{"id":10115,"date":"2021-01-12T13:55:07","date_gmt":"2021-01-12T12:55:07","guid":{"rendered":"http:\/\/arumel.com\/?p=10115"},"modified":"2021-01-12T13:55:07","modified_gmt":"2021-01-12T12:55:07","slug":"failover-auto-pgbouncer-repmgr-postgresql-13-parte-3","status":"publish","type":"post","link":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/","title":{"rendered":"Failover auto – Pgbouncer + Repmgr + Postgresql 13 (parte 3)"},"content":{"rendered":"

\"\"<\/p>\n

Ver parte 1<\/a><\/p>\n

Ver parte 2<\/a><\/p>\n

Vamos a ver las diferentes opciones que tenemos en el base de datos virtual de pgbouncer.<\/p>\n

[postgres@postgres4 ~]$ psql --host=192.168.0.104 --username=postgres --port=6432 --dbname=pgbouncer<\/strong><\/code><\/p>\n

192.168.0.104:6432; postgres@pgbouncer # SHOW HELP;<\/code>
\nNOTICE: Console usage<\/code>
\nDETAIL: <\/code>
\nSHOW HELP|CONFIG|DATABASES|POOLS|CLIENTS|SERVERS|USERS|VERSION<\/code>
\nSHOW FDS|SOCKETS|ACTIVE_SOCKETS|LISTS|MEM<\/code>
\nSHOW DNS_HOSTS|DNS_ZONES<\/code>
\nSHOW STATS|STATS_TOTALS|STATS_AVERAGES|TOTALS<\/code>
\nSET key = arg<\/code>
\nRELOAD<\/code>
\nPAUSE [<db>]<\/code>
\nRESUME [<db>]<\/code>
\nDISABLE <db><\/code>
\nENABLE <db><\/code>
\nRECONNECT [<db>]<\/code>
\nKILL <db><\/code>
\nSUSPEND<\/code>
\nSHUTDOWN<\/code><\/p>\n

SHOW<\/code><\/p>\n

 <\/p>\n

Vemos las bases de datos configuradas dentro del pgbouncer:<\/p>\n

192.168.0.104:6432; postgres@pgbouncer # show databases;<\/strong><\/code>
\n+-----------+-----------+------+-----------+------------+-----------+--------------+-----------+-----------------+---------------------+--------+----------+<\/code>
\n| name | host | port | database | force_user | pool_size | reserve_pool | pool_mode | max_connections | current_connections | paused | disabled |<\/code>
\n+-----------+-----------+------+-----------+------------+-----------+--------------+-----------+-----------------+---------------------+--------+----------+<\/code>
\n| appdb | postgres2 | 5432 | appdb | NULL | 20 | 5 | NULL | 0 | 5 | 0 | 0 |<\/code>
\n| pgbouncer | NULL | 6432 | pgbouncer | pgbouncer | 2 | 0 | statement | 0 | 0 | 0 | 0 |<\/code>
\n+-----------+-----------+------+-----------+------------+-----------+--------------+-----------+-----------------+---------------------+--------+----------+<\/code>
\n(2 rows)<\/code><\/p>\n

 <\/p>\n

Los clientes haciendo uso de ellas:<\/p>\n

192.168.0.104:6432; postgres@pgbouncer # show clients;<\/strong><\/code>
\n+------+----------+-----------+--------+---------------+-------+---------------+------------+-------------------------+-------------------------+------+---------+------------<\/code>
\n--+----------------+------+------------+-----+<\/code>
\n| type | user | database | state | addr | port | local_addr | local_port | connect_time | request_time | wait | wait_us | close_neede<\/code>
\nd | ptr | link | remote_pid | tls |<\/code>
\n+------+----------+-----------+--------+---------------+-------+---------------+------------+-------------------------+-------------------------+------+---------+------------<\/code>
\n--+----------------+------+------------+-----+<\/code>
\n| C | postgres | pgbouncer | active | 192.168.0.104 | 52782 | 192.168.0.104 | 6432 | 2021-01-09 13:12:10 CET | 2021-01-09 13:13:27 CET | 76 | 321602 | <\/code>
\n0 | 0x55c65053c260 | | 0 | |<\/code>
\n+------+----------+-----------+--------+---------------+-------+---------------+------------+-------------------------+-------------------------+------+---------+------------<\/code>
\n--+----------------+------+------------+-----+<\/code>
\n(1 row)<\/code><\/p>\n

