{"html_url": "https://github.com/simonw/datasette/issues/859#issuecomment-648669523", "issue_url": "https://api.github.com/repos/simonw/datasette/issues/859", "id": 648669523, "node_id": "MDEyOklzc3VlQ29tbWVudDY0ODY2OTUyMw==", "user": {"value": 3243482, "label": "abdusco"}, "created_at": "2020-06-24T08:13:23Z", "updated_at": "2020-06-24T10:30:36Z", "author_association": "CONTRIBUTOR", "body": "I tried setting `cache_size_kb=0` then `cache_size_kb=100000`, still getting this behavior. I even changed `Database::table_counts` and lowered time limit to 1\r\n\r\n```py\r\ntable_count = (\r\n    await self.execute(\r\n        \"select count(*) from [{}]\".format(table),\r\n        custom_time_limit=1,\r\n    )\r\n).rows[0][0]\r\ncounts[table] = table_count\r\n```\r\n\r\nI feel like 10 seconds is a magic number, like a processing timeout and datasette gives up and returns the page. \r\nIndex page loads instantly, table page, query page, as well. But when I return to database page after some time, it loads in 10s.\r\n\r\nEDIT:\r\n\r\nIt's always like 10 + 0.3s, like 10s wait and timeout then 300ms to render the page", "reactions": "{\"total_count\": 0, \"+1\": 0, \"-1\": 0, \"laugh\": 0, \"hooray\": 0, \"confused\": 0, \"heart\": 0, \"rocket\": 0, \"eyes\": 0}", "issue": {"value": 642572841, "label": "Database page loads too slowly with many large tables (due to table counts)"}, "performed_via_github_app": null}