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<title>Установка PGBouncer</title>
<title>Install BGBouncer</title>
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<div class="topic__title"><h1 class="p_Heading1"><span class="f_Heading1">Установка PGBouncer</span></h1>
<div class="topic__title"><h1 class="p_Heading1"><span class="f_Heading1">Install BGBouncer</span></h1>
</div>
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<!-- Placeholder for topic body. -->
<p class="p_Normal">PGBouncer — программа, управляющая пулом соединений PostgreSQL. Любое конечное приложение может подключиться к PGBouncer, как если бы это был непосредственно сервер PostgreSQL. PGBouncer создаст подключение к реальному серверу, либо задействует одно из ранее установленных подключений. </p>
<p class="p_Normal">Назначение PGBouncer — минимизировать издержки, связанные с установлением новых подключений к PostgreSQL. Вы также можете ознакомиться с руководством в <a href="https://www.pgbouncer.org/faq.html" target="_blank" class="weblink">официальной документации PGBouncer</a>.</p>
<p class="p_Normal">Установка состоит из нескольких этапов:</p>
<p class="p_Normal">PGBouncer is a program that manages a connection pool for PostgreSQL. Any end application can connect to PGBouncer as if it were directly connecting to a PostgreSQL server. PGBouncer will establish a connection to the real server or reuse one of the previously established connections. </p>
<p class="p_Normal">The purpose of PGBouncer is to minimize the costs associated with establishing new connections to PostgreSQL. You can also refer to the <a href="https://www.pgbouncer.org/faq.html" target="_blank" class="weblink">official PGBouncer documentation</a> for more details.</p>
<p class="p_Normal">The installation process consists of five steps:</p>
<ol style="list-style-type:decimal">
<li value="1" class="p_Normal"><a href="pgbouncer-installation.html#install-pgbouncer" class="topiclink">Установка PGBouncer</a>.</li><li value="2" class="p_Normal"><a href="pgbouncer-installation.html#configure-pgbouncer" class="topiclink">Настройка PGBouncer</a>.</li><li value="3" class="p_Normal"><a href="pgbouncer-installation.html#add-users" class="topiclink">Добавление пользователей</a>.</li><li value="4" class="p_Normal"><a href="pgbouncer-installation.html#set-limitnofile" class="topiclink">Задание LimitNOFILE в файле pgbouncer.service</a>.</li><li value="5" class="p_Normal"><a href="pgbouncer-installation.html#connect-to-pgbouncer" class="topiclink">Подключение к PGBouncer</a>.</li></ol>
<h2 class="p_Heading2"><a id="install-pgbouncer" class="hmanchor"></a><span class="f_Heading2">Шаг 1. Установка PGBouncer</span></h2>
<p class="p_Normal">Установите PGBouncer на узел с PostgreSQL, используя следующую команду:</p>
<li value="1" class="p_Normal"><a href="pgbouncer-installation.html#install-pgbouncer" class="topiclink">Install PGBouncer</a>.</li><li value="2" class="p_Normal"><a href="pgbouncer-installation.html#configure-pgbouncer" class="topiclink">Configure PGBouncer</a>.</li><li value="3" class="p_Normal"><a href="pgbouncer-installation.html#add-users" class="topiclink">Add users</a>.</li><li value="4" class="p_Normal"><a href="pgbouncer-installation.html#set-limitnofile" class="topiclink">Set LimitNOFILE in the pgbouncer.service file</a>.</li><li value="5" class="p_Normal"><a href="pgbouncer-installation.html#connect-to-pgbouncer" class="topiclink">Connect to PGBouncer</a>.</li></ol>
<h2 class="p_Heading2"><a id="install-pgbouncer" class="hmanchor"></a><span class="f_Heading2">Step 1: Install PGBouncer</span></h2>
