[Libreoffice-bugs] [Bug 134306] New: The undo information for inserting a row in a large sheet is +/- 200 MB. Tracking changes needs only 45 MB

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=134306

            Bug ID: 134306
           Summary: The undo information for inserting a row in a large
                    sheet is +/- 200 MB. Tracking changes needs only 45 MB
           Product: LibreOffice
           Version: 4.4.7.2 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: telesto at surfxs.nl

Description:
The undo information for inserting a row in a large sheet is 200 MB. Tracking
changes needs 45 MB. So I assume some room for improvement

Steps to Reproduce:
1. Open attachment 161647 [details]
2. Copy column A-C
3. Paste it always next the other, so DEF GHI KLM NOP 
4. Open an process manager
5. Insert a row -> Notice a bump of 200 MB
6. Go to tools -> options -> LibreOfficeDev -> Advanced. Open expert
Configuration & search for Undo (Steps) reduce it from 100 to 0
7. Quite LibreOffice
8. Open the attached file again
9. Repeat step 2/3
10. Edit -> Track and changes -> Record
11. Have the process manager still around
12. Insert a row -> Take notice of the memory bump (50 MB)
13. Edit -> Track and changes -> Manage
14. Reject change.. 

Related in some way bug 134301

Actual Results:
Undo needs by far more ram for the same 'undo' information

Expected Results:
Something similar to tracking changes would be nice..


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 7.1.0.0.alpha0+ (x64)
Build ID: 006c65bbd472cb1d7d44e095714e28190b76be0d
CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: default; VCL: win
Locale: nl-NL (nl_NL); UI: en-US
Calc: CL

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