 <\/p>\n

Vemos los pools configurados:<\/p>\n

192.168.0.104:6432; postgres@pgbouncer # show pools;<\/strong><\/code>
\n+-----------+-----------+-----------+------------+-----------+---------+---------+-----------+----------+---------+------------+-------------+<\/code>
\n| database | user | cl_active | cl_waiting | sv_active | sv_idle | sv_used | sv_tested | sv_login | maxwait | maxwait_us | pool_mode |<\/code>
\n+-----------+-----------+-----------+------------+-----------+---------+---------+-----------+----------+---------+------------+-------------+<\/code>
\n| appdb | appdb | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | transaction |<\/code>
\n| pgbouncer | pgbouncer | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | statement |<\/code>
\n+-----------+-----------+-----------+------------+-----------+---------+---------+-----------+----------+---------+------------+-------------+<\/code>
\n(2 rows)<\/code><\/p>\n

 <\/p>\n

Vemos los servidores configurados:<\/p>\n

192.168.0.104:6432; postgres@pgbouncer # show servers;<\/strong><\/code>
\n+------+-------+----------+-------+---------------+------+---------------+------------+-------------------------+-------------------------+------+---------+--------------+---<\/code>
\n-------------+------+------------+-----+<\/code>
\n| type | user | database | state | addr | port | local_addr | local_port | connect_time | request_time | wait | wait_us | close_needed | <\/code>
\nptr | link | remote_pid | tls |<\/code>
\n+------+-------+----------+-------+---------------+------+---------------+------------+-------------------------+-------------------------+------+---------+--------------+---<\/code>
\n-------------+------+------------+-----+<\/code>
\n| S | appdb | appdb | used | 192.168.0.102 | 5432 | 192.168.0.104 | 35874 | 2021-01-09 13:07:21 CET | 2021-01-09 13:07:22 CET | 0 | 0 | 0 | 0x<\/code>
\n55c6505438c0 | | 34547 | |<\/code>
\n| S | appdb | appdb | used | 192.168.0.102 | 5432 | 192.168.0.104 | 35872 | 2021-01-09 13:07:21 CET | 2021-01-09 13:07:21 CET | 0 | 0 | 0 | 0x<\/code>
\n55c650543690 | | 34546 | |<\/code>
\n| S | appdb | appdb | used | 192.168.0.102 | 5432 | 192.168.0.104 | 35870 | 2021-01-09 13:07:21 CET | 2021-01-09 13:07:21 CET | 0 | 0 | 0 | 0x<\/code>
\n55c650543460 | | 34544 | |<\/code>
\n| S | appdb | appdb | used | 192.168.0.102 | 5432 | 192.168.0.104 | 35868 | 2021-01-09 13:07:20 CET | 2021-01-09 13:07:20 CET | 0 | 0 | 0 | 0x<\/code>
\n55c650543230 | | 34542 | |<\/code>
\n| S | appdb | appdb | used | 192.168.0.102 | 5432 | 192.168.0.104 | 35866 | 2021-01-09 13:07:20 CET | 2021-01-09 13:07:20 CET | 0 | 0 | 0 | 0x<\/code>
\n55c650543000 | | 34541 | |<\/code>
\n+------+-------+----------+-------+---------------+------+---------------+------------+-------------------------+-------------------------+------+---------+--------------+---<\/code>
\n-------------+------+------------+-----+<\/code>
\n(5 rows)<\/code><\/p>\n