<p class="p_Normal">Install PGBouncer on the node with PostgreSQL using the following command:</p>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo&nbsp;apt-get&nbsp;install&nbsp;pgbouncer&nbsp;-y</span></p>
<h2 class="p_Heading2"><a id="configure-pgbouncer" class="hmanchor"></a><span class="f_Heading2">Шаг 2. Настройка PGBouncer</span></h2>
<h2 class="p_Heading2"><a id="configure-pgbouncer" class="hmanchor"></a><span class="f_Heading2">Step 2: Configure PGBouncer</span></h2>
<ol style="list-style-type:upper-roman">
<li value="1" class="p_Normal">Переместите конфигурационный файл по умолчанию:</li></ol>
<li value="1" class="p_Normal">Move the default configuration file:</li></ol>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo&nbsp;mv&nbsp;/etc/pgbouncer/pgbouncer.ini{,.original}</span></p>
<ol style="list-style-type:upper-roman" start="2">
<li value="2" class="p_Normal">Создайте и откройте для редактирования новый конфигурационный файл:</li></ol>
<li value="2" class="p_Normal">Create and open a new configuration file for editing:</li></ol>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo&nbsp;nano&nbsp;/etc/pgbouncer/pgbouncer.ini</span></p>
<ol style="list-style-type:upper-roman" start="3">
<li value="3" class="p_Normal">Добавьте пример конфигураций в файл:</li></ol>
<li value="3" class="p_Normal">Add the example configurations to the file:</li></ol>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">[databases]</span><br />
<span class="f_CodeExample">postgres&nbsp;=&nbsp;host=127.0.0.1&nbsp;port=5432&nbsp;dbname=elma365</span><br />
<span class="f_CodeExample">*&nbsp;=&nbsp;host=127.0.0.1&nbsp;port=5432</span><br />
@ -153,71 +151,68 @@
<span class="f_CodeExample">listen_backlog&nbsp;=&nbsp;4096</span><br />
<span class="f_CodeExample">log_connections&nbsp;=&nbsp;0</span><br />
<span class="f_CodeExample">log_disconnections&nbsp;=&nbsp;0</span></p>
<p class="p_Normal">где:</p>
<p class="p_Normal">where:</p>
<ul style="list-style-type:disc">
<li class="p_Normal"><code><b>listen_addr</b></code> — список адресов через запятую, где прослушивать соединения TCP. Если вы установите <code><b>*</b></code>, будут прослушивать все адреса;</li><li class="p_Normal"><code><b>listen_port</b></code> — порт для прослушивания, по умолчанию установлено <code><b>6432</b></code>;</li><li class="p_Normal"><code><b>pool_mode</b></code> — режим работы;</li><li class="p_Normal"><code><b>auth_type</b></code> — режим аутентификации пользователей;</li><li class="p_Normal"><code><b>max_client_conn</b></code> — максимально допустимое количество клиентских подключений;</li><li class="p_Normal"><code><b>default_pool_size</b></code> — размер пула открытых подключений к базам данных;</li><li class="p_Normal"><code><b>reserve_pool_size</b></code> — размер резервного пула открытых подключений к базам данных;</li><li class="p_Normal"><code><b>max_db_connections</b></code> — максимально допустимое количество открытых подключений к базам данных;</li><li class="p_Normal"><code><b>[databases]</b></code> — определяет имена баз данных, к которым могут подключаться клиенты PgBouncer. Указывает, куда будут маршрутизироваться эти подключения.</li></ul>
<p class="p_Normal"><a class="dropdown-toggle" style="font-style: normal; font-weight: normal; color: #000000; background-color: transparent; text-decoration: none;" href="javascript:HMToggle('toggle','TOGGLE0186A1')">Настройка включения TLS/SSL в PGBouncer</a></p>
<div id="TOGGLE0186A1" class="dropdown-toggle-body" style="text-align: left; text-indent: 0; padding: 0 0 0 0; margin: 0 0 0 0;"><table style="border:none; border-spacing:0;">
