Details
Major - P3 Description
Currently we always log entries about index build, but it only includes namespace and name of the index. The details of index definition will only be logged if command exceeds the slowms threshold, which likely won't happen for empty or small collections.
Unless the command is no-op, e.g. index already exists, log it unconditionally.
Example of the entries to be logged:
{
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"t": {
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"$date": "2020-12-01T16:32:23.066-05:00"
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},
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"s": "I",
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"c": "COMMAND",
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"id": 51803,
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"ctx": "conn5",
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"msg": "Slow query",
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"attr": {
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"type": "command",
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"ns": "test.log",
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"appName": "MongoDB Shell",
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"command": {
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"createIndexes": "log",
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"indexes": [
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{
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"key": {
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"lastModifiedDate": 1.0
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},
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"name": "lastModifiedDate_1",
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"expireAfterSeconds": 3600.0
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}
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],
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"lsid": {
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"id": {
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"$uuid": "dc5b96ce-8c46-47b6-82a2-311eab1f3892"
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}
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},
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"$db": "test"
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},
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"numYields": 0,
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"reslen": 114,
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"locks": {
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"ParallelBatchWriterMode": {
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"acquireCount": {
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"r": 3
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}
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},
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"ReplicationStateTransition": {
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"acquireCount": {
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"w": 4
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}
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},
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"Global": {
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"acquireCount": {
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"r": 2,
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"w": 2
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}
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},
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"Database": {
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"acquireCount": {
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"r": 2,
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"w": 1
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}
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},
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"Collection": {
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"acquireCount": {
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"r": 2,
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"W": 1
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}
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},
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"Mutex": {
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"acquireCount": {
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"r": 3
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}
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}
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},
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"flowControl": {
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"acquireCount": 2,
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"timeAcquiringMicros": 1
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},
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"storage": {},
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"protocol": "op_msg",
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"durationMillis": 33
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}
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},
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{
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"t": {
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"$date": "2020-12-03T16:47:32.256-05:00"
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},
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"s": "I",
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"c": "COMMAND",
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"id": 51803,
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"ctx": "conn6",
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"msg": "Slow query",
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"attr": {
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"type": "command",
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"ns": "test.geo1",
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"appName": "MongoDB Shell",
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"command": {
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"createIndexes": "geo1",
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"indexes": [
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{
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"key": {
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"location": "2dsphere"
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},
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"name": "location_2dsphere"
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}
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],
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"lsid": {
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"id": {
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"$uuid": "f8611f64-ad09-4884-a6f6-58860c0809ff"
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}
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},
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"$db": "test"
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},
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"numYields": 0,
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"reslen": 114,
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"locks": {
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"ParallelBatchWriterMode": {
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"acquireCount": {
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"r": 3
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}
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},
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"ReplicationStateTransition": {
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"acquireCount": {
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"w": 4
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}
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},
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"Global": {
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"acquireCount": {
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"r": 2,
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"w": 2
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}
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},
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"Database": {
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"acquireCount": {
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"r": 2,
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"w": 1
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}
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},
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"Collection": {
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"acquireCount": {
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"r": 2,
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"W": 1
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}
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},
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"Mutex": {
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"acquireCount": {
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"r": 3
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}
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}
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},
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"flowControl": {
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"acquireCount": 2,
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"timeAcquiringMicros": 2
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},
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"storage": {},
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"protocol": "op_msg",
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"durationMillis": 30
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}
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}
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