Hi Eli,

I've installed the 64-bit version (thanks for pointing that out), and the
conversion has now been running for 8 hours. Current memory consumption 3,5
GB for a 15 MB epub file. I'll revert here once it finishes.

Martin

On 28 November 2016 at 23:57, Stuart Flicker <email address hidden> wrote:

> Eli,
>
> I hope that the week has started well for you.
>
> This problem was fixed ages ago when the 64 bit version of Calibre was
> released.
>
> Thank-you for following up with me.
>
> Stuart
>
> On 11/28/2016 11:57 AM, Eli Schwartz wrote:
> > calibre cannot fix the problem of your computer not having enough RAM to
> > complete the conversion.
> >
> > Make sure you are using 64-bit calibre on a 64-bit OS. Otherwise calibre
> > cannot even access all the RAM your computer has (32-bit processes are
> > capped at 2 GB).
> >
> > Try adding more RAM to your computer (or just use a computer with more
> > RAM).
> >
> > If neither of those help, then you are simply out of luck, the book is
> too big/complex.
> > It is that simple.
> >
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/804829
>
> Title:
>   Memory error converting large book
>
> Status in calibre:
>   Won't Fix
>
> Bug description:
>   I tried to convert a very large book 230 MB from mobi to epub.  I am
> running Windows 7 64bit with 8 GB of memory.
>   The book was purchase from Mobilibrary. I can up load it if you want,
> but is is 230,330,916 bytes.
>   I understand this might just be to big to convert.
>   The error details
>   calibre, version 0.8.8
>   ERROR: Conversion Error: <b>Failed</b>: Convert book 1 of 1 (My Big Fat
> Library)
>
>   Convert book 1 of 1 (My Big Fat Library)
>   Resolved conversion options
>   calibre version: 0.8.8
>   {'asciiize': False,
>    'author_sort': None,
>    'authors': None,
>    'base_font_size': 0.0,
>    'book_producer': None,
>    'change_justification': u'original',
>    'chapter': u"//*[((name()='h1' or name()='h2') and re:test(.,
> 'chapter|book|section|part\\s+', 'i')) or @class = 'chapter']",
>    'chapter_mark': u'pagebreak',
>    'comments': None,
>    'cover': u'c:\\users\\gmaddry\\appdata\\local\\temp\\calibre_0.8.8_
> tmp_hryqud\\calibre_0.8.8_w4zgyw.jpeg',
>    'debug_pipeline': None,
>    'dehyphenate': True,
>    'delete_blank_paragraphs': True,
>    'disable_font_rescaling': False,
>    'dont_split_on_page_breaks': False,
>    'enable_heuristics': False,
>    'epub_flatten': False,
>    'extra_css': None,
>    'extract_to': None,
>    'fix_indents': True,
>    'flow_size': 260,
>    'font_size_mapping': None,
>    'format_scene_breaks': True,
>    'html_unwrap_factor': 0.4,
>    'input_encoding': None,
>    'input_profile': <calibre.customize.profiles.InputProfile object at
> 0x05C55CB0>,
>    'insert_blank_line': False,
>    'insert_metadata': False,
>    'isbn': None,
>    'italicize_common_cases': True,
>    'keep_ligatures': False,
>    'language': None,
>    'level1_toc': None,
>    'level2_toc': None,
>    'level3_toc': None,
>    'line_height': 0.0,
>    'linearize_tables': False,
>    'margin_bottom': 5.0,
>    'margin_left': 5.0,
>    'margin_right': 5.0,
>    'margin_top': 5.0,
>    'markup_chapter_headings': True,
>    'max_toc_links': 50,
>    'minimum_line_height': 120.0,
>    'no_chapters_in_toc': False,
>    'no_default_epub_cover': False,
>    'no_inline_navbars': False,
>    'no_svg_cover': False,
>    'output_profile': <calibre.customize.profiles.OutputProfile object at
> 0x05C55E90>,
>    'page_breaks_before': u"//*[name()='h1' or name()='h2']",
>    'prefer_metadata_cover': False,
>    'preserve_cover_aspect_ratio': False,
>    'pretty_print': True,
>    'pubdate': None,
>    'publisher': None,
>    'rating': None,
>    'read_metadata_from_opf': u'c:\\users\\gmaddry\\appdata\
> \local\\temp\\calibre_0.8.8_tmp_hryqud\\calibre_0.8.8_pv3u_m.opf',
>    'remove_fake_margins': True,
>    'remove_first_image': False,
>    'remove_paragraph_spacing': False,
>    'remove_paragraph_spacing_indent_size': 1.5,
>    'renumber_headings': True,
>    'replace_scene_breaks': u'',
>    'series': None,
>    'series_index': None,
>    'smarten_punctuation': False,
>    'sr1_replace': None,
>    'sr1_search': None,
>    'sr2_replace': None,
>    'sr2_search': None,
>    'sr3_replace': None,
>    'sr3_search': None,
>    'tags': None,
>    'timestamp': None,
>    'title': None,
>    'title_sort': None,
>    'toc_filter': None,
>    'toc_threshold': 6,
>    'unwrap_lines': True,
>    'use_auto_toc': False,
>    'verbose': 2}
>   InputFormatPlugin: MOBI Input running
>   on c:\users\gmaddry\appdata\local\temp\calibre_0.8.8_tmp_hryqud\
> calibre_0.8.8_n6zzib.mobi
>   Extracting text...
>   Extracting text...
>   Python function terminated unexpectedly
>      (Error Code: 1)
>   Traceback (most recent call last):
>     File "site.py", line 132, in main
>     File "site.py", line 109, in run_entry_point
>     File "site-packages\calibre\utils\ipc\worker.py", line 181, in main
>     File "site-packages\calibre\gui2\convert\gui_conversion.py", line 31,
> in gui_convert_override
>     File "site-packages\calibre\gui2\convert\gui_conversion.py", line 25,
> in gui_convert
>     File "site-packages\calibre\ebooks\conversion\plumber.py", line 922,
> in run
>     File "site-packages\calibre\customize\conversion.py", line 204, in
> __call__
>     File "site-packages\calibre\ebooks\mobi\input.py", line 27, in convert
>     File "site-packages\calibre\ebooks\mobi\reader.py", line 312, in
> extract_content
>     File "site-packages\calibre\ebooks\mobi\reader.py", line 866, in
> extract_text
>   MemoryError
>
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