<tbody>
<row>
<entry>Pgpool-IIバージョン</entry>
- <entry>4.6.1</entry>
+ <entry>4.7.0</entry>
<entry>-</entry>
</row>
<row>
<para>
<productname>Pgpool-II</productname>をインストールします。
- <productname>Pgpool-II</productname>のインストールに必要なlibmemcachedライブラリをインストールするために、<literal>crb</literal>リポジトリを有効にする必要があります。
- <literal>Rocky Linux 8</literal>を使用する場合、<literal>crb</literal>リポジトリではなく、<literal>powertools</literal>リポジトリを使用してください。
-
+ Rocky Linux 10で<productname>PgPool-II</productname>をインストールするには、依存関係を満たすためにEPELリポジトリの有効化とlibmemcached-awesome-develが必要です。
+ </para>
+ <programlisting>
+[全サーバ]# dnf install -y https://www.pgpool.net/yum/rpms/4.7/redhat/rhel-10-x86_64/pgpool-II-release-4.7-1.noarch.rpm
+[全サーバ]# dnf install -y epel-release
+[全サーバ]# dnf install -y libmemcached-awesome-devel
+[全サーバ]# dnf install -y pgpool-II-pg18-*
+ </programlisting>
+ <para>
+ <literal>Rocky Linux 9</literal>を使用する場合、<literal>epel</literal>リポジトリではなく、<literal>crb</literal>リポジトリを、
+ <literal>Rocky Linux 8</literal>を使用する場合は<literal>powertools</literal>リポジトリを有効化してください。
</para>
<programlisting>
-[全サーバ]# dnf install -y https://www.pgpool.net/yum/rpms/4.6/redhat/rhel-10-x86_64/pgpool-II-release-4.6-1.noarch.rpm
[全サーバ]# dnf install -y --enablerepo=crb pgpool-II-pg18-*
</programlisting>
</sect2>
<command>pcp_recovery_node</command>コマンドで<filename>recovery_1st_stage</filename>と<filename>pgpool_remote_start</filename>スクリプトが実行されるので（<filename>recovery_1st_stage</filename>は<varname>recovery_1st_stage_command</varname>パラメータに設定したスクリプト）、この2つのスクリプトが現在稼働中のプライマリサーバ<literal>server1</literal>のデータベースクラスタに存在することを確認してください。
</para>
<programlisting>
-[いずれかのサーバ]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 1 -W
+[いずれかのサーバ]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 1
Password:
pcp_recovery_node -- Command Successful
-[いずれかのサーバ]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 2 -W
+[いずれかのサーバ]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 2
Password:
pcp_recovery_node -- Command Successful
</programlisting>
最初に起動した<productname>Pgpool-II</productname>がリーダーになります。
</para>
<programlisting>
-[いずれかのサーバ]# pcp_watchdog_info -h 192.168.100.50 -p 9898 -U pgpool -W
+[いずれかのサーバ]# pcp_watchdog_info -h 192.168.100.50 -p 9898 -U pgpool
Password:
3 3 YES server1:9999 Linux server1 server1
<programlisting>
[root@server1 ~]# systemctl stop pgpool.service
-[root@server1 ~]# pcp_watchdog_info -p 9898 -h 192.168.100.50 -U pgpool -W
+[root@server1 ~]# pcp_watchdog_info -p 9898 -h 192.168.100.50 -U pgpool
Password:
3 3 YES server2:9999 Linux server2 server2
<programlisting>
[root@server1 ~]# systemctl start pgpool.service
-[root@server1 ~]# pcp_watchdog_info -p 9898 -h 192.168.100.50 -U pgpool -W
+[root@server1 ~]# pcp_watchdog_info -p 9898 -h 192.168.100.50 -U pgpool
Password:
3 3 YES server2:9999 Linux server2 server2
<command>pcp_recovery_node</command>コマンドで<filename>recovery_1st_stage</filename>と<filename>pgpool_remote_start</filename>スクリプトが実行されるので（<filename>recovery_1st_stage</filename>は<varname>recovery_1st_stage_command</varname>パラメータに設定したスクリプト）、この2つのスクリプトが現在稼働中のプライマリサーバ<literal>server2</literal>のデータベースクラスタに存在することを確認してください。
</para>
<programlisting>
-[いずれかのサーバ]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 0 -W
+[いずれかのサーバ]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 0
Password:
pcp_recovery_node -- Command Successful
</programlisting>
<programlisting>
[any server]# psql -h 192.168.100.50 -p 9999 -U pgpool postgres -c "show pool_nodes"
Password for user pgpool:
-node_id | hostname | port | status | lb_weight | role | select_cnt | load_balance_node | replication_delay | replication_state | replication_sync_state | last_status_change
+ node_id | hostname | port | status | pg_status | lb_weight | role | pg_role | select_cnt | load_balance_node | replication_delay | replication_state | replication_sync_state | last_status_change
---------+----------+------+--------+-----------+-----------+---------+---------+------------+-------------------+-------------------+-------------------+------------------------+---------------------
0 | server1 | 5432 | up | up | 0.333333 | standby | standby | 0 | true | 0 | streaming | async | 2023-11-10 17:22:03
1 | server2 | 5432 | up | up | 0.333333 | primary | primary | 0 | false | 0 | | | 2023-11-10 17:05:40
- 2 | server3 | 5432 | up | up | 0.333333 | standby | standby | 0 | false | 0 | streaming | async | 2023-11-10 17:05:51
+ 2 | server3 | 5432 | up | up | 0.333333 | standby | standby | 0 | falas | 0 | streaming | async | 2023-11-10 17:05:51
(3 rows)
</programlisting>
<para>
</para>
<para>
<!--
- The following commands assume that you are using Pgpool-II 4.6.x for PostgreSQL 18 on RHEL10.
