noun
archive of online posts; past log
Refers to saved records of past online discussions, such as mailing list archives or message board threads.
過去ログを検索すれば、同じ質問が見つかるかもしれません。
If you search the archives, you might find the same question.
noun
log file
In computing contexts, a file that records events or transactions.
サーバーの過去ログを調べて、エラーの原因を特定した。
We examined the server's log files and identified the cause of the error.