 <\/p>\n

Vemos los FDS:<\/p>\n

92.168.0.104:6432; postgres@pgbouncer # SHOW FDS;<\/strong><\/code>
\n+----+--------+-------+----------+---------------+------+-----------------+------+-----------------+-------------+-----------+---------------+----------+------------------+--<\/code>
\n----------------+<\/code>
\n| fd | task | user | database | addr | port | cancel | link | client_encoding | std_strings | datestyle | timezone | password | scram_client_key | s<\/code>
\ncram_server_key |<\/code>
\n+----+--------+-------+----------+---------------+------+-----------------+------+-----------------+-------------+-----------+---------------+----------+------------------+--<\/code>
\n----------------+<\/code>
\n| 8 | pooler | NULL | NULL | 0.0.0.0 | 6432 | 0 | 0 | NULL | NULL | NULL | NULL | NULL | NULL | N<\/code>
\nULL |<\/code>
\n| 9 | pooler | NULL | NULL | :: | 6432 | 0 | 0 | NULL | NULL | NULL | NULL | NULL | NULL | N<\/code>
\nULL |<\/code>
\n| 10 | pooler | NULL | NULL | unix | 6432 | 0 | 0 | NULL | NULL | NULL | NULL | NULL | NULL | N<\/code>
\nULL |<\/code>
\n| 16 | server | appdb | appdb | 192.168.0.102 | 5432 | 148379907212587 | 0 | UTF8 | on | ISO, MDY | Europe\/Madrid | NULL | NULL | N<\/code>
\nULL |<\/code>
\n| 15 | server | appdb | appdb | 192.168.0.102 | 5432 | 148377622469219 | 0 | UTF8 | on | ISO, MDY | Europe\/Madrid | NULL | NULL | N<\/code>
\nULL |<\/code>
\n| 14 | server | appdb | appdb | 192.168.0.102 | 5432 | 148366069438019 | 0 | UTF8 | on | ISO, MDY | Europe\/Madrid | NULL | NULL | N<\/code>
\nULL |<\/code>
\n| 13 | server | appdb | appdb | 192.168.0.102 | 5432 | 148358806406606 | 0 | UTF8 | on | ISO, MDY | Europe\/Madrid | NULL | NULL | N<\/code>
\nULL |<\/code>
\n| 12 | server | appdb | appdb | 192.168.0.102 | 5432 | 148356199612857 | 0 | UTF8 | on | ISO, MDY | Europe\/Madrid | NULL | NULL | N<\/code>
\nULL |<\/code>
\n+----+--------+-------+----------+---------------+------+-----------------+------+-----------------+-------------+-----------+---------------+----------+------------------+--<\/code>
\n----------------+<\/code>
\n(8 rows)<\/code><\/p>\n

