1251596 - High memory usage in mapping applications

Status: UNCONFIRMED

(Core :: Graphics: ImageLib, defect, P3)

Description

[andris.skudra]

Attachment: about.memory

User Agent: Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36

Steps to reproduce:

1) open this WebMap - http://www.arcgis.com/home/webmap/viewer.html?webmap=1f61f0c4ddcf4b7d8b7586d6cd85574d
2) zoom (use mousewheel) in and out around 10-30 times. 


Actual results:

Memory goes up to 600MB-1GB+. And stays there for a while, then drops 100-200 MB, stays there for a minute, and so on.

When WebMap is viewed from PC with 4 GB RAM, is usually ends with a crash.

All plugins are disabled (FF in safe mode).

Observed on:
W8 64bit, FF 44  
W8 64bit, FF 46 DEV
W7 32bit, FF 44

When I open about:memory, this line catches attention:
  539.84 MB ── imagelib-surface-cache-estimated-total

I have found out that setting this config parameter helps - image.mem.surfacecache.min_expiration_ms to 1000.


Expected results:

I don't think memory consumption should be so high. On Chrome and IE it is about 200-300 MB and stays there, not matter how much I pan, scroll and try to break this.