Rails Web サイトの実行中に次のエラーが発生しました。これが原因でダウンしていると思います。私は Passenger を使用していますが、サイトのトラフィックが非常に多くなっています。オンラインに戻そうとすると、Apache が多数の子を生成し、マシンの負荷が約 50 に跳ね上がり、サイトが非常に遅くなります。ディスクに不足はありません。
PGError (FATAL: could not access status of transaction 0
DETAIL: could not write to file "pg_subtrans/009B" at offset 8192: No space left on device):
/vendor/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:876:in `initialize'
/vendor/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:876:in `connect'
/vendor/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:876:in `connect'
/vendor/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:276:in `initialize'
/vendor/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:37:in `new'
/vendor/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:37:in `postgresql_connection'
/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb:292:in `send'
/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb:292:in `connection='
/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb:260:in `retrieve_connection'
/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb:78:in `connection'
/vendor/rails/activerecord/lib/active_record/query_ca