Puntero de elemento corrupto durante el proceso de copia de seguridad

Discourse version: 2.5.0.beta4 (e81a4048e3)

When trying to backup, I get the error given below.

[2020-05-16 10:09:19] pg_dump: processing data for table "public.reviewable_claimed_topics"
[2020-05-16 10:09:19] pg_dump: dumping contents of table "public.reviewable_claimed_topics"
[2020-05-16 10:09:19] pg_dump: processing data for table "public.reviewable_histories"
[2020-05-16 10:09:19] pg_dump: dumping contents of table "public.reviewable_histories"
[2020-05-16 10:09:19] pg_dump: processing data for table "public.reviewable_scores"
[2020-05-16 10:09:19] pg_dump: dumping contents of table "public.reviewable_scores"
[2020-05-16 10:09:19] pg_dump: processing data for table "public.reviewables"
[2020-05-16 10:09:19] pg_dump: dumping contents of table "public.reviewables"
[2020-05-16 10:09:19] pg_dump: processing data for table "public.scheduler_stats"
[2020-05-16 10:09:19] pg_dump: dumping contents of table "public.scheduler_stats"
[2020-05-16 10:09:19] pg_dump: Dumping the contents of table "scheduler_stats" failed: PQgetResult() failed.
[2020-05-16 10:09:19] pg_dump: Error message from server: PANIC:  corrupted item pointer: 10992
[2020-05-16 10:09:19] pg_dump: The command was: COPY public.scheduler_stats (id, name, hostname, pid, duration_ms, live_slots_start, live_slots_finish, started_at, success, error) TO stdout;
[2020-05-16 10:09:19] Unpausing sidekiq...
[2020-05-16 10:09:19] EXCEPTION: pg_dump failed
[2020-05-16 10:09:19] /var/www/discourse/lib/backup_restore/backuper.rb:183:in `dump_public_schema'
/var/www/discourse/lib/backup_restore/backuper.rb:40:in `run'
/var/www/discourse/lib/backup_restore.rb:184:in `block in start!'
/var/www/discourse/lib/backup_restore.rb:181:in `fork'
/var/www/discourse/lib/backup_restore.rb:181:in `start!'
/var/www/discourse/lib/backup_restore.rb:15:in `backup!'
/var/www/discourse/app/controllers/admin/backups_controller.rb:40:in `create'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_controller/metal/basic_implicit_render.rb:6:in `send_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/abstract_controller/base.rb:195:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_controller/metal/rendering.rb:30:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/abstract_controller/callbacks.rb:42:in `block in process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.3/lib/active_support/callbacks.rb:135:in `run_callbacks'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/abstract_controller/callbacks.rb:41:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_controller/metal/rescue.rb:22:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_controller/metal/instrumentation.rb:33:in `block in process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.3/lib/active_support/notifications.rb:180:in `block in instrument'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.3/lib/active_support/notifications/instrumenter.rb:24:in `instrument'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.3/lib/active_support/notifications.rb:180:in `instrument'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_controller/metal/instrumentation.rb:32:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_controller/metal/params_wrapper.rb:245:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.3/lib/active_record/railties/controller_runtime.rb:27:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/abstract_controller/base.rb:136:in `process'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionview-6.0.3/lib/action_view/rendering.rb:39:in `process'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-mini-profiler-2.0.1/lib/mini_profiler/profiling_methods.rb:104:in `block in profile_method'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_controller/metal.rb:190:in `dispatch'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_controller/metal.rb:254:in `dispatch'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/routing/route_set.rb:50:in `dispatch'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/routing/route_set.rb:33:in `serve'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/routing/mapper.rb:18:in `block in <class:Constraints>'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/routing/mapper.rb:48:in `serve'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/journey/router.rb:49:in `block in serve'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/journey/router.rb:32:in `each'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/journey/router.rb:32:in `serve'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/routing/route_set.rb:834:in `call'
/var/www/discourse/lib/middleware/omniauth_bypass_middleware.rb:68:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.8/lib/rack/tempfile_reaper.rb:15:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.8/lib/rack/conditional_get.rb:38:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.8/lib/rack/head.rb:12:in `call'
/var/www/discourse/lib/content_security_policy/middleware.rb:12:in `call'
/var/www/discourse/lib/middleware/anonymous_cache.rb:318:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.8/lib/rack/session/abstract/id.rb:259:in `context'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.8/lib/rack/session/abstract/id.rb:253:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/middleware/cookies.rb:648:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/middleware/callbacks.rb:27:in `block in call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.3/lib/active_support/callbacks.rb:101:in `run_callbacks'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/middleware/callbacks.rb:26:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/middleware/actionable_exceptions.rb:17:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/middleware/debug_exceptions.rb:32:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/logster-2.8.0/lib/logster/middleware/reporter.rb:43:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-6.0.3/lib/rails/rack/logger.rb:37:in `call_app'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-6.0.3/lib/rails/rack/logger.rb:28:in `call'
/var/www/discourse/config/initializers/100-quiet_logger.rb:18:in `call'
/var/www/discourse/config/initializers/100-silence_logger.rb:31:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/middleware/request_id.rb:27:in `call'
/var/www/discourse/lib/middleware/enforce_hostname.rb:22:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.8/lib/rack/method_override.rb:22:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/middleware/executor.rb:14:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.8/lib/rack/sendfile.rb:111:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.3/lib/action_dispatch/middleware/host_authorization.rb:76:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-mini-profiler-2.0.1/lib/mini_profiler/profiler.rb:312:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/message_bus-3.2.0/lib/message_bus/rack/middleware.rb:57:in `call'
/var/www/discourse/lib/middleware/request_tracker.rb:172:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-6.0.3/lib/rails/engine.rb:527:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-6.0.3/lib/rails/railtie.rb:190:in `public_send'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-6.0.3/lib/rails/railtie.rb:190:in `method_missing'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.8/lib/rack/urlmap.rb:68:in `block in call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.8/lib/rack/urlmap.rb:53:in `each'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.8/lib/rack/urlmap.rb:53:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.5/lib/unicorn/http_server.rb:605:in `process_client'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.5/lib/unicorn/http_server.rb:701:in `worker_loop'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.5/lib/unicorn/http_server.rb:548:in `spawn_missing_workers'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.5/lib/unicorn/http_server.rb:144:in `start'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.5/bin/unicorn:128:in `<top (required)>'
/var/www/discourse/vendor/bundle/ruby/2.6.0/bin/unicorn:23:in `load'
/var/www/discourse/vendor/bundle/ruby/2.6.0/bin/unicorn:23:in `<main>'
[2020-05-16 10:09:19] Deleting old backups...
[2020-05-16 10:09:19] Cleaning stuff up...
[2020-05-16 10:09:19] Removing '.tar' leftovers...
[2020-05-16 10:09:19] Marking backup as finished...
[2020-05-16 10:09:19] Refreshing disk stats...
[2020-05-16 10:09:19] Notifying 'RikoDEV' of the end of the backup...
[2020-05-16 10:09:29] Something went wrong while notifying user.
[2020-05-16 10:09:29] Finished!
1 me gusta

