Feature #21505
Updated by Peter Amstutz about 1 month ago
Because these are the classes that arv-mount might instantiate several thousand of, defining @__slots__@ could make for a noticeable improvement in memory use at little cost.
Note that @__slots__@ needs to be defined on all classes to get the full benefit. Subclasses that add no attributes to their parents need to say @__slots__ = ()@.
#21541 added slots to the most commonly instantiated classes in arvados_fuse.fusedir. The following still need to have @__slots__@ defined:
* TmpCollectionDirectory
* UnsaveableCollection
* MagicDirectory
* TagsDirectory
* TagDirectory
* SharedDirectory
In addition, a number of classes in arvados.collection would benefit from defining @__slots__@
* CollectionBase
* RichCollectionBase
* Collection
* Subcollection
* CollectionReader