62788f39e1
Given that the response times across threads are extremely likely to be nearly identical, the data can be partitioned by worker thread.
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
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* Copyright (c) 2018 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2022-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#pragma once
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/**
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* Internal header for the server type
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*/
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#include <maxbase/average.hh>
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#include <maxscale/server.h>
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#include <maxscale/resultset.hh>
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#include <maxscale/routingworker.hh>
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std::unique_ptr<ResultSet> serverGetList();
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// Private server implementation
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class Server : public SERVER
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{
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public:
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Server()
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: response_time(maxbase::EMAverage {0.04, 0.35, 500})
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{
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}
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int response_time_num_samples() const
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{
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return response_time->num_samples();
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}
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double response_time_average() const
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{
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return response_time->average();
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}
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void response_time_add(double ave, int num_samples)
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{
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response_time->add(ave, num_samples);
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}
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private:
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// nantti, TODO. Decide whether to expose some of this in config, or if the values
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// can be calculated at runtime. The "500" or sample_max affects how often a
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// session should updates this stat. sample_max should be slightly lower than max sample
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// rate (which is less than qps due to the noise filter).
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mxs::rworker_local<maxbase::EMAverage> response_time;
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};
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void server_free(Server* server);
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