<li class="p_Normal"><code><b>listen_addr</b></code> is a comma-separated list of addresses to listen for TCP connections. If set to <code><b>*</b></code>, it will listen on all addresses;</li><li class="p_Normal"><code><b>listen_port</b></code> is the port to listen on; the default is <code><b>6432</b></code>;</li><li class="p_Normal"><code><b>pool_mode</b></code> is the work schedule;</li><li class="p_Normal"><code><b>auth_type</b></code> is the user authentication mode;</li><li class="p_Normal"><code><b>max_client_conn</b></code> is the maximum allowed number of client connections;</li><li class="p_Normal"><code><b>default_pool_size</b></code> is the size of the pool of connections to database;</li><li class="p_Normal"><code><b>reserve_pool_size</b></code> is the size of the reserve pool of connections to databases;</li><li class="p_Normal"><code><b>max_db_connections</b></code> is the maximum number of allowed open connections to databases;</li><li class="p_Normal"><code><b>[databases]</b></code> defines the names of databases that clients can connect to and where those connections will be routed.</li></ul>
<p class="p_Normal"><a class="dropdown-toggle" style="font-style: normal; font-weight: normal; color: #000000; background-color: transparent; text-decoration: none;" href="javascript:HMToggle('toggle','TOGGLE0186A1')">Configuring TLS/SSL in PGBouncer</a></p>
<div id="TOGGLE0186A1" class="dropdown-toggle-body" style="text-align: left; text-indent: 0; line-height: 1.80; padding: 0 0 0 0; margin: 0 0 0 0;"><table style="border:none; border-spacing:0;">
<tr>
<td style="vertical-align:top; padding:0; border:none"><p class="p_Normal">&nbsp;<br />
Для включения поддержки TLS/SSL в PGBouncer дабавьте в файл конфигурации <code><b>/etc/pgbouncer/pgbouncer.ini</b></code> следующие параметры:</p>
<td style="vertical-align:top; padding:0; border:none"><p class="p_Normal">To enable TLS/SSL support in PGBouncer, add the following parameters to the configuration file <code><b>/etc/pgbouncer/pgbouncer.ini</b></code>:</p>
<ul style="list-style-type:disc">
<li class="p_Normal"><code><b>client_tls_sslmode</b></code> — задайте режим работы TLS, выставив <code><b>require</b></code>;</li><li class="p_Normal"><code><b>client_tls_ca_file</b></code> — укажите путь до файла корневого CA;</li><li class="p_Normal"><code><b>client_tls_cert_file</b></code> — укажите путь до файла сертификата сервера;</li><li class="p_Normal"><code><b>client_tls_key_file</b></code> — укажите путь до файла закрытого ключа.</li></ul>
<p class="p_CodeExample" style="white-space: normal; page-break-inside: avoid;"><span class="f_CodeExample">[databases]</span><br />
<span class="f_CodeExample">postgres = host=127.0.0.1 port=5432 dbname=elma365</span><br />
<span class="f_CodeExample">* = host=127.0.0.1 port=5432</span><br />
<li class="p_Normal"><code><b>client_tls_sslmode</b></code> set TLS schedule by setting <code><b>require</b></code>;</li><li class="p_Normal"><code><b>client_tls_ca_file</b></code> specify the path to the root CA file;</li><li class="p_Normal"><code><b>client_tls_cert_file</b></code> specify &nbsp;the path to the server certificate file;</li><li class="p_Normal"><code><b>client_tls_key_file</b></code> specify the path to the private key file.</li></ul>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">[databases]</span><br />
<span class="f_CodeExample">postgres&nbsp;=&nbsp;host=127.0.0.1&nbsp;port=5432&nbsp;dbname=elma365</span><br />
<span class="f_CodeExample">*&nbsp;=&nbsp;host=127.0.0.1&nbsp;port=5432</span><br />
<span class="f_CodeExample">&nbsp;</span><br />
<span class="f_CodeExample">[pgbouncer]</span><br />
<span class="f_CodeExample">logfile = /</span><span class="f_CodeExample" style="font-weight: bold;">var</span><span class="f_CodeExample">/log/postgresql/pgbouncer.log</span><br />
