In this tutorial, we are going to find out some of the possible causes that can lead to the Python Pickle Dump memory error, and after that, we will provide some possible recovery methods that you can use to try to fix the problem.
PC running slow?
I am now the author of a package called
klepto (and the author of the including
dill ).Designed for very simple storage of recovered and real physical objects,
klepto provides a simple dictionary interface for databases, a cache for storage devices, and disk storage. Below I’ll show you storing LOBs in a huge archive, a directory, which is a directory on the filesystem, where one file is important for each entry. I choose object serialization (it is more measured, but uses
dill so you can sell almost any object) and choose any cache. Using memory.cache allows me to quickly access an archive of directories without having to keep the entire archive in memory. Interacting with the database or file may take a while, but interacting with memory is fast … because you can fill the archive memory cache as you wish.
>>> Klepto>>> Import d = klepto.archives.dir_archive ('foo', cached = True, serialized = True)>>> ddir_archive ('stuff' ,, cached = True)>>> import numpy>>> # add three sale offers to the cache p memory>>> d ['big1'] Numpy = .arange (1000)>>> d ['big2'] = numpy.arange (1000)>>> d ['big3'] = numpy.arange (1000)>>> Extract numbers from the cache memory in the entire archive on the hard disk>>> d.dump ()>>> Clear # cache memory>>> d.clair ()>>> ddir_archive ('stuff' ,, cached = True)>>> # only legion caching entries often from archive>>> d.load ('big1')>>> d ['grand1'] [- 3:]Table ([997, 998, 999])>>>
klepto offers fast and flexible access to large amounts of memory, and if the archive allows us parallel access (like some databases), you can read the results in parallel. It is also easy to share the results of different parallel processes or on different machines. Here, for example, I am creating a second archive pointing to the directory of the same archive. Transferring keys between two objects is easy, and the process is no different from other processes.
>>> f = klepto.archives.dir_archive ('foo', cached = True, serialized = True)>>> fdir_archive ('stuff' ,, cached = True)>>> # add very small objects to the first cache>>> d ['small1'] = Lambda x: x ** 2>>> d ['small2'] equals (1,2,3)>>> #Clean objects in your archive>>> d.dump ()>>> # Load one of the closest objects into the cache>>> second f.load ('small2')>>> thendir_archive ('foo', 'small2': (1, 2, 3),cacheable = True)
You can also choose from different levels of compression of information about the file and aboutYou want the files to appear in memory. Much has to do with differentParameters for file backends and indexes. Interfacehowever, it is the same.
Regarding your other questions about deleting junk files and editing parts of the dictionary,
klepto can do both of these things, because a person can load and delete objects out of cache separately, empty, load and synchronization with the server side, archive or others created using other dictionary methods.
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I created a class with a list (content,
binaries) is so large that it takes up a lot of memory.
When I select the list dump for the first time, it assigns a 1.9 GB file to
Disk. I can get the content back, but when I try to clear it
Again (with or without additions) get this:
Follow-up call (last call):
File “c: Python26 Lib pickle.py”, 1362, line in dump
Pickler (file, log) .dump (obj)
The file “c: Python26 Lib pickle.py “, ray 224, in the dump
Save file “c: Python26 Lib pickle.py”, zone 286, in obj)
f (self, # call an unrelated approach with explicit self
File “c: Python26 Lib pickle.py”, line 600, in save_list
self._batch_appends (iter (obj))
File “c: Python26 Lib pickle.py”, line 615, to “c: Python26 Lib pickle _batch_appends”
File.py “, web 286, save to obj)
f (self, # call an unbound method with explicit self
File “c: Python26 Lib pickle.py”, line 488, in save_string
self.write (STRING + repr (obj) + ‘ n’)
I am trying to get this error either by trying to load the complete list or by keeping
it was found in “segments”, i.e. in a list of 2229 elements, i.e. from
Command line. I’ve tried individual pieces of
using Pickle.The list is in files, that is, 500 climatic zones have been recorded in their own
The file is still the same error.
I created the following sequence while trying to dump most of the dump list into
Segments – X and Y were separated by indices of 500 elements, pattern doesn’t work
by [1000: 1500]:
I am assuming the available hard drive is exhausted, so I tried
“Waiting” for landfills in the hope that a series of garbage
Free up some memory – But it won’t help at all.
1. The Gets List was indeed compiled from various sources
2. The marketing mailing list can be successfully deleted
3. the program restarts gracefully and loads the
list4. The list cannot be (re) unloaded without a MemoryError
Any ideas (other than specific ones – don’t save all of these files
Greedy content for the list! Although this is a simple “answer” I see under
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