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The average runtime for each query is compared in the chart below:īased on the results from the queries, we can conclude that the CData Driver's performance far exceeds that of the native MySQL Connector/J and the MariaDB Connector/J. While the percent difference in performance seems large (the CData Driver takes over twice as long as the MariaDB Driver), the real-world difference in performance is functionally unnoticeable (approximately 2.5 milliseconds, or one-one-hundredth the time it takes to blink an eye 4).
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The only situation studied in which both the MySQL Driver and MariaDB measurably outperformed the CData Driver was when the drivers were tasked with reading the metadata of the table. This can be attributed to the low number of results and the time required by the MySQL Server to calculated the average of the avg_score for each grouping. ") has 170 points of data to process (85 rows, resulting from 85 unique values for "cuisine", times 2 columns) and the performance of each driver is almost the same. The third query ("SELECT cuisine, AVG(avg_score). This highlights the likelihood that the majority of the time used by the CData Driver is based on web traffic time and server processor time, and not time spent processing the results. ") has approximately 7.7 million data points to read and the CData Driver is able to read the results in approximately 66% of the time it takes the MySQL Driver.Īt this point, it is worth noting that the performance for the CData Driver for the first and second queries is are significantly more similar than either the MySQL driver or the MariaDB driver. The second query ("SELECT _id, grades, avg_score. " query, there are over 170 million data points to read (over 1.5 million rows times 11 columns) and the CData Driver is able to read the results in approximately 67% of the time it takes the MySQL Driver. The results are displayed in the table below.Īs can be seen in the results, the CData Driver significantly outperformed the native MySQL Driver and MariaDB when working with large result sets and was comparably performant for other queries.įor the "SELECT *.
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We performed this operation fifty times per driver and then calculated the average runtime for the set of fifty runs for each query. The queries above have varying numbers of results and will showcase each driver's ability to manage both large and small result sets.įor each driver, we established a connection to the database and ran all four queries back-to-back. We did this by running the same four queries with each driver. The main goal of this investigation was to compare the related performance of the drivers. The dataset consists of 1,546,899 rows of data (3.45 GB) where each row contains information about a restaurant. | cuisine | varchar(255) | YES | | NULL | | | borough | varchar(255) | YES | | NULL | | | restaurant_id | bigint(20) | NO | | NULL | | | building | varchar(127) | YES | | NULL | | | address_coord | varchar(255) | YES | | NULL | | | address_zipcode | int(11) | YES | | NULL | | | address_street | varchar(255) | YES | | NULL | | | grades | varchar(2000) | YES | | NULL | | | Field | Type | Null | Key | Default | Extra | To begin the comparison, we created a new database in MySQL and then created a table called "restaurant", described below: Since the drivers are being compared side-by-side, the performance of the machine itself is relatively unimportant what matters is how the drivers compare relative to one another.Īs a side note, we had plans to include other commercial JDBC drivers in our comparison, but they did not support connecting to the Community Edition of MySQL Server. Processor: Intel® Core TM i3-2120 CPU 3.30GHz
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Operating System: Windows 7 Ultimate, SP1
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The test machine specifications are as follows: In order to provide a benchmark, we installed MySQL Server 5.7 on a test machine and inserted a relatively large dataset into the database. This article will serve to compare the native, open-source JDBC Driver from MySQL (Connector/J 1), the MariaDB (a popular MySQL fork) Connector/J 2, and the licensed JDBC Driver from CData (JDBC Driver for JDBC 2016 3). There are several native, open-source drivers available for connecting to your MySQL data from other applications. In fact, many cloud databases have adopted the MySQL interface over other options. MySQL is "The world's most popular open source database" and provides a robust, widely-used way to store and access your data.