{"page":"/blog/prebid-server-stored-requests","modified":"2026-11-10","license":"https://creativecommons.org/licenses/by/4.0/","columns":["Backend","PBS-Go keys","PBS-Java keys"],"rows":[["Files","stored_requests.filesystem.enabled, directorypath (default ./stored_requests/data/by_id, with stored_requests/, stored_imps/ and accounts/ folders)","settings.filesystem.stored-requests-dir, stored-imps-dir, settings-filename"],["SQL","stored_requests.database.connection.driver (postgres or mysql), fetcher.query","settings.database.type (mysql or postgres), stored-requests-query, amp-stored-requests-query"],["Query placeholders","$REQUEST_ID_LIST, $IMP_ID_LIST, $LAST_UPDATED","%REQUEST_ID_LIST%, %IMP_ID_LIST%"],["Columns returned","ID, JSON body, type (request or imp)","account ID, ID, JSON body, type"],["HTTP","stored_requests.http.endpoint, amp_endpoint","settings.http.endpoint, amp-endpoint"],["Amazon S3","Not offered","settings.s3.bucket, region, stored-requests-dir, stored-imps-dir"],["Cache","in_memory_cache (type lru, unbounded or none; sizes in bytes)","settings.in-memory-cache (cache-size in entries, ttl-seconds)"],["Live updates","http_events polling, or database.poll_for_updates","in-memory-cache.http-update, database-update, s3-update, admin endpoints"]],"sourceUrls":[[],[],[],[],[],[],[],[]]}