<span class="f_CodeExample">pidfile = /</span><span class="f_CodeExample" style="font-weight: bold;">var</span><span class="f_CodeExample">/run/postgresql/pgbouncer.pid</span><br />
<span class="f_CodeExample">listen_addr = *</span><br />
<span class="f_CodeExample">listen_port = 6432</span><br />
<span class="f_CodeExample">unix_socket_dir = /</span><span class="f_CodeExample" style="font-weight: bold;">var</span><span class="f_CodeExample">/run/postgresql</span><br />
<span class="f_CodeExample">auth_type = md5</span><br />
<span class="f_CodeExample">auth_file = /etc/pgbouncer/userlist.txt</span><br />
<span class="f_CodeExample">admin_users = postgres</span><br />
<span class="f_CodeExample">ignore_startup_parameters = extra_float_digits,geqo</span><br />
<span class="f_CodeExample">pool_mode = session</span><br />
<span class="f_CodeExample">server_reset_query = DISCARD ALL</span><br />
<span class="f_CodeExample">max_client_conn = 10000</span><br />
<span class="f_CodeExample">default_pool_size = 800</span><br />
<span class="f_CodeExample">reserve_pool_size = 150</span><br />
<span class="f_CodeExample">reserve_pool_timeout = 1</span><br />
<span class="f_CodeExample">max_db_connections = 1000</span><br />
<span class="f_CodeExample">pkt_buf = 8192</span><br />
<span class="f_CodeExample">listen_backlog = 4096</span><br />
<span class="f_CodeExample">log_connections = 0</span><br />
<span class="f_CodeExample">log_disconnections = 0</span><br />
<span class="f_CodeExample">client_tls_sslmode = require</span><br />
<span class="f_CodeExample">client_tls_ca_file = /etc/ssl/certs/rootCA.pem</span><br />
<span class="f_CodeExample">client_tls_key_file = /etc/ssl/</span><span class="f_CodeExample" style="font-weight: bold;">private</span><span class="f_CodeExample">/selfsigned.key</span><br />
<span class="f_CodeExample">client_tls_cert_file = /etc/ssl/certs/selfsigned.crt</span></p>
<p class="p_Normal">&nbsp;<br />
Подробнее о настройке TLS/SSL в PGBouncer читайте в <a href="https://www.pgbouncer.org/config.html#tls-settings" target="_blank" class="weblink">официальной документации PGBouncer</a>.</p>
<span class="f_CodeExample">logfile&nbsp;=&nbsp;/</span><span class="f_CodeExample" style="font-weight: bold;">var</span><span class="f_CodeExample">/log/postgresql/pgbouncer.log</span><br />
<span class="f_CodeExample">pidfile&nbsp;=&nbsp;/</span><span class="f_CodeExample" style="font-weight: bold;">var</span><span class="f_CodeExample">/run/postgresql/pgbouncer.pid</span><br />
<span class="f_CodeExample">listen_addr&nbsp;=&nbsp;*</span><br />
<span class="f_CodeExample">listen_port&nbsp;=&nbsp;6432</span><br />
<span class="f_CodeExample">unix_socket_dir&nbsp;=&nbsp;/</span><span class="f_CodeExample" style="font-weight: bold;">var</span><span class="f_CodeExample">/run/postgresql</span><br />
<span class="f_CodeExample">auth_type&nbsp;=&nbsp;md5</span><br />
<span class="f_CodeExample">auth_file&nbsp;=&nbsp;/etc/pgbouncer/userlist.txt</span><br />
<span class="f_CodeExample">admin_users&nbsp;=&nbsp;postgres</span><br />
<span class="f_CodeExample">ignore_startup_parameters&nbsp;=&nbsp;extra_float_digits,geqo</span><br />
<span class="f_CodeExample">pool_mode&nbsp;=&nbsp;session</span><br />
<span class="f_CodeExample">server_reset_query&nbsp;=&nbsp;DISCARD&nbsp;ALL</span><br />
<span class="f_CodeExample">max_client_conn&nbsp;=&nbsp;10000</span><br />
<span class="f_CodeExample">default_pool_size&nbsp;=&nbsp;800</span><br />
<span class="f_CodeExample">reserve_pool_size&nbsp;=&nbsp;150</span><br />
<span class="f_CodeExample">reserve_pool_timeout&nbsp;=&nbsp;1</span><br />
<span class="f_CodeExample">max_db_connections&nbsp;=&nbsp;1000</span><br />
