Hi!

> Hi all

> I just tested dedup on this test box running OpenIndiana (147) storing bacula 
> backups, and did some more testing on some datasets with ISO images. The > 
> results show so far that removing 30GB deduped datasets are done in a matter 
> of minutes, which is not the case with 134 (which may take hours). The tests 
> also show that the write speed to the pool is low, very low, if dedup is 
> enabled. This is a box with a 3GHz core2duo, 8 gigs of RAM, eight 2TB drives 
> and a 80GB x25m for the SLOG (4 gigs) and L2ARC (the rest of it).

> So far I will conclude that dedup should be useful if storage capacity is 
> crucial, but not if performance is taken into concideration.

> Mind, this is not a high-end box, but still, I think the numbers show 
> something

Hi, it is probably due you have quite low amount of ram. I have similar setup, 
10TB dataset that can handle 100MB/s writes easily, system has 24GB of ram.

Yours
Markus Kovero

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