#26306: Memory leak in cached template loader
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Reporter: AlexHill | Owner: nobody
Type: Bug | Status: new
Component: Template system | Version: 1.9
Severity: Release blocker | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 1 | Needs documentation: 0
Needs tests: 1 | Patch needs improvement: 1
Easy pickings: 0 | UI/UX: 0
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Changes (by berkerpeksag):
* cc: berker.peksag@… (added)
Comment:
Some comments about the patch:
* `self.missing_sentinel` is unused.
* `TemplateMissingMarker` could live in module level.
* There still will be some memory unnecessary memory usage because of
`TemplateMissingMarker`. Perhaps we could define `__slots__` to reduce
memory usage.
Random thoughts:
* I wonder we could use `traceback.clear_frames()`:
https://docs.python.org/3.5/library/traceback.html#traceback.clear_frames
Its implementation is simple:
https://github.com/python/cpython/blob/master/Lib/traceback.py#L212
* Instead of storing whole `TemplateDoesNotExist` object, we could only
store exception class and values (not traceback object) in a tuple by
using `sys.exc_info()`.
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Ticket URL: <https://code.djangoproject.com/ticket/26306#comment:3>
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