+ The following commands assume that you are using Pgpool-II 4.7.x for PostgreSQL 18 on RHEL10.
If you are using other versions, replace "pgXX" with your PostgreSQL version.
-->
- 以下の手順はRHEL10に<productname>PostgreSQL 18</productname>に対応した<productname>Pgpool-II 4.6.x</productname>をインストールすることが前提となります。
+ 以下の手順はRHEL10に<productname>PostgreSQL 18</productname>に対応した<productname>Pgpool-II 4.7.x</productname>をインストールすることが前提となります。
他のバージョンの<productname>PostgreSQL</productname>を利用している場合は、<productname>PostgreSQL</productname>のバージョンに応じて「pgXX」を適宜置き換えてください。
</para>
<para>
REHL9/8の場合は、<ulink url="https://www.pgpool.net/mediawiki/index.php/Yum_Repository">こちら</ulink>を参照してください。
</para>
<programlisting>
-dnf install https://www.pgpool.net/yum/rpms/4.6/redhat/rhel-10-x86_64/pgpool-II-release-4.6-1.noarch.rpm
+dnf install https://www.pgpool.net/yum/rpms/4.7/redhat/rhel-10-x86_64/pgpool-II-release-4.7-1.noarch.rpm
+ </programlisting>
+ <para>
+ <!--
+ To install <productname>Pgpool-II</productname> on Rocky Linux 10, you need to enable the EPEL repository and install libmemcached-awesome-devel to satisfy dependencies.
+ Before installing <productname>Pgpool-II</productname>, run the following commands.
+ -->
+ Rocky Linux 10で<productname>PgPool-II</productname>をインストールするには、依存関係を満たすためにEPELリポジトリの有効化とlibmemcached-awesome-develが必要です。
+ <productname>Pgpool-II</productname>インストール前に以下コマンドを実行してください。
+ </para>
+ <programlisting>
+dnf install epel-release
+dnf install libmemcached-awesome-devel
</programlisting>
<para>
<!--
<tbody>
<row>
<entry>Pgpool-II Version</entry>
- <entry>4.6.1</entry>
+ <entry>4.7.0</entry>
<entry>-</entry>
</row>
<row>
<para>
Install <productname>Pgpool-II</productname> from
<productname>Pgpool-II</productname> YUM repository.
- To install the required libmemcached library for Pgpool-II,
- you need to enable <literal>crb</literal> repository.
- If you're using <literal>Rocky Linux 8</literal>,
- use <literal>powertools</literal> repository instead of
- <literal>crb</literal> repository.
+ To install <productname>Pgpool-II</productname> on Rocky Linux 10,
+ you need to enable <literal>epel</literal> repository and install libmemcached-awesome-devel to satisfy dependencies.
+ </para>
+ <programlisting>
+[all servers]# dnf install -y https://www.pgpool.net/yum/rpms/4.7/redhat/rhel-10-x86_64/pgpool-II-release-4.7-1.noarch.rpm
+[all servers]# dnf install -y epel-release
+[all servers]# dnf install -y libmemcached-awesome-devel
+[all servers]# dnf install -y pgpool-II-pg18-*
+ </programlisting>
+ <para>
+ If you're using <literal>Rocky Linux 9</literal>,
+ use <literal>crb</literal> repository insted of <literal>epel</literal>.
+ For <literal>Rocky Linux 8</literal>,
+ use <literal>powertools</literal> repository instead.
