Issue: ErrorException: Fatal Error: Allowed memory size

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July 21, 2020 4:21 AM

hollosch

Senior Member

ErrorException: Fatal Error: Allowed memory size

ErrorException: Fatal Error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 131072 bytes) src/XF/Diff.php:198
Generiert von: Unbekanntes Konto 21. Juli 2020 um 10:18
Stack-Trace
#0 [internal function]: XF::handleFatalError()
#1 {main}
Status der Anfrage
array(4) {
["url"] => string(104) "/wiki/Stadtwiki_Geislingen/Ferienstadtmuseum_Sonstiges?do=history&action=compare&old id=13507&oldid2=5728"
["referrer"] => bool(false)
["_GET"] => array(4) {
["do"] => string(7) "history"
["action"] => string(7) "compare"
["oldid"] => string(5) "13507"
["oldid2"] => string(4) "5728"
}
["_POST"] => array(0) {
}
}

Issue Details

Issue Number 6079

Issue Type Bug

Project VaultWiki 4.x Series

Category Unknown

Status Fixed

Priority 2 - Fatal / Database Errors

Affected Version 4.1.0 RC 3

Fixed Version 4.1.0

Milestone (none)

Software DependencyXenForo 2.x

License TypePaid

Users able to reproduce bug 0

Users unable to reproduce bug 0

Attachments 0

Assigned Users (none)

Tags (none)

July 21, 2020 2:35 PM

pegasus

VaultWiki Team

Fixed in the next release. This was occurring due to trying to highlight words using too many characters at once.

When comparing revisions we made some optimizations:
- Generate segments from lines first. Before we were generating segments by comparing words, then rebuilding lines.
- Only attempt word comparisons (and highlighting) on segments that are a -/+ combination (before, words were tested before combinations could be determined).
- Don't attempt word comparisons on segments with more than 10000 characters. If it is needed, in the future, we may change this to highlight batches of 10000 characters, if there is demand.

With these optimizations, the example you posted is able to finish comparing.

This was a major logic change. It is possible that compare results for other platforms were disrupted and could need tweaking.

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Issue: ErrorException: Fatal Error: Allowed memory size

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