mirror of https://github.com/sysown/proxysql
Yashwant Sahu
1 year ago
parent
a846447a22
commit
a0db6c3a1f
@ -0,0 +1,153 @@
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#include <cstdlib>
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#include <cstdio>
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#include <cstring>
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#include <unistd.h>
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#include <string>
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#include <sstream>
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#include <fstream>
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#include "mysql.h"
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#include "tap.h"
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#include "command_line.h"
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#include "utils.h"
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inline unsigned long long monotonic_time() {
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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return (((unsigned long long) ts.tv_sec) * 1000000) + (ts.tv_nsec / 1000);
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}
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unsigned long calculate_query_execution_time(MYSQL* mysql, const std::string& query) {
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MYSQL_RES *res;
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MYSQL_ROW row;
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unsigned long long begin = monotonic_time();
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unsigned long long row_count = 0;
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MYSQL_QUERY(mysql, query.c_str());
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res = mysql_use_result(mysql);
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unsigned long long num_rows = mysql_num_rows(res);
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unsigned int num_fields = mysql_num_fields(res);
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while ((row = mysql_fetch_row(res))) {
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for (unsigned int i = 1; i < num_fields; i++) {
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char *field = row[i];
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}
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row_count++;
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}
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mysql_free_result(res);
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unsigned long long end = monotonic_time();
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fprintf(stderr, "Row count: %lld\n", row_count);
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return (end - begin);
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}
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void set_compression_level(std::string level) {
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CommandLine cl;
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if(cl.getEnv())
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return;
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MYSQL* proxysql = mysql_init(NULL);
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if (!proxysql) {
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fprintf(stderr, "File %s, line %d, Error: %s\n", __FILE__, __LINE__, mysql_error(proxysql));
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return;
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}
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if (!mysql_real_connect(proxysql, cl.host, cl.admin_username, cl.admin_password, NULL, cl.admin_port, NULL, 0)) {
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fprintf(stderr, "File %s, line %d, Error: %s\n", __FILE__, __LINE__, mysql_error(proxysql));
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return;
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}
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std::string query = "UPDATE global_variables SET variable_value = '" + level + "' WHERE variable_name = 'mysql-protocol_compression_level';";
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mysql_query(proxysql, query.c_str());
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query = "LOAD MYSQL VARIABLES TO RUNTIME;";
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mysql_query(proxysql, query.c_str());
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mysql_close(proxysql);
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}
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MYSQL* initilize_mysql_connection(char* host, char* username, char* password, int port, bool compression) {
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MYSQL* mysql = mysql_init(NULL);
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if (!mysql)
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return nullptr;
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fprintf(stderr, "Connection details: %s %s %d\n", username, password, port);
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if (!mysql_real_connect(mysql, host, username, password, NULL, port, NULL, 0)) {
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fprintf(stderr, "Failed to connect to database: Error: %s\n",
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mysql_error(mysql));
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mysql_close(mysql);
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return nullptr;
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}
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if (compression) {
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if (mysql_options(mysql, MYSQL_OPT_COMPRESS, nullptr) != 0) {
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fprintf(stderr, "Failed to set mysql compression option: Error: %s\n",
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mysql_error(mysql));
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mysql_close(mysql);
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return nullptr;
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}
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}
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return mysql;
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}
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int main(int argc, char** argv) {
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CommandLine cl;
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if(cl.getEnv())
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return exit_status();
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plan(2);
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// ProxySQL connection without compression
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MYSQL* proxysql = initilize_mysql_connection(cl.host, cl.username, cl.password, cl.port, false);
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if (!proxysql) {
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return exit_status();
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}
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// ProxySQL connection with compression
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MYSQL* proxysql_compression = initilize_mysql_connection(cl.host, cl.username, cl.password, cl.port, true);
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if (!proxysql_compression) {
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return exit_status();
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}
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// MySQL connection with compression
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MYSQL* mysql_compression = initilize_mysql_connection(cl.host, cl.username, cl.password, cl.mysql_port, true);
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if (!mysql_compression) {
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return exit_status();
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}
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MYSQL_QUERY(proxysql, "CREATE DATABASE IF NOT EXISTS test");
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MYSQL_QUERY(proxysql, "DROP TABLE IF EXISTS test.sbtest1");
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mysql_query(proxysql, "CREATE TABLE IF NOT EXISTS test.sbtest1 (id INT UNSIGNED NOT NULL AUTO_INCREMENT, k INT UNSIGNED NOT NULL DEFAULT 0, c CHAR(120) NOT NULL DEFAULT '', pad CHAR(60) NOT NULL DEFAULT '', PRIMARY KEY (id), KEY k_1 (k));");
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MYSQL_QUERY(proxysql, "USE test");
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for (int i = 0; i < 1000; i++) {
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MYSQL_QUERY(proxysql, "INSERT INTO sbtest1 (k, c, pad) SELECT FLOOR(RAND() * 10000), REPEAT('a', 120), REPEAT('b', 60) FROM information_schema.tables LIMIT 1000;");
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}
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std::string query = "SELECT t1.id id1, t1.k k1, t1.c c1, t1.pad pad1, t2.id id2, t2.k k2, t2.c c2, t2.pad pad2 FROM test.sbtest1 t1 JOIN test.sbtest1 t2 LIMIT 50000000";
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unsigned long time_proxy = calculate_query_execution_time(proxysql, query);
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diag("Time taken for query with proxysql without compression: %ld", time_proxy);
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unsigned long time_proxy_compressed = calculate_query_execution_time(proxysql_compression, query);
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diag("Time taken for query with proxysql with compression: %ld", time_proxy_compressed);
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unsigned long diff = abs(time_proxy - time_proxy_compressed);
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int performance_diff = (diff * 100) / time_proxy;
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bool accepted_performance = (performance_diff < 10) ? true : false;
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ok((performance_diff < 20), "proxysql with compression performed well compared to without compression. Performance difference: %d percentage", performance_diff);
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unsigned long time_mysql_compressed = calculate_query_execution_time(mysql_compression, query);
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diag("Time taken for query with mysql with compression: %ld", time_mysql_compressed);
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diff = abs(time_mysql_compressed - time_proxy_compressed);
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performance_diff = (diff * 100) / time_mysql_compressed;
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accepted_performance = (performance_diff < 20) ? true : false;
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ok((performance_diff < 10), "proxysql with compression performed well compared to mysql with compression. Performance difference: %d percentage", performance_diff);
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mysql_close(proxysql);
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mysql_close(proxysql_compression);
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mysql_close(mysql_compression);
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return exit_status();
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}
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