On 03/12/2013 13:38, James Pearce wrote:
> Since the journal partitions are generally small, it shouldn't need to be.
> 
> For example implement with substantial under-provisioning, either via HPA or 
> simple partitions.
> 

Does that mean the problem will happen much later or that it will never happen 
? As far as I understand it is just postponing it but I just discover this and 
may be completely mistaken :-)

Cheers

> On 2013-12-03 12:18, Loic Dachary wrote:
>> Hi Ceph,
>>
>> When an SSD partition is used to store a journal
>>
>> https://github.com/ceph/ceph/blob/master/src/os/FileJournal.cc#L90
>>
>> how is it trimmed ?
>>
>> http://en.wikipedia.org/wiki/Trim_%28computing%29
>>
>> Cheers
>>
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> 
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-- 
Loïc Dachary, Artisan Logiciel Libre

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