Opened 4 years ago

Last modified 3 years ago

#9736 new enhancement

Memory allocation failed on category.php

Reported by: matsubobo Owned by: anonymous
Priority: lowest Milestone: Future Release
Component: Optimization Version: 2.7.1
Severity: minor Keywords: needs-patch
Cc:

Description

When I opened "/wp-admin/categories.php" I got following error message.

Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 3877 bytes) in /path_to_wordpress/wp-includes/category.php on line 369

I made over 70,000 categories manipulating MySQL table directory.

Attachments (1)

WS0507.JPG​ (51.8 KB) - added by matsubobo 4 years ago.

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Change History (7)

matsubobo — 4 years ago

comment:1   Viper007Bond — 4 years ago

  • Component changed from Administration to Optimization
  • Priority changed from low to lowest
  • Severity changed from major to normal

comment:2   Viper007Bond — 4 years ago

  • Keywords dev-feedback needs-patch added; category removed

comment:3   Denis-de-Bernardy — 4 years ago

  • Milestone changed from Unassigned to Future Release
  • Severity changed from normal to minor

the only way to fix this is to rework the walker classes, in such a way that they only load what is needed (as is done in Yahoo Mail, for instance).

comment:4   Denis-de-Bernardy — 4 years ago

  • Keywords dev-feedback removed
  • Type changed from defect (bug) to enhancement

comment:5   mattsains — 3 years ago

What if we had something like

if num_rows * [rough estimate of memory needed per category] > memory_limit then

load only so much

else

go right ahead

comment:6   mattsains — 3 years ago

I can't replicate this error - The difference between one byte of assigned memory makes the page either completely fail or completely load.

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