 <\/p>\n

Y por \u00faltimo la configuraci\u00f3n de esta base de datos virtual:<\/p>\n

192.168.0.104:6432; postgres@pgbouncer # show config;<\/strong><\/code>
\n+---------------------------+--------------------------------------------------------+--------------------------------------------------------+------------+<\/code>
\n| key | value | default | changeable |<\/code>
\n+---------------------------+--------------------------------------------------------+--------------------------------------------------------+------------+<\/code>
\n| admin_users | postgres | | yes |<\/code>
\n| application_name_add_host | 0 | 0 | yes |<\/code>
\n| auth_file | \/etc\/pgbouncer\/userlist.txt | NULL | yes |<\/code>
\n| auth_hba_file | | | yes |<\/code>
\n| auth_query | SELECT usename, passwd FROM pg_shadow WHERE usename=$1 | SELECT usename, passwd FROM pg_shadow WHERE usename=$1 | yes |<\/code>
\n| auth_type | trust | md5 | yes |<\/code>
\n| auth_user | NULL | NULL | yes |<\/code>
\n| autodb_idle_timeout | 3600 | 3600 | yes |<\/code>
\n| client_idle_timeout | 0 | 0 | yes |<\/code>
\n| client_login_timeout | 60 | 60 | yes |<\/code>
\n| client_tls_ca_file | | | no |<\/code>
\n| client_tls_cert_file | | | no |<\/code>
\n| client_tls_ciphers | fast | fast | no |<\/code>
\n| client_tls_dheparams | auto | auto | no |<\/code>
\n| client_tls_ecdhcurve | auto | auto | no |<\/code>
\n| client_tls_key_file | | | no |<\/code>
\n| client_tls_protocols | secure | secure | no |<\/code>
\n| client_tls_sslmode | disable | disable | no |<\/code>
\n| conffile | \/etc\/pgbouncer\/pgbouncer.ini | NULL | yes |<\/code>
\n| default_pool_size | 20 | 20 | yes |<\/code>
\n| disable_pqexec | 0 | 0 | no |<\/code>
\n| dns_max_ttl | 15 | 15 | yes |<\/code>
\n| dns_nxdomain_ttl | 15 | 15 | yes |<\/code>
\n| dns_zone_check_period | 0 | 0 | yes |<\/code>
\n| idle_transaction_timeout | 0 | 0 | yes |<\/code>
\n| ignore_startup_parameters | | | yes |<\/code>
\n| job_name | pgbouncer | pgbouncer | no |<\/code>
\n| listen_addr | * | | no |<\/code>
\n| listen_backlog | 128 | 128 | no |<\/code>
\n| listen_port | 6432 | 6432 | no |<\/code>
\n| log_connections | 1 | 1 | yes |<\/code>
\n| log_disconnections | 1 | 1 | yes |<\/code>
\n| log_pooler_errors | 1 | 1 | yes |<\/code>
\n| log_stats | 1 | 1 | yes |<\/code>
\n| logfile | \/var\/log\/pgbouncer\/pgbouncer.log | | yes |<\/code>
\n| max_client_conn | 100 | 100 | yes |<\/code>
\n| max_db_connections | 0 | 0 | yes |<\/code>
\n| max_packet_size | 2147483647 | 2147483647 | yes |<\/code>
\n| max_user_connections | 0 | 0 | yes |<\/code>
\n| min_pool_size | 5 | 0 | yes |<\/code>
\n| pidfile | \/var\/run\/pgbouncer\/pgbouncer.pid | | no |<\/code>
\n| pkt_buf | 4096 | 4096 | no |<\/code>
\n| pool_mode | transaction | session | yes |<\/code>
\n| query_timeout | 0 | 0 | yes |<\/code>
\n| query_wait_timeout | 120 | 120 | yes |<\/code>
\n| reserve_pool_size | 5 | 0 | yes |<\/code>
\n| reserve_pool_timeout | 3 | 5 | yes |<\/code>
\n| resolv_conf | | | no |<\/code>
\n| sbuf_loopcnt | 5 | 5 | yes |<\/code>
\n| server_check_delay | 30 | 30 | yes |<\/code>
\n| server_check_query | select 1 | select 1 | yes |<\/code>
\n| server_connect_timeout | 15 | 15 | yes |<\/code>
\n| server_fast_close | 0 | 0 | yes |<\/code>
\n| server_idle_timeout | 600 | 600 | yes |<\/code>
\n| server_lifetime | 3600 | 3600 | yes |<\/code>
\n| server_login_retry | 15 | 15 | yes |<\/code>
\n| server_reset_query | DISCARD ALL | DISCARD ALL | yes |<\/code>
\n| server_reset_query_always | 0 | 0 | yes |<\/code>
\n| server_round_robin | 0 | 0 | yes |<\/code>
\n| server_tls_ca_file | | | no |<\/code>
\n| server_tls_cert_file | | | no |<\/code>
\n| server_tls_ciphers | fast | fast | no |<\/code>
\n| server_tls_key_file | | | no |<\/code>
\n| server_tls_protocols | secure | secure | no |<\/code>
\n| server_tls_sslmode | disable | disable | no |<\/code>
\n| so_reuseport | 0 | 0 | no |<\/code>
\n| stats_period | 60 | 60 | yes |<\/code>
\n| stats_users | postgres | | yes |<\/code>
\n| suspend_timeout | 10 | 10 | yes |<\/code>
\n| syslog | 0 | 0 | yes |<\/code>
\n| syslog_facility | daemon | daemon | yes |<\/code>
\n| syslog_ident | pgbouncer | pgbouncer | yes |<\/code>
\n| tcp_defer_accept | 1 | NULL | yes |<\/code>
\n| tcp_keepalive | 1 | 1 | yes |<\/code>
\n| tcp_keepcnt | 0 | 0 | yes |<\/code>
\n| tcp_keepidle | 0 | 0 | yes |<\/code>
\n| tcp_keepintvl | 0 | 0 | yes |<\/code>
\n| tcp_socket_buffer | 0 | 0 | yes |<\/code>
\n| tcp_user_timeout | 0 | 0 | yes |<\/code>
\n| unix_socket_dir | \/tmp | \/tmp | no |<\/code>
\n| unix_socket_group | | | no |<\/code>
\n| unix_socket_mode | 511 | 0777 | no |<\/code>
\n| user | NULL | NULL | no |<\/code>
\n| verbose | 0 | NULL | yes |<\/code>
\n+---------------------------+--------------------------------------------------------+--------------------------------------------------------+------------+<\/code>
\n(84 rows)<\/code><\/p>\n

