Collection devices contains break down of new, total and unique devices provided in the metrics by time periods.
For shorter representation, these stats are abbreviated as:
- n - new
- t - total
- u - unique
There are 4 types of documents available:
- Zero document, which id is formed from {appID}_{year}:0 And it contains stats breakdown by months and weeks for the specified year
- Month document, which id is formed from {appID}_{year}:{month} And it contains stats breakdown by days of the month
- Splitted zero document which id is formed from {appID}{year}:0{shardname}
- Splitted month document which id is formed from {appID}{year}:{month}{shardname}
Here is the list of possible fields
| Field | Description | Example |
|---|---|---|
| _id | ID formed as {appID}{year}:0 or {appID}{year}:{month} or {appID}{year}:0{shardname} or {appID}{year}:{month}{shardname} | 542e95d747f0be510c000004_2014:10 |
| a | App ID | 542e95d747f0be510c000004 |
| d | Data for specific document | "14": { "Nexus 5": { "t": 1, "u": 1 }, "Samsung": { "t": 1, "u": 1 }, "Sony Ericsson": { "t": 1, "u": 1 }, "iPad": { "t": 1, "u": 1 } } |
| m | {year}:{month} for which data is provided | 2014:10 |
| meta | Information about all devices values. Note it exists only for Zero documents of each year | { "devices": [ "Nexus 5", "Sony Ericsson", "iPad", "Samsung", "iPad 4", "One Touch Idol X", "iPad Air", "Nexus 7", "Galaxy Note", "Optimus L5", "Fire Phone", "Windows Phone", "Xperia Z", "iPhone Mini", "Kindle Fire HDX", "iPhone 5", "iPhone 6", "Nexus 10", "One S", "iPhone 5C", "iPhone 4S", "Nexus 4", "Lumia 920" ] } |
| meta_v2 | New way to store meta info, much faster writes than using sets | { "devices": { "Nexus 5":true, "Sony Ericsson":true, "iPad":true, "Samsung":true, "iPad 4":true } } |
Here are examples of both document types:
{
"_id": "542e95d747f0be510c000004_2014:0",
"a": "542e95d747f0be510c000004",
"d": {
"10": {
"Fire Phone": {
"u": 15
},
"Galaxy Note": {
"u": 20
},
"Kindle Fire HDX": {
"u": 17
},
"Lumia 920": {
"u": 10
},
"Nexus 10": {
"u": 9
},
"Nexus 4": {
"u": 23
},
"Nexus 5": {
"u": 24
},
"Nexus 7": {
"u": 11
},
"One S": {
"u": 18
},
"One Touch Idol X": {
"u": 26
},
"Optimus L5": {
"u": 15
},
"Samsung": {
"u": 1
},
"Sony Ericsson": {
"u": 1
},
"Windows Phone": {
"u": 18
},
"Xperia Z": {
"u": 16
},
"iPad": {
"u": 1
},
"iPad 4": {
"u": 15
},
"iPad Air": {
"u": 20
},
"iPhone 4S": {
"u": 25
},
"iPhone 5": {
"u": 22
},
"iPhone 5C": {
"u": 13
},
"iPhone 6": {
"u": 7
},
"iPhone Mini": {
"u": 16
}
},
"Fire Phone": {
"u": 15
},
"Galaxy Note": {
"u": 20
},
"Kindle Fire HDX": {
"u": 17
},
"Lumia 920": {
"u": 10
},
"Nexus 10": {
"u": 9
},
"Nexus 4": {
"u": 23
},
"Nexus 5": {
"u": 24
},
"Nexus 7": {
"u": 11
},
"One S": {
"u": 18
},
"One Touch Idol X": {
"u": 26
},
"Optimus L5": {
"u": 15
},
"Samsung": {
"u": 1
},
"Sony Ericsson": {
"u": 1
},
"Windows Phone": {
"u": 18
},
"Xperia Z": {
"u": 16
},
"iPad": {
"u": 1
},
"iPad 4": {
"u": 15
},
"iPad Air": {
"u": 20
},
"iPhone 4S": {
"u": 25
},
"iPhone 5": {