Por el mensaje de error, parece que la base de datos está corrupta.

¿Hay alguna forma de reparar esta base de datos sin perder datos? Tengo la última copia de seguridad de hace 2 meses y no quiero perder los temas creados.

Tuviste suerte de que esta tabla solo contenga estadísticas de Sidekiq y nada realmente importante. Puedes intentar eliminar las filas de esta tabla y luego intentar activar otra copia de seguridad. Espero que solo esta tabla se haya visto afectada :crossed_fingers:

El problema es que PostgreSQL se bloquea cuando intento limpiar esta tabla.

discourse=# DELETE FROM scheduler_stats;
PÁNICO: puntero de elemento corrupto: 10992
el servidor cerró la conexión inesperadamente
        Esto probablemente significa que el servidor terminó de forma anormal
        antes o mientras procesaba la solicitud.
La conexión con el servidor se perdió. Intentando reiniciar: Éxito.

¡Oh no! ¿También falla un TRUNCATE en esta tabla?

2 Me gusta

TRUNCATE funciona, gracias. :smile:. Ahora verificaré si la copia de seguridad fue exitosa.

EDIT:

¡Oh no :frowning: !

[2020-05-17 16:56:39] pg_dump: Falló la volcada del contenido de la tabla "post_search_data": PQgetResult() falló.
[2020-05-17 16:56:39] pg_dump: Mensaje de error del servidor: ERROR: página inválida en el bloque 89 de la relación base/16384/22213
[2020-05-17 16:56:39] pg_dump: El comando fue: COPY public.post_search_data (post_id, search_data, raw_data, locale, version) TO stdout;
[2020-05-17 16:56:39] Reanudando sidekiq...
[2020-05-17 16:56:39] EXCEPCIÓN: pg_dump falló
[2020-05-17 16:56:39] /var/www/discourse/lib/backup_restore/backuper.rb:183:in `dump_public_schema'

EDIT 2 :tada:

Solucionado usando https://stackoverflow.com/questions/5220344/postgresql-invalid-page-header-in-block.

5 Me gusta

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