 <\/p>\n

Ver parte 4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Ver parte 1 Ver parte 2 Vamos a ver las diferentes opciones que tenemos en el base de datos virtual de pgbouncer. [postgres@postgres4 ~]$ psql –host=192.168.0.104 –username=postgres –port=6432 –dbname=pgbouncer 192.168.0.104:6432; postgres@pgbouncer # SHOW HELP; NOTICE: Console usage DETAIL: SHOW HELP|CONFIG|DATABASES|POOLS|CLIENTS|SERVERS|USERS|VERSION SHOW FDS|SOCKETS|ACTIVE_SOCKETS|LISTS|MEM SHOW DNS_HOSTS|DNS_ZONES SHOW STATS|STATS_TOTALS|STATS_AVERAGES|TOTALS SET key = arg RELOAD PAUSE [<db>] RESUME [<db>] […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[65],"tags":[438,434,433],"class_list":["post-10115","post","type-post","status-publish","format-standard","hentry","category-postgresql-es","tag-pgbouncer","tag-postgresql","tag-repmgr"],"yoast_head":"\nFailover auto - Pgbouncer + Repmgr + Postgresql 13 (parte 3) - Arumel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Failover auto - Pgbouncer + Repmgr + Postgresql 13 (parte 3) - Arumel\" \/>\n<meta property=\"og:description\" content=\"Ver parte 1 Ver parte 2 Vamos a ver las diferentes opciones que tenemos en el base de datos virtual de pgbouncer. [postgres@postgres4 ~]$ psql --host=192.168.0.104 --username=postgres --port=6432 --dbname=pgbouncer 192.168.0.104:6432; postgres@pgbouncer # SHOW HELP; NOTICE: Console usage DETAIL: SHOW HELP|CONFIG|DATABASES|POOLS|CLIENTS|SERVERS|USERS|VERSION SHOW FDS|SOCKETS|ACTIVE_SOCKETS|LISTS|MEM SHOW DNS_HOSTS|DNS_ZONES SHOW STATS|STATS_TOTALS|STATS_AVERAGES|TOTALS SET key = arg RELOAD PAUSE [<db>] RESUME [<db>] […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/\" \/>\n<meta property=\"og:site_name\" content=\"Arumel\" \/>\n<meta property=\"article:published_time\" content=\"2021-01-12T12:55:07+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png\" \/>\n<meta name=\"author\" content=\"sm\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"sm\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/\"},\"author\":{\"name\":\"sm\",\"@id\":\"http:\\\/\\\/arumel.com\\\/#\\\/schema\\\/person\\\/e270e777d900dcd47f8eb3895c076b64\"},\"headline\":\"Failover auto – Pgbouncer + Repmgr + Postgresql 13 (parte 3)\",\"datePublished\":\"2021-01-12T12:55:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/\"},\"wordCount\":74,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/arumel.com\\\/wp-content\\\/uploads\\\/2021\\\/01\\\/pgbouncer-repmgr-auto-285x300.png\",\"keywords\":[\"pgbouncer\",\"postgresql\",\"repmgr\"],\"articleSection\":[\"PostgreSQL\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/\",\"url\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/\",\"name\":\"Failover auto - Pgbouncer + Repmgr + Postgresql 13 (parte 3) - Arumel\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/arumel.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/arumel.com\\\/wp-content\\\/uploads\\\/2021\\\/01\\\/pgbouncer-repmgr-auto-285x300.png\",\"datePublished\":\"2021-01-12T12:55:07+00:00\",\"author\":{\"@id\":\"http:\\\/\\\/arumel.com\\\/#\\\/schema\\\/person\\\/e270e777d900dcd47f8eb3895c076b64\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/#primaryimage\",\"url\":\"http:\\\/\\\/arumel.com\\\/wp-content\\\/uploads\\\/2021\\\/01\\\/pgbouncer-repmgr-auto-285x300.png\",\"contentUrl\":\"http:\\\/\\\/arumel.com\\\/wp-content\\\/uploads\\\/2021\\\/01\\\/pgbouncer-repmgr-auto-285x300.