> For the complete documentation index, see [llms.txt](https://docs.r.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.r.xyz/glider-ide/limitations.md).

# Limitations

## Time limit

Every query has a timeout limit of 1000 seconds.

## Parallel execution count limit

Every user can run only one query in parallel.

## Output limit

Every query's output size is limited to 200KB.

## Python limitations

Note that the Python environment is very strictly sandboxed and does not have all of the built-in functions and features.