
OPERATIONAL DEFECT DATABASE
...

...
I think this is because performOrderedTimeseriesWrites always returns the document size even when errors may present.
xgen-internal-githook commented on Tue, 30 Jan 2024 22:17:33 +0000: Author: {'name': 'Yuhong Zhang', 'email': 'yuhong.zhang@mongodb.com', 'username': 'YuhongZhang98'} Message: SERVER-79787 Set the number of inserted documents correctly when write errors occur during time-series ordered inserts (#18506) GitOrigin-RevId: 78f569b565d59144da819937a2fc7a53dffdf69a Branch: master https://github.com/mongodb/mongo/commit/a40bb6d649cca4b43f25ab13887658e3484ef733
foo:PRIMARY> db.createCollection("coll", {timeseries: {timeField: 'time'}}) { "ok" : 1, "$clusterTime" : { "clusterTime" : Timestamp(1691419064, 2), "signature" : { "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="), "keyId" : NumberLong(0) } }, "operationTime" : Timestamp(1691419064, 2) } foo:PRIMARY> db.runCommand({insert: "coll", documents: [{x: 0, time: ISODate()}, {x: 1}], ordered: true}) { "n" : 2, "electionId" : ObjectId("7fffffff0000000000000004"), "opTime" : { "ts" : Timestamp(1691419106, 1), "t" : NumberLong(4) }, "writeErrors" : [ { "index" : 1, "code" : 2, "errmsg" : "'time' must be present and contain a valid BSON UTC datetime value" } ], "ok" : 1, "$clusterTime" : { "clusterTime" : Timestamp(1691419106, 1), "signature" : { "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="), "keyId" : NumberLong(0) } }, "operationTime" : Timestamp(1691419106, 1) } foo:PRIMARY> db.runCommand({insert: "coll", documents: [{x: 0, time: ISODate()}, {x: 1}], ordered: false}) { "n" : 1, "electionId" : ObjectId("7fffffff0000000000000004"), "opTime" : { "ts" : Timestamp(1691419125, 1), "t" : NumberLong(4) }, "writeErrors" : [ { "index" : 1, "code" : 2, "errmsg" : "'time' must be present and contain a valid BSON UTC datetime value" } ], "ok" : 1, "$clusterTime" : { "clusterTime" : Timestamp(1691419125, 1), "signature" : { "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="), "keyId" : NumberLong(0) } }, "operationTime" : Timestamp(1691419125, 1) }
Click on a version to see all relevant bugs
MongoDB Integration
Learn more about where this data comes from
Bug Scrub Advisor
Streamline upgrades with automated vendor bug scrubs
BugZero Enterprise
Wish you caught this bug sooner? Get proactive today.