Re: Matlabpool performance/deadlock? problems

"John " <lkjds.fdskj@mailinator.com> writes:

>> That definitely doesn't sound right, that means that the client
>> hasn't finished sending the SPMD blocks to the workers.
>>
>> When this is happening, what's the memory usage on the machine like?
>> Is it swapping? How much RAM does the machine have?
>
> no swapping in progress, we have 256 GiB of RAM. Currently there is
> not really much truly free but most of it cached (Linux disk cache)
> which should be available to MATLAB instantaneously. So the problem
> began to occur again today after two days of hassle-free operation. No
> different usage pattern, just two users doing matlabpool
> calculations. I tried another kernel (3.6.2-3-desktop #1 SMP PREEMPT)
> but it didn't help a bit :/

When you look at 'top' on the system when the problem is occurring, do
you notice anything different in terms of load, memory in use etc.?

> My users are beginning to get annoyed about the frequent restarts and
> the delays. Is it possible/advisable to escalate this to the MATLAB
> support or do they charge extra? We really need a working system.

I believe if your licences are in maintenance that should be fine.

Cheers,

Edric.