Bug 151718 - FILEOPEN DOCX Large table take document take long time to load
Summary: FILEOPEN DOCX Large table take document take long time to load
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Writer (show other bugs)
(earliest affected) release
Hardware: All All
: medium normal
Assignee: Not Assigned
Keywords: perf
Depends on:
Blocks: DOCX-Tables DOCX-Opening Performance
  Show dependency treegraph
Reported: 2022-10-23 18:57 UTC by Zayed
Modified: 2022-11-13 14:22 UTC (History)
4 users (show)

See Also:
Crash report or crash signature:

file that have the issue (480.45 KB, application/vnd.openxmlformats-officedocument.wordprocessingml.document)
2022-10-23 18:59 UTC, Zayed

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Description Zayed 2022-10-23 18:57:58 UTC
Opening large table document(docx) (1860 rows, 483 pages) with Writer take so long time. 

Steps to Reproduce:
1. Open attached document

Actual Results:
Writer take long time to open

Expected Results:
It should be fast.

Reproducible: Always

User Profile Reset: No

Additional Info:
If I convert the docx to odt, the odt file will open in a reasonable time.
Comment 1 Zayed 2022-10-23 18:59:17 UTC
Created attachment 183222 [details]
file that have the issue
Comment 2 Roman Kuznetsov 2022-10-29 20:18:55 UTC
Confirm the problem in

Version: (X86_64) / LibreOffice Community
Build ID: 02db1642c9ce4394f4f85755c4a0a831e547e4fb
CPU threads: 4; OS: Windows 10.0 Build 19043; UI render: Skia/Raster; VCL: win
Locale: ru-RU (ru_RU); UI: ru-RU
Calc: threaded

Writer opens the file example for ~1 minute, while MS Word opens the same file for only ~10 seconds . And Writer took 100% CPU for one-two minutes for pages handling after file opening