"holes" in graph

[weasel]

Hi folks and hi mbrijun

Aaaanother question

My load graphs are looking something like the example attached.

Why are there these "holes"?

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edit:

the problem appears only with the load-graph. All other graphs are "goodlooking"

[richlv]

you probably already found it yourself, but it seems that thread http://www.zabbix.com/forum/showthread.php?t=3322 is relevant