<span class="f_CodeExample">pkt_buf&nbsp;=&nbsp;8192</span><br />
<span class="f_CodeExample">listen_backlog&nbsp;=&nbsp;4096</span><br />
<span class="f_CodeExample">log_connections&nbsp;=&nbsp;0</span><br />
<span class="f_CodeExample">log_disconnections&nbsp;=&nbsp;0</span><br />
<span class="f_CodeExample">client_tls_sslmode&nbsp;=&nbsp;require</span><br />
<span class="f_CodeExample">client_tls_ca_file&nbsp;=&nbsp;/etc/ssl/certs/rootCA.pem</span><br />
<span class="f_CodeExample">client_tls_key_file&nbsp;=&nbsp;/etc/ssl/</span><span class="f_CodeExample" style="font-weight: bold;">private</span><span class="f_CodeExample">/selfsigned.key</span><br />
<span class="f_CodeExample">client_tls_cert_file&nbsp;=&nbsp;/etc/ssl/certs/selfsigned.crt</span></p>
<p class="p_Normal">Refer to the <a href="https://www.pgbouncer.org/config.html#tls-settings" target="_blank" class="weblink">official PGBouncer documentation</a> for detailed TLS/SSL configuration.</p>
</td>
</tr>
</table>
</div>
<h2 class="p_Heading2"><a id="add-users" class="hmanchor"></a><span class="f_Heading2">Шаг 3. Добавление пользователей</span></h2>
<p class="p_Normal">Добавьте в файл <code><b>/etc/pgbouncer/userlist.txt</b></code> имена пользователей и пароли, с которыми PGBouncer подключается к базе. Для этого:</p>
<h2 class="p_Heading2"><a id="add-users" class="hmanchor"></a><span class="f_Heading2">Step 3: Add users</span></h2>
<p class="p_Normal">To the <code><b>/etc/pgbouncer/userlist.txt</b></code> file, add the usernames and passwords for connecting PgBouncer to the database. To do this:</p>
<ol style="list-style-type:upper-roman">
<li value="1" class="p_Normal">Создайте файл <code><b>userlist.txt</b></code>, выполнив команду:</li></ol>
<li value="1" class="p_Normal">Create file <code><b>userlist.txt</b></code>:</li></ol>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo&nbsp;nano&nbsp;/etc/pgbouncer/userlist.txt</span></p>
<ol style="list-style-type:upper-roman" start="2">
<li value="2" class="p_Normal">Добавьте в файл <code><b>userlist.txt</b></code> пользователя и пароль для подключения к PostgreSQL. Пользователь <span style="font-weight: bold;">elma365</span> был ранее создан при развёртывании PostgreSQL. Подробнее об этом читайте в статьях <a href="postgresql.html" class="topiclink">«PostgreSQL»</a> и <a href="configure-postgresql.html" class="topiclink">«Кластер PostgreSQL»</a>.</li></ol>
<li value="2" class="p_Normal">Add the username and password to the file <code><b>userlist.txt</b></code> for connecting to PostgreSQL. The user <span style="font-weight: bold;">elma365</span> was previously created during the deployment of PostgreSQL. For more information, refer to the articles <a href="postgresql.html" class="topiclink">PostgreSQL</a> and <a href="configure-postgresql.html" class="topiclink">PostgreSQL cluster</a>.</li></ol>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">&quot;elma365&quot;&nbsp;&quot;SecretPassword&quot;</span></p>
<h2 class="p_Heading2"><a id="set-limitnofile" class="hmanchor"></a><span class="f_Heading2">Шаг 4. Задание LimitNOFILE в файле pgbouncer.service</span></h2>
<p class="p_Normal">Добавьте в файл сервиса PGBouncer в секцию <span style="font-weight: bold;">Service</span> параметр <code><b>LimitNOFILE</b></code>.</p>
<h2 class="p_Heading2"><a id="set-limitnofile" class="hmanchor"></a><span class="f_Heading2">Step 4: Set LimitNOFILE in the pgbouncer.service file</span></h2>
<p class="p_Normal">Add the <code><b>LimitNOFILE</b></code> parameter to the Service section of the PGBouncer service file.</p>
<ol style="list-style-type:upper-roman">
