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d4511667
编写于
6月 09, 2018
作者:
M
mugayoshi
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Update debugging memory leaks section in the docs
Add Python3 tools description.
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@@ -202,6 +202,7 @@ memory leaks (Requests, Responses, Items, and Selectors). However, there are
...
@@ -202,6 +202,7 @@ memory leaks (Requests, Responses, Items, and Selectors). However, there are
other cases where the memory leaks could come from other (more or less obscure)
other cases where the memory leaks could come from other (more or less obscure)
objects. If this is your case, and you can't find your leaks using ``trackref``,
objects. If this is your case, and you can't find your leaks using ``trackref``,
you still have another resource: the `Guppy library`_.
you still have another resource: the `Guppy library`_.
If you're using Python3, see :ref:`topics-leaks-muppy`.
.. _Guppy library: https://pypi.python.org/pypi/guppy
.. _Guppy library: https://pypi.python.org/pypi/guppy
...
@@ -253,6 +254,50 @@ knowledge about Python internals. For more info about Guppy, refer to the
...
@@ -253,6 +254,50 @@ knowledge about Python internals. For more info about Guppy, refer to the
.. _Guppy documentation: http://guppy-pe.sourceforge.net/
.. _Guppy documentation: http://guppy-pe.sourceforge.net/
.. _topics-leaks-muppy:
Debugging memory leaks with muppy
=================================
If you're using Python 3, you can use muppy from `Pympler`_.
.. _Pympler: https://pypi.org/project/Pympler/
If you use ``pip``, you can install muppy with the following command::
pip install Pympler
Here's an example to view all Python objects available in
the heap using muppy::
>>> from pympler import muppy
>>> all_objects = muppy.get_objects()
>>> len(all_objects)
28667
>>> from pympler import summary
>>> suml = summary.summarize(all_objects)
>>> summary.print_(suml)
types | # objects | total size
==================================== | =========== | ============
<class 'str | 9822 | 1.10 MB
<class 'dict | 1658 | 856.62 KB
<class 'type | 436 | 443.60 KB
<class 'code | 2974 | 419.56 KB
<class '_io.BufferedWriter | 2 | 256.34 KB
<class 'set | 420 | 159.88 KB
<class '_io.BufferedReader | 1 | 128.17 KB
<class 'wrapper_descriptor | 1130 | 88.28 KB
<class 'tuple | 1304 | 86.57 KB
<class 'weakref | 1013 | 79.14 KB
<class 'builtin_function_or_method | 958 | 67.36 KB
<class 'method_descriptor | 865 | 60.82 KB
<class 'abc.ABCMeta | 62 | 59.96 KB
<class 'list | 446 | 58.52 KB
<class 'int | 1425 | 43.20 KB
For more info about muppy, refer to the `muppy documentation`_.
.. _muppy documentation: https://pythonhosted.org/Pympler/muppy.html
.. _topics-leaks-without-leaks:
.. _topics-leaks-without-leaks:
Leaks without leaks
Leaks without leaks
...
...
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