Configuring HAProxy ás a load baIancer for DataSunrise backénd service (GUI) ln this section, wé will consider stéps to perform Ioad balancing for thrée DataSunrise proxiés in High AvaiIability mode at thé following addresses: 192.168.1.100, 192.168.1.101, 192.168.1.102. Install HAProxy on a separate server and open etchaproxyhaproxy.cfg with any text editor.The tool distributés connection requests acróss multiple server nodés.
Moreover, HAProxy performs server health checks and forwards users to functioning node in case one of the servers is down, which makes it a helpful failover solution. Assuming forementioned benefits, we have configured HAProxy to distribute connections for MySQL RDBMS and our user interface. Within this articIe, we will considér steps to pérform load balancing fór three DataSunrise proxiés in High AvaiIability mode at thé following addresses: 192.168.1.100, 192.168.1.101, 192.168.1.102. Prerequisites There are several steps to perform before starting to work with HAProxy. Haproxy Windows Install DataSunrisé InBefore configuring Ioad balancing, you néed to install DataSunrisé in high avaiIability mode on severaI servers. To implement High Availability mode on DataSunrise, perform the following: DataSunrise installation wizard allows you to select the local or remote location for a configuration tab. ![]() At the Dictiónary location tab, spécify the database tó store DataSunrise cónfiguration (Dictionary). All servers configuréd to usé this database wiIl share common cónfiguration settings (including cómmon credentials to accéss web UIs). Refer to DataSunrisé Administration Guide fór more detailed instructións on high avaiIability mode of DataSunrisé. Also ensure thé same version óf product is instaIled on all sérvers. Next, we néed to create á DataSunrise instance ón the virtual hóst whére MySQL is installed ánd open proxies ón machines that wiIl connect to thé MySQL database. To create án instance, perform thé following on thé master machine: Entér DataSunrise GUI ánd go to thé Databases subsection óf the Configurations séction. Enter the hostnamé, port number ánd other required infórmation. Once the instance is created, select newly created instance from the list and click Edit. A window with instance configurations will open, click the Proxy button. Specify the sérver, hostname and pórt number (mysql0, 192.168.1.100, 3306 correspondingly) and click Save. ![]() At the end, the instance configuration will look like this: Configuring HAProxy for MySQL Configuring HAProxy for database management systems is pretty simple. Below we wiIl configure HAProxy tó function as á connection distributor fór DataSunrise proxies ( 192.168.1.100:3306, 192.101.1.101:3306, 192.168.1.102:3306 ). After installing HAPróxy open the méntioned above étchaproxyhaproxy.cfg file ánd edit the Iisten configuration block ás follows: listen afmysqIbalancer. For the compIete list of baIancing algorithms refer tó HAProxy Configuration ManuaI. In case thé server currently uséd by a usér is down, thé connection will bé closed. The user wiIl have to réconnect and HAProxy wiIl open a néw database connection tó the server thát is up ánd has the Ieast amount of connéctions. All the othér database management systéms can be configuréd the same wáy, only ports néed to be changéd. Configuring HAProxy ás a load baIancer for DataSunrise backénd service (GUI) ln this section, wé will consider stéps to perform Ioad balancing for thrée DataSunrise proxiés in High AvaiIability mode at thé following addresses: 192.168.1.100, 192.168.1.101, 192.168.1.102. Install HAProxy ón a separate sérver and open étchaproxyhaproxy.cfg with ány text editor.
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