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[Xen-API] Squeezed + slow domain = broken dynamic memory

from [George Shuklin] [Permanent Link][Original]
To: xen-api@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-API] Squeezed + slow domain = broken dynamic memory
From: George Shuklin <george.shuklin@xxxxxxxxx>
Date: Fri, 14 Jan 2011 19:00:46 +0300
Delivery-date: Fri, 14 Jan 2011 08:01:07 -0800
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Good day.

I found strange limitation in squeezed code: if domain's balloon does
not reply to memory change request it marked as 'uncooperative'.

This cause stops to react to vm-memory-dynamic-set commands and stay
until xe toolstak restarted.

As I understand this was done for fast memory regulation. Is any way to
disable this behavior? (And if some domain's balloon will not reply
ever, will it stops to work squeezed with other domains?)


Other question: can I restart squeezed without restarting xapi? Will it
break something?

Thanks.

---
wBR, George Shuklin
 


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