"u": 22
},
"iPhone 5C": {
"u": 13
},
"iPhone 6": {
"u": 7
},
"iPhone Mini": {
"u": 16
},
"w41": {
"Nexus 5": {
"u": 1
},
"Samsung": {
"u": 1
},
"Sony Ericsson": {
"u": 1
},
"iPad": {
"u": 1
}
},
"w42": {
"Fire Phone": {
"u": 15
},
"Galaxy Note": {
"u": 20
},
"Kindle Fire HDX": {
"u": 17
},
"Lumia 920": {
"u": 10
},
"Nexus 10": {
"u": 9
},
"Nexus 4": {
"u": 23
},
"Nexus 5": {
"u": 23
},
"Nexus 7": {
"u": 11
},
"One S": {
"u": 18
},
"One Touch Idol X": {
"u": 26
},
"Optimus L5": {
"u": 15
},
"Windows Phone": {
"u": 18
},
"Xperia Z": {
"u": 16
},
"iPad 4": {
"u": 15
},
"iPad Air": {
"u": 20
},
"iPhone 4S": {
"u": 25
},
"iPhone 5": {
"u": 22
},
"iPhone 5C": {
"u": 13
},
"iPhone 6": {
"u": 7
},
"iPhone Mini": {
"u": 16
}
}
},
"m": "2014:0",
"meta": {
"devices": [
"Nexus 5",
"Sony Ericsson",
"iPad",
"Samsung",
"iPad 4",
"One Touch Idol X",
"iPad Air",
"Nexus 7",
"Galaxy Note",
"Optimus L5",
"Fire Phone",
"Windows Phone",
"Xperia Z",
"iPhone Mini",
"Kindle Fire HDX",
"iPhone 5",
"iPhone 6",
"Nexus 10",
"One S",
"iPhone 5C",
"iPhone 4S",
"Nexus 4",
"Lumia 920"
]
}
}{
"_id": "542e95d747f0be510c000004_2014:10",
"a": "542e95d747f0be510c000004",
"d": {
"14": {
"Nexus 5": {
"t": 1,
"u": 1
},
"Samsung": {
"t": 1,
"u": 1
},
"Sony Ericsson": {
"t": 1,
"u": 1
},
"iPad": {
"t": 1,
"u": 1
}
},
"20": {
"Fire Phone": {
"n": 8,
"t": 8,
"u": 8
},
"Galaxy Note": {
"n": 14,
"t": 14,
"u": 14
},
"Kindle Fire HDX": {
"n": 10,
"t": 10,
"u": 10
},
"Lumia 920": {
"n": 5,
"t": 5,
"u": 5
},
"Nexus 10": {
"n": 6,
"t": 6,
"u": 6
},
"Nexus 4": {
"n": 16,
"t": 16,
"u": 16
},
"Nexus 5": {
"n": 13,
"t": 13,
"u": 13
},
"Nexus 7": {
"n": 5,
"t": 5,
"u": 5
},
"One S": {
"n": 11,
"t": 11,
"u": 11
},
"One Touch Idol X": {
"n": 19,
"t": 19,
"u": 19
},
"Optimus L5": {
"n": 10,
"t": 10,
"u": 10
},
"Windows Phone": {
"n": 11,
"t": 11,
"u": 11
},
"Xperia Z": {
"n": 11,
"t": 11,
"u": 11
},
"iPad 4": {
"n": 8,
"t": 8,
"u": 8
},
"iPad Air": {
"n": 16,
"t": 16,
"u": 16
},
"iPhone 4S": {
"n": 19,
"t": 19,
"u": 19
},
"iPhone 5": {
"n": 12,
"t": 12,
"u": 12
},
"iPhone 5C": {
"n": 7,
"t": 7,
"u": 7
},
"iPhone 6": {
"n": 4,
"t": 4,
"u": 4
},
"iPhone Mini": {
"n": 14,
"t": 14,
"u": 14
}
},
"21": {
"Fire Phone": {
"n": 7,
"t": 7,
"u": 7
},
"Galaxy Note": {
"n": 6,
"t": 6,
"u": 6
},
"Kindle Fire HDX": {
"n": 7,
"t": 7,
"u": 7
},
"Lumia 920": {
"n": 5,
"t": 5,
"u": 5
},
"Nexus 10": {
"n": 3,
"t": 3,
"u": 3
},
"Nexus 4": {
"n": 7,
"t": 7,
"u": 7
},
"Nexus 5": {
"n": 10,
"t": 10,
"u": 10
},
"Nexus 7": {
"n": 6,
"t": 6,
"u": 6
},
"One S": {
"n": 7,
"t": 7,
"u": 7
},
"One Touch Idol X": {
"n": 7,
"t": 7,
"u": 7
},
"Optimus L5": {
"n": 5,
"t": 5,
"u": 5
},
"Windows Phone": {
"n": 7,
"t": 7,
"u": 7
},
"Xperia Z": {
"n": 5,
"t": 5,
"u": 5
},
"iPad 4": {
"n": 7,
"t": 7,
"u": 7
},
"iPad Air": {
"n": 4,
"t": 4,
"u": 4
},
"iPhone 4S": {
"n": 6,
"t": 6,
"u": 6
},
"iPhone 5": {
"n": 10,
"t": 10,
"u": 10
},
"iPhone 5C": {
"n": 6,
"t": 6,
"u": 6
},
"iPhone 6": {
"n": 3,
"t": 3,
"u": 3
},
"iPhone Mini": {
"n": 2,
"t": 2,
"u": 2
}
}
},
"m": "2014:10"
}