Name: qqs
Owner: Mixpanel, Inc
Description: The purpose of a quota service is to prevent cascading failures in micro-service environments. The service acts as a traffic cop, slowing down traffic where necessary to prevent overloading services. For this to work, remote procedure calls (RPCs) between services consult the quota service before making a call. The service isn?t strictly for RPCs between services, and can even be used to apply quotas to database calls, for example.
Forked from: mian-qin/qqs
Created: 2018-02-07 22:28:14.0
Updated: 2018-03-28 21:31:29.0
Pushed: 2018-03-28 21:31:28.0
Size: 8668
Language: Go
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In order to minimize the performance impact and infrastructure cost from costly queries and link customer importance with their query performance, we need a way to allow key customers to run more queries and those who are not high-paying users but execute costly queries to run fewer queries. Also, support can also temporarily increase a customer?s query rate to address traffic spikes. Similarly, engineers can temporarily decrease a problematic customer?s query rate to minimize the negative impact on other users? queries.