Discourseのバックアップからの復元における問題 (3.4、かなり大きなDB)

サポート
1

Hi there,
We are one of your early bird users, we are using Discourse since 2015.
It works just fine until latest update with Postgres update included (possibly 3.4?). We have one backup points before this update. We decide to make clean install then restore from this backup.

OS: Ubuntu 24.04.1 LTS (latest updates) + docker 26.1.3
Trying to restore large discourse backup (44GB, single site) to a blank container.

Automated restore fails on DB migration with following error:
PG::DuplicateColumn: ERROR: column “notification_level” of relation “user_chat_channel_memberships” already exists (PG::DuplicateColumn)

logs:
Specifically, the migration stops after deploying the SQL archive because a column in the database is not unique.
column "notification_level" of relation "user_chat_channel_memberships" already exists

Summary

ALTER TABLE
ALTER TABLE
ALTER TABLE
ALTER TABLE
ALTER TABLE
Migrating the database…
EXCEPTION: /var/www/discourse/lib/discourse.rb:139:in `exec’: Failed to migrate database.
rake aborted!
StandardError: An error has occurred, all later migrations canceled: (StandardError)

PG::DuplicateColumn: ERROR: column “notification_level” of relation “user_chat_channel_memberships” already exists
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rack-mini-profiler-3.3.1/lib/patches/db/pg.rb:110:in exec' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rack-mini-profiler-3.3.1/lib/patches/db/pg.rb:110:in async_exec’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:56:in block (2 levels) in raw_execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract_adapter.rb:1004:in block in with_raw_connection’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activesupport-7.2.2.1/lib/active_support/concurrency/null_lock.rb:9:in synchronize' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract_adapter.rb:976:in with_raw_connection’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:55:in block in raw_execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activesupport-7.2.2.1/lib/active_support/notifications/instrumenter.rb:58:in instrument’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract_adapter.rb:1119:in log' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:54:in raw_execute’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/database_statements.rb:538:in internal_execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/database_statements.rb:137:in execute’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/query_cache.rb:27:in execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:48:in execute’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/schema_statements.rb:629:in add_column' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/schema_statements.rb:418:in add_column’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration/default_strategy.rb:10:in method_missing' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1059:in block in method_missing’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1025:in block in say_with_time' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/benchmark-0.4.0/lib/benchmark.rb:304:in measure’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1025:in say_with_time' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1048:in method_missing’
/var/www/discourse/plugins/chat/db/migrate/20241003122030_add_notification_level_to_user_chat_channel_memberships.rb:10:in up' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:997:in public_send’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:997:in exec_migration' /var/www/discourse/lib/freedom_patches/schema_migration_details.rb:8:in block in exec_migration’

/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/benchmark-0.4.0/lib/benchmark.rb:304:in measure' /var/www/discourse/lib/freedom_patches/schema_migration_details.rb:8:in exec_migration’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:978:in block (2 levels) in migrate' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/benchmark-0.4.0/lib/benchmark.rb:304:in measure’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:977:in block in migrate' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:415:in with_connection’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:976:in migrate' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1190:in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1538:in block in execute_migration_in_transaction' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1591:in ddl_transaction’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1537:in execute_migration_in_transaction' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1512:in each’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1512:in migrate_without_lock' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1457:in block in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1609:in with_advisory_lock' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1457:in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1264:in up' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1239:in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/tasks/database_tasks.rb:262:in migrate' /var/www/discourse/lib/tasks/db.rake:259:in block (2 levels) in ’
/var/www/discourse/lib/distributed_mutex.rb:53:in block in synchronize' /var/www/discourse/lib/distributed_mutex.rb:49:in synchronize’
/var/www/discourse/lib/distributed_mutex.rb:49:in synchronize' /var/www/discourse/lib/distributed_mutex.rb:34:in synchronize’
/var/www/discourse/lib/tasks/db.rake:234:in block in <main>' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rake-13.2.1/exe/rake:27:in <top (required)>’