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/arumel.com\\\/es\\\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\\\/\\\/arumel.com\\\/es\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Failover auto – Pgbouncer + Repmgr + Postgresql 13 (parte 3)\"}]},{\"@type\":\"WebSite\",\"@id\":\"http:\\\/\\\/arumel.com\\\/#website\",\"url\":\"http:\\\/\\\/arumel.com\\\/\",\"name\":\"Arumel\",\"description\":\"Outro sitio WordPress m\u00e1is\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\\\/\\\/arumel.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Person\",\"@id\":\"http:\\\/\\\/arumel.com\\\/#\\\/schema\\\/person\\\/e270e777d900dcd47f8eb3895c076b64\",\"name\":\"sm\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6207cd8b9baaee6c4cff92251bb20e4b48ce165f93e926218da90832d9f334f9?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6207cd8b9baaee6c4cff92251bb20e4b48ce165f93e926218da90832d9f334f9?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6207cd8b9baaee6c4cff92251bb20e4b48ce165f93e926218da90832d9f334f9?s=96&d=mm&r=g\",\"caption\":\"sm\"},\"url\":\"https:\\\/\\\/arumel.com\\\/es\\\/author\\\/sergio\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Failover auto - Pgbouncer + Repmgr + Postgresql 13 (parte 3) - Arumel","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/","og_locale":"es_ES","og_type":"article","og_title":"Failover auto - Pgbouncer + Repmgr + Postgresql 13 (parte 3) - Arumel","og_description":"Ver parte 1 Ver parte 2 Vamos a ver las diferentes opciones que tenemos en el base de datos virtual de pgbouncer. [postgres@postgres4 ~]$ psql --host=192.168.0.104 --username=postgres --port=6432 --dbname=pgbouncer 192.168.0.104:6432; postgres@pgbouncer # SHOW HELP; NOTICE: Console usage DETAIL: SHOW HELP|CONFIG|DATABASES|POOLS|CLIENTS|SERVERS|USERS|VERSION SHOW FDS|SOCKETS|ACTIVE_SOCKETS|LISTS|MEM SHOW DNS_HOSTS|DNS_ZONES SHOW STATS|STATS_TOTALS|STATS_AVERAGES|TOTALS SET key = arg RELOAD PAUSE [<db>] RESUME [<db>] […]","og_url":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/","og_site_name":"Arumel","article_published_time":"2021-01-12T12:55:07+00:00","og_image":[{"url":"http:\/\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png","type":"","width":"","height":""}],"author":"sm","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"sm","Tiempo de lectura":"5 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/#article","isPartOf":{"@id":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/"},"author":{"name":"sm","@id":"http:\/\/arumel.com\/#\/schema\/person\/e270e777d900dcd47f8eb3895c076b64"},"headline":"Failover auto – Pgbouncer + Repmgr + Postgresql 13 (parte 3)","datePublished":"2021-01-12T12:55:07+00:00","mainEntityOfPage":{"@id":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/"},"wordCount":74,"commentCount":0,"image":{"@id":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/#primaryimage"},"thumbnailUrl":"http:\/\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png","keywords":["pgbouncer","postgresql","repmgr"],"articleSection":["PostgreSQL"],"inLanguage":"es","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/","url":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/","name":"Failover auto - Pgbouncer + Repmgr + Postgresql 13 (parte 3) - Arumel","isPartOf":{"@id":"http:\/\/arumel.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/#primaryimage"},"image":{"@id":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/#primaryimage"},"thumbnailUrl":"http:\/\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png","datePublished":"2021-01-12T12:55:07+00:00","author":{"@id":"http:\/\/arumel.com\/#\/schema\/person\/e270e777d900dcd47f8eb3895c076b64"},"breadcrumb":{"@id":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/#primaryimage","url":"http:\/\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png","contentUrl":"http:\/\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png"},{"@type":"BreadcrumbList","@id":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-3\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Portada","item":"https:\/\/arumel.com\/es\/"},{"@type":"ListItem","position":2,"name":"Failover auto – Pgbouncer + Repmgr + Postgresql 13 (parte 3)"}]},{"@type":"WebSite","@id":"http:\/\/arumel.com\/#website","url":"http:\/\/arumel.com\/","name":"Arumel","description":"Outro sitio WordPress m\u00e1is","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"http:\/\/arumel.