</para>
<programlisting>
-[all servers]# dnf install -y https://www.pgpool.net/yum/rpms/4.6/redhat/rhel-9-x86_64/pgpool-II-release-4.6-1.noarch.rpm
[all servers]# dnf install -y --enablerepo=crb pgpool-II-pg18-*
</programlisting>
</sect2>
primary server (<literal>server1</literal>).
</para>
<programlisting>
-[any server]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 1 -W
+[any server]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 1
Password:
pcp_recovery_node -- Command Successful
-[any server]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 2 -W
+[any server]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 2
Password:
pcp_recovery_node -- Command Successful
</programlisting>
Confirm the watchdog status by using <command>pcp_watchdog_info</command>. The <command>Pgpool-II</command> server which is started first runs as <literal>LEADER</literal>.
</para>
<programlisting>
-[any server]# pcp_watchdog_info -h 192.168.100.50 -p 9898 -U pgpool -W
+[any server]# pcp_watchdog_info -h 192.168.100.50 -p 9898 -U pgpool
Password:
3 3 YES server1:9999 Linux server1 server1
<programlisting>
[root@server1 ~]# systemctl stop pgpool.service
-[root@server1 ~]# pcp_watchdog_info -p 9898 -h 192.168.100.50 -U pgpool -W
+[root@server1 ~]# pcp_watchdog_info -p 9898 -h 192.168.100.50 -U pgpool
Password:
3 3 YES server2:9999 Linux server2 server2
<programlisting>
[root@server1 ~]# systemctl start pgpool.service
-[root@server1 ~]# pcp_watchdog_info -p 9898 -h 192.168.100.50 -U pgpool -W
+[root@server1 ~]# pcp_watchdog_info -p 9898 -h 192.168.100.50 -U pgpool
Password:
3 3 YES server2:9999 Linux server2 server2
as a standby.
</para>
<programlisting>
-[any server]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 0 -W
+[any server]# pcp_recovery_node -h 192.168.100.50 -p 9898 -U pgpool -n 0
Password:
pcp_recovery_node -- Command Successful
</programlisting>
<programlisting>
[any server]# psql -h 192.168.100.50 -p 9999 -U pgpool postgres -c "show pool_nodes"
Password for user pgpool:
-node_id | hostname | port | status | lb_weight | role | select_cnt | load_balance_node | replication_delay | replication_state | replication_sync_state | last_status_change
+ node_id | hostname | port | status | pg_status | lb_weight | role | pg_role | select_cnt | load_balance_node | replication_delay | replication_state | replication_sync_state | last_status_change
---------+----------+------+--------+-----------+-----------+---------+---------+------------+-------------------+-------------------+-------------------+------------------------+---------------------
0 | server1 | 5432 | up | up | 0.333333 | standby | standby | 0 | true | 0 | streaming | async | 2023-11-10 17:22:03
1 | server2 | 5432 | up | up | 0.333333 | primary | primary | 0 | false | 0 | | | 2023-11-10 17:05:40
- 2 | server3 | 5432 | up | up | 0.333333 | standby | standby | 0 | false | 0 | streaming | async | 2023-11-10 17:05:51
+ 2 | server3 | 5432 | up | up | 0.333333 | standby | standby | 0 | falas | 0 | streaming | async | 2023-11-10 17:05:51
(3 rows)
</programlisting>
</sect3>
</para>
<para>
- The following commands assume that you are using Pgpool-II 4.6.x for PostgreSQL 18 on RHEL10.
+ The following commands assume that you are using Pgpool-II 4.7.x for PostgreSQL 18 on RHEL10.
If you are using other versions, replace "pgXX" with your PostgreSQL version.
</para>
<para>
For REHL9/8, see <ulink url="https://www.pgpool.net/mediawiki/index.php/Yum_Repository">here</ulink>.
</para>
<programlisting>
-dnf install https://www.pgpool.net/yum/rpms/4.6/redhat/rhel-10-x86_64/pgpool-II-release-4.6-1.noarch.rpm
+dnf install https://www.pgpool.net/yum/rpms/4.7/redhat/rhel-10-x86_64/pgpool-II-release-4.7-1.noarch.rpm
+ </programlisting>
+ <para>
+ To install <productname>Pgpool-II</productname> on Rocky Linux 10, you need to enable the EPEL repository and install libmemcached-awesome-devel to satisfy dependencies.
+ Before installing <productname>Pgpool-II</productname>, run the following commands.
+ </para>
+ <programlisting>
+dnf install epel-release
+dnf install libmemcached-awesome-devel
</programlisting>
<para>
Then, install <productname>Pgpool-II</productname>.
projects / pgpool2.git / commitdiff