860d58fe00f36b'), ObjectId('5614d8a34c860d58fe00fae3'), ObjectId('5614d8b24c860d58fe00faf6'), ObjectId('5614ac514c860d58fe00ce8c'), ObjectId('5614acb14c860d58fe00ceec'), ObjectId('5614af0b4c860d58fe00d146'), ObjectId('5614af1b4c860d58fe00d156'), ObjectId('5614b5834c860d58fe00d7c6'), ObjectId('5614b8ad4c860d58fe00daf0'), ObjectId('5614bc4d4c860d58fe00de90'), ObjectId('5614bc6d4c860d58fe00deb0'), ObjectId('5614c3714c860d58fe00e5af'), ObjectId('5614ad324c860d58fe00cf6d'), ObjectId('5614bd124c860d58fe00df4d'), ObjectId('5614bd924c860d58fe00dfcd'), ObjectId('5614b8e54c860d58fe00db26'), ObjectId('5614c4374c860d58fe00e673'), ObjectId('5614d0154c860d58fe00f255'), ObjectId('5614a9f94c860d58fe00cc34'), ObjectId('5614acd54c860d58fe00cf16'), ObjectId('5614b3f94c860d58fe00d638'), ObjectId('5614b4cd4c860d58fe00d70e'), ObjectId('5614bbf14c860d58fe00de30'), ObjectId('5614bcc54c860d58fe00df06'), ObjectId('5614bcdf4c860d58fe00df1c'), ObjectId('5614bce14c860d58fe00df22'), ObjectId('5614bfc74c860d58fe00e202'), ObjectId('5614c4044c860d58fe00e640'), ObjectId('5614c5644c860d58fe00e7a4'), ObjectId('5614d4114c860d58fe00f651'), ObjectId('5614d4314c860d58fe00f671'), ObjectId('5614d4454c860d58fe00f685'), ObjectId('5614d6914c860d58fe00f8d9'), ObjectId('5614ab4c4c860d58fe00cd89'), ObjectId('5614a88e4c860d58fe00cac7'), ObjectId('5614a8964c860d58fe00cacf'), ObjectId('5614ac0c4c860d58fe00ce49') ] } } ndeleted:1024 keyUpdates:0 numYields: 2 locks(micros) w:600578 333ms