Caused by:
ActiveRecord::StatementInvalid: PG::DuplicateColumn: ERROR: column “notification_level” of relation “user_chat_channel_memberships” already exists (ActiveRecord::StatementInvalid)
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rack-mini-profiler-3.3.1/lib/patches/db/pg.rb:110:in exec' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rack-mini-profiler-3.3.1/lib/patches/db/pg.rb:110:in async_exec’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:56:in block (2 levels) in raw_execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract_adapter.rb:1004:in block in with_raw_connection’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activesupport-7.2.2.1/lib/active_support/concurrency/null_lock.rb:9:in synchronize' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract_adapter.rb:976:in with_raw_connection’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:55:in block in raw_execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activesupport-7.2.2.1/lib/active_support/notifications/instrumenter.rb:58:in instrument’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract_adapter.rb:1119:in log' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:54:in raw_execute’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/database_statements.rb:538:in internal_execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/database_statements.rb:137:in execute’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/query_cache.rb:27:in execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:48:in execute’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/schema_statements.rb:629:in add_column' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/schema_statements.rb:418:in add_column’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration/default_strategy.rb:10:in method_missing' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1059:in block in method_missing’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1025:in block in say_with_time' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/benchmark-0.4.0/lib/benchmark.rb:304:in measure’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1025:in say_with_time' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1048:in method_missing’
/var/www/discourse/plugins/chat/db/migrate/20241003122030_add_notification_level_to_user_chat_channel_memberships.rb:10:in up' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:997:in public_send’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:997:in exec_migration' /var/www/discourse/lib/freedom_patches/schema_migration_details.rb:8:in block in exec_migration’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/benchmark-0.4.0/lib/benchmark.rb:304:in measure' /var/www/discourse/lib/freedom_patches/schema_migration_details.rb:8:in exec_migration’

/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:978:in block (2 levels) in migrate' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/benchmark-0.4.0/lib/benchmark.rb:304:in measure’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:977:in block in migrate' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:415:in with_connection’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:976:in migrate' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1190:in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1538:in block in execute_migration_in_transaction' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1591:in ddl_transaction’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1537:in execute_migration_in_transaction' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1512:in each’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1512:in migrate_without_lock' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1457:in block in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1609:in with_advisory_lock' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1457:in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1264:in up' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1239:in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/tasks/database_tasks.rb:262:in migrate' /var/www/discourse/lib/tasks/db.rake:259:in block (2 levels) in ’
/var/www/discourse/lib/distributed_mutex.rb:53:in block in synchronize' /var/www/discourse/lib/distributed_mutex.rb:49:in synchronize’
/var/www/discourse/lib/distributed_mutex.rb:49:in synchronize' /var/www/discourse/lib/distributed_mutex.rb:34:in synchronize’
/var/www/discourse/lib/tasks/db.rake:234:in block in <main>' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rake-13.2.1/exe/rake:27:in <top (required)>’

Caused by:
PG::DuplicateColumn: ERROR: column “notification_level” of relation “user_chat_channel_memberships” already exists (PG::DuplicateColumn)
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rack-mini-profiler-3.3.1/lib/patches/db/pg.rb:110:in exec' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rack-mini-profiler-3.3.1/lib/patches/db/pg.rb:110:in async_exec’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:56:in block (2 levels) in raw_execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract_adapter.rb:1004:in block in with_raw_connection’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activesupport-7.2.2.1/lib/active_support/concurrency/null_lock.rb:9:in synchronize' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract_adapter.rb:976:in with_raw_connection’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:55:in block in raw_execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activesupport-7.2.2.1/lib/active_support/notifications/instrumenter.rb:58:in instrument’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract_adapter.rb:1119:in log' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:54:in raw_execute’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/database_statements.rb:538:in internal_execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/database_statements.rb:137:in execute’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/query_cache.rb:27:in execute' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:48:in execute’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/schema_statements.rb:629:in add_column' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/postgresql/schema_statements.rb:418:in add_column’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration/default_strategy.rb:10:in method_missing' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1059:in block in method_missing’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1025:in block in say_with_time' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/benchmark-0.4.0/lib/benchmark.rb:304:in measure’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1025:in say_with_time' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1048:in method_missing’
/var/www/discourse/plugins/chat/db/migrate/20241003122030_add_notification_level_to_user_chat_channel_memberships.rb:10:in up' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:997:in public_send’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:997:in exec_migration' /var/www/discourse/lib/freedom_patches/schema_migration_details.rb:8:in block in exec_migration’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/benchmark-0.4.0/lib/benchmark.rb:304:in measure' /var/www/discourse/lib/freedom_patches/schema_migration_details.rb:8:in exec_migration’

