Details
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Improvement
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Status: Backlog
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Major - P3
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Resolution: Unresolved
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None
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None
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Query Execution
Description
The global latency stats Server Status section currently aggregates all the latency information known to the server.
We have a need for the same information except aggregated by database.
For example, today we have:
db.serverStatus().opLatencies
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{
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"reads" : {
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"latency" : NumberLong(9404373),
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"ops" : NumberLong(90552)
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},
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"writes" : {
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"latency" : NumberLong(4846358),
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"ops" : NumberLong(22579)
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},
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"commands" : {
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"latency" : NumberLong(8227275),
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"ops" : NumberLong(108682)
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},
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"transactions" : {
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"latency" : NumberLong(0),
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"ops" : NumberLong(0)
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}
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}
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I'm hoping to get a response like this, probably using an aggregation stage like $collStats:
use admin
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db.system.aggregate( [ { $globalLatencyStats: { latencyStats: { } } } ] );
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{[{ "db" : "firstdb",
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"reads" : {
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"latency" : NumberLong(9404373),
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"ops" : NumberLong(90552)
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},
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"writes" : {
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"latency" : NumberLong(4846358),
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"ops" : NumberLong(22579)
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},
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"commands" : {
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"latency" : NumberLong(8227275),
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"ops" : NumberLong(108682)
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},
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"transactions" : {
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"latency" : NumberLong(0),
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"ops" : NumberLong(0)
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}},
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{ "db" : "seconddb",
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"reads" : {
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"latency" : NumberLong(9404373),
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"ops" : NumberLong(90552)
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},
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"writes" : {
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(etc...)
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