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Person","@id":"http:\/\/arumel.com\/#\/schema\/person\/e270e777d900dcd47f8eb3895c076b64","name":"sm","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/secure.gravatar.com\/avatar\/6207cd8b9baaee6c4cff92251bb20e4b48ce165f93e926218da90832d9f334f9?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/6207cd8b9baaee6c4cff92251bb20e4b48ce165f93e926218da90832d9f334f9?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6207cd8b9baaee6c4cff92251bb20e4b48ce165f93e926218da90832d9f334f9?s=96&d=mm&r=g","caption":"sm"},"url":"https:\/\/arumel.com\/es\/author\/sergio\/"}]}},"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p9uvW6-2D9","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":10097,"url":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-1\/","url_meta":{"origin":10115,"position":0},"title":"Failover auto – Pgbouncer + Repmgr + Postgresql 13 (parte 1)","author":"sm","date":"12 de enero de 2021","format":false,"excerpt":"Ver configuraci\u00f3n parte 1 Ver configuraci\u00f3n parte 2 Ver configuraci\u00f3n parte 1 daemon repmgr Instalamos el pgbouncer en el nodo \"testigo\" (postgres4): [root@postgres4 ~]# dnf install pgbouncer \u00a0 Para hacer las pruebas de conexi\u00f3n de clientes, vamos a crear una nueva base de datos en el cluster (appdb) a la\u2026","rel":"","context":"En "portada"","block_context":{"text":"portada","link":"https:\/\/arumel.com\/es\/portada-es\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":10110,"url":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-2\/","url_meta":{"origin":10115,"position":1},"title":"Failover auto – Pgbouncer + Repmgr + Postgresql 13 (parte 2)","author":"sm","date":"12 de enero de 2021","format":false,"excerpt":"Ver parte 1. Ahora vamos a probar como el pgbouncer puede dirigirnos nuestras sesiones al nodo r\/w (primary) o a los r\/o (secondary). En nuestro caso el primary es el nodo postgres2 y los secondary son el postgres1 y postgres3. Se pueden tener configuradas diferentes entradas en el fichero \/etc\/pgbouncer\/pgbouncer.database.ini\u2026","rel":"","context":"En "PostgreSQL"","block_context":{"text":"PostgreSQL","link":"https:\/\/arumel.com\/es\/postgresql-es\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":10119,"url":"https:\/\/arumel.com\/es\/failover-auto-pgbouncer-repmgr-postgresql-13-parte-4\/","url_meta":{"origin":10115,"position":2},"title":"Failover auto – Pgbouncer + Repmgr + Postgresql 13 (parte 4)","author":"sm","date":"12 de enero de 2021","format":false,"excerpt":"Ver parte 1 Ver parte 2 Ver parte 3 Vamos a hacer una prueba de balanceo autom\u00e1tico tras la p\u00e9rdida del nodo primario (postgres2) y como balancea el failover a un nodo secundario (postgres1), tras la parada de la conexiones en el pgbouncer, posterior reconfiguraci\u00f3n, y conexi\u00f3n posterior al nuevo\u2026","rel":"","context":"En "portada"","block_context":{"text":"portada","link":"https:\/\/arumel.com\/es\/portada-es\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2021\/01\/pgbouncer-repmgr-auto-285x300.png?resize=525%2C300 