[英]MongoDB data modelling performance
我目前正試圖在mongodb上找出在性能成本和冗余方面最好的方法,這是構建大文檔數據模式的最好方法。 我其余的->應用中的最終JSON可能是如何構造的。 現在內部不會使用太多數據,這就是為什么我將其綁定到單個文檔中的原因。 只有id會在其他集合中用作參考。 你們認為,最好以關系方式吐痰,通過多個集合將內容存儲在可交付成果內部並使用引用或僅嵌入。 (因為NoSQL沒有連接我,盡管這樣可以加快速度)
當前在節點應用程序 The Schema中使用貓鼬 :
projectSchema = new Schema({
name: {
type: String,
required: true,
minlength: 3,
maxlength: 50
},
companyId: {
type: mongoose.Types.ObjectId,
ref: 'companies',
required: true
},
deleted: {
type: Number,
enum: [0, 1],
default: 0
},
predictedStartDate: {
type: Date,
default: ""
},
predictedEndDate: {
type: Date,
default: ""
},
realStartDate: {
type: Date,
default: ""
},
realEndDate: {
type: Date,
default: ""
},
//not final version
riskRegister: [{
name: String,
wpId: {
type: mongoose.Types.ObjectId,
ref: 'projects.deliverables.workPackages.id',
required: true
},
probability: String,
impact: String,
riskOwner: String,
response: String,
duration: String,
trigger: String,
status: String,
plannedTimming: String
}],
deliverables: [{
body: String,
workPackages: [{
body: String,
activities: [{
body: String,
tasks: [{
content: String,
properties: [{
dependecies: Array,
risk: {
type: Number,
enum: [0,1],
required: true
},
estimatedTime: {
type: Number,
required: true
},
realTime: {
required: true,
default: 0,
type: Number
},
responsible: {
id: {
type: Number,
default: -1
},
type: {
type: String,
enum: [0, 1], //0 - user, 1 - team
default: -1
}
},
materialCosts: {
type: Number,
default: 0
},
status: {
type: Number,
default: 0
},
approval: {
type: Number,
default: 0
},
startDate: {
type: Date,
default: ""
},
finishDate: {
type: Date,
default: ""
},
endDate: {
type: Date,
default: ""
},
userStartDate: {
type: Date,
default: ""
},
endStartDate: {
type: Date,
default: ""
},
taskNum: {
type: Number,
required: true
},
lessonsLearn: {
insertedAt: {
type: Date,
default: Date.now
},
creatorId: {
type: mongoose.Types.ObjectId,
ref: 'users',
required: true
},
situation: {
type: String,
required: true
},
solution: {
type: String,
required: true
},
attachments: Array
}
}]
}]
}]
}]
}]
})
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