Issue a :exc:`PerformanceWarning` on too many children.
(self)
| 508 | return join_path(self._v_pathname, name) |
| 509 | |
| 510 | def _g_width_warning(self) -> None: |
| 511 | """Issue a :exc:`PerformanceWarning` on too many children.""" |
| 512 | warnings.warn( |
| 513 | """\ |
| 514 | group ``%s`` is exceeding the recommended maximum number of children (%d); \ |
| 515 | be ready to see PyTables asking for *lots* of memory and possibly slow I/O.""" |
| 516 | % (self._v_pathname, self._v_max_group_width), |
| 517 | PerformanceWarning, |
| 518 | ) |
| 519 | |
| 520 | def _g_refnode( |
| 521 | self, childnode: Node, childname: str, validate: bool = True |