1.5x"},"classes":[]},{"id":9995,"url":"https:\/\/arumel.com\/es\/preparacion-entorno-repmgr-y-postgresql-13-parte-1\/","url_meta":{"origin":10115,"position":3},"title":"Preparaci\u00f3n entorno – Repmgr y Postgresql 13 (parte 1)","author":"sm","date":"12 de enero de 2021","format":false,"excerpt":"\u00a0 Nos disponemos a preparar un entorno sobre el que realizar pruebas con repmgr 13 (versi\u00f3n 5.2) y postgresql versi\u00f3n 13. En nuestro caso se tratar\u00e1 de un OEL 8.3 (con kernel de redhat). Una vez creada la primera m\u00e1quina virtual procedemos a la instalaci\u00f3n de los repositorios y desactivar\u2026","rel":"","context":"En "PostgreSQL"","block_context":{"text":"PostgreSQL","link":"https:\/\/arumel.com\/es\/postgresql-es\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2021\/01\/repmgr-manual.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2021\/01\/repmgr-manual.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2021\/01\/repmgr-manual.png?resize=525%2C300 1.5x"},"classes":[]},{"id":10087,"url":"https:\/\/arumel.com\/es\/auto-failover-repmgr-y-postgresql-13-parte-2\/","url_meta":{"origin":10115,"position":4},"title":"Auto failover – Repmgr y Postgresql 13 (parte 2)","author":"sm","date":"12 de enero de 2021","format":false,"excerpt":"Ver configuraci\u00f3n de la parte 1. El estado previo del cluster es el siguiente: [postgres@postgres1 ~]$ repmgr cluster show ID | Name | Role | Status | Upstream | Location | Priority | Timeline | Connection string ----+-------------------+---------+-----------+-----------+----------+----------+----------+---------------------------------------------- 1 | postgres1 | primary | * running | | default |\u2026","rel":"","context":"En "portada"","block_context":{"text":"portada","link":"https:\/\/arumel.com\/es\/portada-es\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2021\/01\/repmgr-auto-284x300.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":10067,"url":"https:\/\/arumel.com\/es\/auto-failover-repmgr-y-postgresql-13-parte-1\/","url_meta":{"origin":10115,"position":5},"title":"Auto failover – Repmgr y Postgresql 13 (parte 1)","author":"sm","date":"12 de enero de 2021","format":false,"excerpt":"Si repasamos las entradas anteriores Parte1 y Parte2, vemos que tenemos configurado el repmgr pero no hemos activado el demonio para que haga el chequeo continuo. Para ello necesitamos activar el servicio a nivel de SO y cargar su librer\u00eda en postgresql. En el fichero de postgresql.conf a\u00f1adimos la siguiente\u2026","rel":"","context":"En "portada"","block_context":{"text":"portada","link":"https:\/\/arumel.com\/es\/portada-es\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/arumel.com\/wp-content\/uploads\/2021\/01\/repmgr-auto-284x300.png?resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/arumel.com\/es\/wp-json\/wp\/v2\/posts\/10115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arumel.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arumel.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arumel.com\/es\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/arumel.com\/es\/wp-json\/wp\/v2\/comments?post=10115"}],"version-history":[{"count":4,"href":"https:\/\/arumel.com\/es\/wp-json\/wp\/v2\/posts\/10115\/revisions"}],"predecessor-version":[{"id":10211,"href":"https:\/\/arumel.com\/es\/wp-json\/wp\/v2\/posts\/10115\/revisions\/10211"}],"wp:attachment":[{"href":"https:\/\/arumel.com\/es\/wp-json\/wp\/v2\/media?parent=10115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arumel.com\/es\/wp-json\/wp\/v2\/categories?post=10115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arumel.com\/es\/wp-json\/wp\/v2\/tags?post=10115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}