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MXS-2555 Implement cache eviction (or query re-measurment) strategy

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This commit is contained in:
Niclas Antti
2019-06-18 17:02:23 +03:00
parent f5615cc174
commit a950715176
4 changed files with 92 additions and 90 deletions
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13
server/modules/routing/smartrouter/smartrouter.hh
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@ -26,7 +26,7 @@
class SmartRouterSession;
/** class Smartrouter. Only defines the mxs::Router<> functions needed for all routers.
/** class Smartrouter. Contains and manages the performance info.
*/
class SmartRouter : public mxs::Router<SmartRouter, SmartRouterSession>
{
@ -83,12 +83,15 @@ public:
/** Thread safe update/insert a PerformanceInfo. Some entry expiration handling is done here.
*/
bool perf_update(const std::string& canonical, const PerformanceInfo& perf);
void perf_update(const std::string& canonical, const PerformanceInfo& perf);
private:
SmartRouter(SERVICE* service);
Config m_config;
CanonicalPerformance m_performance;
std::mutex m_perf_mutex;
Config m_config;
using Perfs = std::unordered_map<std::string, PerformanceInfo>;
std::mutex m_perf_mutex;
Perfs m_perfs;
};