/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:978:in block (2 levels) in migrate' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/benchmark-0.4.0/lib/benchmark.rb:304:in measure’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:977:in block in migrate' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:415:in with_connection’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:976:in migrate' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1190:in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1538:in block in execute_migration_in_transaction' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1591:in ddl_transaction’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1537:in execute_migration_in_transaction' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1512:in each’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1512:in migrate_without_lock' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1457:in block in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1609:in with_advisory_lock' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1457:in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1264:in up' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/migration.rb:1239:in migrate’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activerecord-7.2.2.1/lib/active_record/tasks/database_tasks.rb:262:in migrate' /var/www/discourse/lib/tasks/db.rake:259:in block (2 levels) in ’
/var/www/discourse/lib/distributed_mutex.rb:53:in block in synchronize' /var/www/discourse/lib/distributed_mutex.rb:49:in synchronize’
/var/www/discourse/lib/distributed_mutex.rb:49:in synchronize' /var/www/discourse/lib/distributed_mutex.rb:34:in synchronize’
/var/www/discourse/lib/tasks/db.rake:234:in block in <main>' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rake-13.2.1/exe/rake:27:in <top (required)>’
Tasks: TOP => db:migrate
(See full trace by running task with --trace)
/var/www/discourse/lib/discourse.rb:173:in execute_command' /var/www/discourse/lib/discourse.rb:139:in exec’
/var/www/discourse/lib/discourse.rb:35:in execute_command' /var/www/discourse/lib/backup_restore/database_restorer.rb:153:in migrate_database’
/var/www/discourse/lib/backup_restore/database_restorer.rb:28:in restore' /var/www/discourse/lib/backup_restore/restorer.rb:61:in run’
script/discourse:191:in restore' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.3.2/lib/thor/command.rb:28:in run’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.3.2/lib/thor/invocation.rb:127:in invoke_command' /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.3.2/lib/thor.rb:538:in dispatch’
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.3.2/lib/thor/base.rb:584:in start' script/discourse:345:in <top (required)>’
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/cli/exec.rb:58:in load' /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/cli/exec.rb:58:in kernel_load’
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/cli/exec.rb:23:in run' /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/cli.rb:455:in exec’
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/vendor/thor/lib/thor/command.rb:28:in `run’

/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in invoke_command' /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/vendor/thor/lib/thor.rb:527:in dispatch’
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/cli.rb:35:in dispatch' /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/vendor/thor/lib/thor/base.rb:584:in start’
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/cli.rb:29:in start' /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/exe/bundle:28:in block in <top (required)>’
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/lib/bundler/friendly_errors.rb:117:in with_friendly_errors' /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.5.18/exe/bundle:20:in <top (required)>’
/usr/local/bin/bundle:25:in load' /usr/local/bin/bundle:25:in ’
Trying to rollback…
Rolling back…
Cleaning stuff up…
Dropping functions from the discourse_functions schema…
Removing tmp ‘/var/www/discourse/tmp/restores/default/2025-01-09-180715’ directory…
Unpausing sidekiq…
Marking restore as finished…
Notifying ‘system’ of the end of the restore…
Finished!
[FAILED]

「いいね！」 4
2

SQLファイルをdb:migrateが正常に実行されるように修正する方法

「いいね！」 2
3

古いサイトはどのコミットにありますか？

コミットに含まれるべきではない移行が含まれていたため、いくつかのリグレッションが発生しました。これもそのケースの1つだと推測します。

「いいね！」 2
4

両方のインスタンスに全く同じプラグインセットがありますか？
既存のDiscourseはどのコミットで、チャットプラグインはどのコミットですか？

「いいね！」 1
5

ご協力いただきありがとうございます。SQLダンプは45GBあり、作業に時間がかかります。
12月31日にGUIアップデートを実行したところ、DB移行がハングしました。古いサイトは1月6日からなくなっており、SQLダンプとメディアアップロードのみ保存されています。新しいサイトを起動してDBを復元しようとしています。YAMLでは少数のプラグインのみ実行しています。

「いいね！」 1
6

バックアップのファイル名はなんですか？（最後に実行されたマイグレーションの情報が含まれています）

「いいね！」 1
7

sitename-2025-01-06-033732-v20240912212253.sql.gz

手動復元を実行する際に、以下の問題が報告されました（何か意味があるかもしれません）：
psql:/shared/backups/default/da-stereo-2025-01-06-033732-v20240912212253.sql:842596361: ERROR: 一意インデックス「category_featured_topics_pkey」を作成できませんでした
DETAIL: キー (id)=(14) が重複しています。
psql:/shared/backups/default/da-stereo-2025-01-06-033732-v20240912212253.sql:842596928: ERROR: 一意インデックス「incoming_links_pkey」を作成できませんでした
DETAIL: キー (id)=(1) が重複しています。
psql:/shared/backups/default/da-stereo-2025-01-06-033732-v20240912212253.sql:842596937: ERROR: 一意インデックス「incoming_referers_pkey」を作成できませんでした
DETAIL: キー (id)=(1) が重複しています。
psql:/shared/backups/default/da-stereo-2025-01-06-033732-v20240912212253.sql:842597117: ERROR: 一意インデックス「post_hotlinked_media_pkey」を作成できませんでした
DETAIL: キー (id)=(1) が重複しています。
psql:/shared/backups/default/da-stereo-2025-01-06-033732-v20240912212253.sql:842597378: ERROR: 一意インデックス「sitemaps_pkey」を作成できませんでした
DETAIL: キー (id)=(2) が重複しています。
psql:/shared/backups/default/da-stereo-2025-01-06-033732-v20240912212253.sql:842597693: ERROR: 一意インデックス「upload_references_pkey」を作成できませんでした
DETAIL: キー (id)=(8) が重複しています。

