Bug #17045: T3D Export crashes with memory exhausted - TYPO3 Core - TYPO3 Forge

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Bug #17045

closed

T3D Export crashes with memory exhausted

Added by Benjamin Geyer about 17 years ago. Updated almost 11 years ago.

Status:

Closed

Priority:

Should have

Assignee:

Georg Ringer

Category:

Backend API

Target version:

Start date:

2007-02-27

Due date:

% Done:

100%

Estimated time:

TYPO3 Version:

4.0

PHP Version:

5.2

Tags:

Complexity:

Is Regression:

Sprint Focus:

Description

While exporting a larger tree as T3D File the sysext class.tx_impexp.php exits with php error Memory exhausted.
Looking at the source I found at line 183: @ini_set = 256m
Setting this to a value higher than 1024m temporarily resolves the problem.
This is no real solution IMHO.
I din't find any reasons why the memory consumption ist that high.
Any hints?

(issue imported from #M5077)

Related issues 3 (0 open — 3 closed)

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Updated by Oliver Hader about 17 years ago

If you have many files in a page branche they are going to be exported as well. I guess that tx_impexp loads them into memory and finally puts aut the T3D file.
The import/export functions have to be rewritten for TYPO3 4.2.

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Updated by Stefan Neufeind almost 13 years ago

Still experienced large memory-consumption in 4.5.x lately. When exporting a large tree that can easily outgrow "reasonable" limits. Lately had a website and tried to export with 1GB RAM. Needed to bump it to around 12GB to finally get an export. (Okay, which failed on import then - but that's another story.)

Also even taking into account all files (graphics) on the filesystem would have been a lot less than 2GB. So I assume they get copied around in various places, serialized or whatever.

Splitting exports into multiple parts sometimes just isn't an option because of dependencies between objects and IDs.

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