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> i think if you set
> minElementsInMemory = 0
> then it will remove all unlocked elements every period seconds. this isnt
> exactly what you want, but its closer
Sounds promising - what exactly is meant by a "locked" file in this context?
Cheers, Jon
On Mon, Sep 28, 2009 at 8:34 PM, John Caron <caron@xxxxxxxxxxxxxxxx> wrote:
> Jon Blower wrote:
>>
>> Dear all (esp. John),
>>
>> I think I have been misunderstanding the intended behaviour of the
>> cache of NetCDF files (the one that's initialized with
>> NetcdfDataset.initNetcdfFileCache()).
>>
>> What is the behaviour of the "periodic cleanup"? Does it remove
>> elements from memory only when the number of elements in memory
>> exceeds a certain number? Or does it also remove elements based on
>> their age?
>>
>> The behaviour I would like is the latter - i.e. I would like to be
>> able to guarantee that the elements in the cache are no older than,
>> say, five minutes. But this isn't the behaviour I'm seeing: elements
>> seem to persist essentially for ever. So perhaps the former behaviour
>> is the correct one? In which case, how would you recommend I
>> implement the latter behaviour?
>>
>
> static public void initNetcdfFileCache(int minElementsInMemory, int
> maxElementsInMemory, int hardLimit, int period) {
>
> i think if you set
>
> minElementsInMemory = 0
>
> then it will remove all unlocked elements every period seconds. this isnt
> exactly what you want, but its closer
>
>
--
Dr Jon Blower
Technical Director, Reading e-Science Centre
Environmental Systems Science Centre
University of Reading
Harry Pitt Building, 3 Earley Gate
Reading RG6 6AL. UK
Tel: +44 (0)118 378 5213
Fax: +44 (0)118 378 6413
j.d.blower@xxxxxxxxxxxxx
http://www.nerc-essc.ac.uk/People/Staff/Blower_J.htm
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