On Wed, 11 Apr 2012, m.r...@5-cent.us wrote:

> Steve Thompson wrote:
>> On Wed, 11 Apr 2012, m.r...@5-cent.us wrote:
>>
>>> Been seeing that on 6.2, also, though I've not noticed them locking up
>>> (the ones that have were in a cluster, and someone could have hosed
>>> memory). It got less with the latest kernel, but I'm still seeing them
>>> occasionally.
>>
>> This is most likely a problem due to data arriving too quickly for the VM
>> subsystem to flush dirty pages to disk to keep up; the kernel switches to
>> synchronous mode when the dirty_ratio percentage of memory pages is used.
>> You might try upping your dirty_ratio, or reducing it drastically.
>>
> But mine are *not* VMs.

VM = Virtual Memory.
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