8

それは興味深いですね。

  • これらの競合はかなり些細なテーブルにあり、競合するIDは低いです。
  • あなたのバックアップは9月のもので、column "notification_level" of relation "user_chat_channel_memberships" already exists のマイグレーションは10月のものです。そのため、以前のインスタンスでは実行されておらず、リストア後に最初に行われるマイグレーションの1つです。

これは、別の問題があるように思われます。これは標準的なインストールですか？以前のインスタンスは標準的なインストールでしたか？バックアップが正しいスキーマにリストアされておらず、マイグレーションが空のインスタンスに対して実行されているのではないかと推測しています。

「いいね！」 2
9

はい、標準的なDockerインストールであり、私の元のサイトは2015年にこのマニュアルを使用して作成されました。

PostgresまたはRailsコンソールから何か引っ張ってきて、何が起こっているのかを明らかにすることはできますか？

10

ありがとうございます。
何かヒント、コツ、または方向性があれば、大変ありがたいです。

11

SQLのみのDiscourseバックアップ、それとも他の方法で作成したSQLダンプのことですか？

12

Discourseのみのバックアップ。

自宅ではPostgreSQLをセットアップし、データのバックアップはほとんど問題なく復元されました。
Discourseコンテナ内のPostgreSQLでファイルを復元する際に、古いデータベースが削除されず、競合が発生してバックアップが正常に展開されないようです。

13

リチャードが言っていたことと同じように聞こえます。

最近Postgresに関するコミットがいくつかありましたが、受け入れられたかどうかはわかりません。復元を再度試す前に、再構築を試してみるとよいかもしれません。

「いいね！」 1
14

sql.gz アーカイブを復元すると、次のようになります。
…
アーカイブを tmp ディレクトリにコピー中…
ダンプファイルを抽出中…
メタデータを検証中…
現在のバージョン: 20241224191732
復元されたバージョン: 20240912212253

そして当然、db:migration は投稿 #1 で報告されたエラーで失敗します。

Postgres DB 「discourse」がすべての必要なテーブル/データとともに復元されていることがわかります。
psql (13.18 (Debian 13.18-1.pgdg120+1))
ヘルプについては「help」と入力してください。

discourse=> \dn+
                                  List of schemas
        Name         |   Owner   |   Access privileges    |      Description
---------------------+-----------+------------------------+------------------------
 backup              | discourse |                        |
 discourse_functions | discourse |                        |
 public              | discourse | discourse=UC/discourse+| standard public schema
                     |           | =UC/discourse          |
(3 rows)

discourse=> discourse=> \l
                                  List of databases
   Name    |  Owner   | Encoding |   Collate   |    Ctype    |   Access privileges
-----------+----------+----------+-------------+-------------+------------------------
 discourse | postgres | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =Tc/postgres          +
           |          |          |             |             | postgres=CTc/postgres +
           |          |          |             |             | discourse=CTc/postgres
 postgres  | postgres | UTF8     | en_US.UTF-8 | en_US.UTF-8 |
 template0 | postgres | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/postgres           +
           |          |          |             |             | postgres=CTc/postgres
 template1 | postgres | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/postgres           +
           |          |          |             |             | postgres=CTc/postgres
(4 rows)

しかし、rake は間違った DB を使用していると報告しています。

rake db:version

database: discourse
Current version: 20241224191732

rake を 20240912212253 にポイントするにはどうすればよいですか？

ありがとうございます。

15

これは、権限の問題が発生した場合に起こることです。Discourseは復元中にスキーマを操作しますが、データベース内のテーブルを列挙する権限がないと、問題が発生します。

経験したことはありませんが、ディスク容量不足も原因である可能性があります。

「いいね！」 1
16

なんとなくですが、リストア後のテーブル移動中にタイムアウトが発生する可能性はありますか？

17

ヒントをありがとうございます。

ディスク容量は問題ありません。DBサイズの6～7倍の空き容量があります。移行を実行する前に手動でインポートを試して、権限を修正できます。質問は、具体的に何を付与する必要があるかということです。

18

マニュアルスクリプトを次のように更新する必要があると思います。

DROP SCHEMA public CASCADE;
CREATE SCHEMA public;
ALTER SCHEMA public OWNER TO discourse;
CREATE EXTENSION IF NOT EXISTS hstore;
CREATE EXTENSION IF NOT EXISTS pg_trgm;
END;

新しいPgはSQLバックアップダンプからスキーマを作成するため、CREATE SCHEMA public（および所有者の設定）は不要です。
ただし、テーブルの権限はデフォルトでpostgresになっているため、discourseユーザーに修正する必要があります。

これで動作しました！アイデアとサポートをくれた皆さん、ありがとうございました。

「いいね！」 6
19

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