{"id": "settings:setting-template-debug", "page": "settings", "ref": "setting-template-debug", "title": "template_debug", "content": "This setting enables template context debug mode, which is useful to help understand what variables are available to custom templates when you are writing them. \n                 Enable it like this: \n                 datasette mydatabase.db --setting template_debug 1 \n                 Now you can add  ?_context=1  or  &_context=1  to any Datasette page to see the context that was passed to that template. \n                 Some examples: \n                 \n                     \n                         https://latest.datasette.io/?_context=1 \n                     \n                     \n                         https://latest.datasette.io/fixtures?_context=1 \n                     \n                     \n                         https://latest.datasette.io/fixtures/roadside_attractions?_context=1", "breadcrumbs": "[\"Settings\", \"Settings\"]", "references": "[{\"href\": \"https://latest.datasette.io/?_context=1\", \"label\": \"https://latest.datasette.io/?_context=1\"}, {\"href\": \"https://latest.datasette.io/fixtures?_context=1\", \"label\": \"https://latest.datasette.io/fixtures?_context=1\"}, {\"href\": \"https://latest.datasette.io/fixtures/roadside_attractions?_context=1\", \"label\": \"https://latest.datasette.io/fixtures/roadside_attractions?_context=1\"}]"}
{"id": "settings:setting-trace-debug", "page": "settings", "ref": "setting-trace-debug", "title": "trace_debug", "content": "This setting enables appending  ?_trace=1  to any page in order to see the SQL queries and other trace information that was used to generate that page. \n                 Enable it like this: \n                 datasette mydatabase.db --setting trace_debug 1 \n                 Some examples: \n                 \n                     \n                         https://latest.datasette.io/?_trace=1 \n                     \n                     \n                         https://latest.datasette.io/fixtures/roadside_attractions?_trace=1 \n                     \n                 \n                 See  datasette.tracer  for details on how to hook into this mechanism as a plugin author.", "breadcrumbs": "[\"Settings\", \"Settings\"]", "references": "[{\"href\": \"https://latest.datasette.io/?_trace=1\", \"label\": \"https://latest.datasette.io/?_trace=1\"}, {\"href\": \"https://latest.datasette.io/fixtures/roadside_attractions?_trace=1\", \"label\": \"https://latest.datasette.io/fixtures/roadside_attractions?_trace=1\"}]"}
{"id": "settings:setting-num-sql-threads", "page": "settings", "ref": "setting-num-sql-threads", "title": "num_sql_threads", "content": "Maximum number of threads in the thread pool Datasette uses to execute SQLite queries. Defaults to 3. \n                 datasette mydatabase.db --setting num_sql_threads 10 \n                 Setting this to 0 turns off threaded SQL queries entirely - useful for environments that do not support threading such as  Pyodide .", "breadcrumbs": "[\"Settings\", \"Settings\"]", "references": "[{\"href\": \"https://pyodide.org/\", \"label\": \"Pyodide\"}]"}
{"id": "settings:setting-cache-size-kb", "page": "settings", "ref": "setting-cache-size-kb", "title": "cache_size_kb", "content": "Sets the amount of memory SQLite uses for its  per-connection cache , in KB. \n                 datasette mydatabase.db --setting cache_size_kb 5000", "breadcrumbs": "[\"Settings\", \"Settings\"]", "references": "[{\"href\": \"https://www.sqlite.org/pragma.html#pragma_cache_size\", \"label\": \"per-connection cache\"}]"}