<li value="1" class="p_Normal">Откройте файл <code><b>/lib/systemd/system/pgbouncer.service</b></code>, выполнив команду:</li></ol>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo&nbsp;nano&nbsp;/lib/systemd/system/pgbouncer.service</span></p>
<li value="1" class="p_Normal">Open the file<code><b>/lib/systemd/system/pgbouncer.service</b></code>:</li></ol>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo&nbsp;nano&nbsp;/etc/pgbouncer/userlist.txt</span></p>
<ol style="list-style-type:upper-roman" start="2">
<li value="2" class="p_Normal">Задайте лимит на открытие файлов <code><b>LimitNOFILE</b></code> равным <code><b>15000</b></code>.</li></ol>
<p class="p_Normal"><a class="dropdown-toggle" style="font-style: normal; font-weight: normal; color: #000000; background-color: transparent; text-decoration: none;" href="javascript:HMToggle('toggle','TOGGLE0186A2')">Пример добавления LimitNOFILE в pgbouncer.service</a></p>
<div id="TOGGLE0186A2" class="dropdown-toggle-body" style="text-align: left; text-indent: 0; padding: 0 0 0 0; margin: 0 0 0 0;"><table style="border:none; border-spacing:0;">
<li value="2" class="p_Normal">Set the file open limit <code><b>LimitNOFILE</b></code> to <code><b>15000</b></code>.</li></ol>
<p class="p_Normal"><a class="dropdown-toggle" style="font-style: normal; font-weight: normal; color: #000000; background-color: transparent; text-decoration: none;" href="javascript:HMToggle('toggle','TOGGLE0186A2')">Example of adding LimitNOFILE to pgbouncer.service</a></p>
<div id="TOGGLE0186A2" class="dropdown-toggle-body" style="text-align: left; text-indent: 0; line-height: 1.80; padding: 0 0 0 0; margin: 0 0 0 0;"><table style="border:none; border-spacing:0;">
<tr>
<td style="vertical-align:top; padding:0; border:none"><p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">&nbsp;</span><br />
<span class="f_CodeExample">[Unit]</span><br />
<td style="vertical-align:top; padding:0; border:none"><p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">[Unit]</span><br />
<span class="f_CodeExample">Description=connection&nbsp;pooler&nbsp;</span><span class="f_CodeExample" style="font-weight: bold;">for</span><span class="f_CodeExample">&nbsp;PostgreSQL</span><br />
<span class="f_CodeExample">Documentation=man:pgbouncer(1)</span><br />
<span class="f_CodeExample">Documentation=https:</span><span class="f_CodeExample">//www.pgbouncer.org/</span><br />
@ -239,13 +234,13 @@
</table>
</div>
<ol style="list-style-type:upper-roman" start="3">
<li value="3" class="p_Normal">Перезапустите PGBouncer, выполнив команду:</li></ol>
<li value="3" class="p_Normal">Restart PgBouncer:</li></ol>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo&nbsp;systemctl&nbsp;daemon-reload</span><br />
<span class="f_CodeExample">sudo&nbsp;systemctl&nbsp;restart&nbsp;pgbouncer</span></p>
<h2 class="p_Heading2"><a id="connect-to-pgbouncer" class="hmanchor"></a><span class="f_Heading2">Шаг 5. Подключение к PGBouncer</span></h2>
<p class="p_Normal">Строка подключения к PGBouncer:</p>
<h2 class="p_Heading2"><a id="connect-to-pgbouncer" class="hmanchor"></a><span class="f_Heading2">Step 5: Connect to PGBouncer</span></h2>
<p class="p_Normal">Connection string for PGBouncer:</p>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">postgresql:</span><span class="f_CodeExample">//elma365:SecretPassword@&lt;postgresql-server-address&gt;:6432/elma365?sslmode=disable</span></p>
<p class="p_Normal">Строка подключения к PGBouncer с TLS/SSL:</p>
<p class="p_Normal">Connection string for PGBouncer with TLS/SSL:</p>
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">postgresql:</span><span class="f_CodeExample">//elma365:SecretPassword@&lt;postgresql-server-address&gt;:6432/elma365?sslmode=require</span></p>
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