Den fre 14 juni 2019 kl 13:58 skrev Sean Redmond <sean.redmo...@gmail.com>:
> Hi Ceph-Uers, > I noticed that Soft Iron now have hardware acceleration for Erasure > Coding[1], this is interesting as the CPU overhead can be a problem in > addition to the extra disk I/O required for EC pools. > Does anyone know if any other work is ongoing to support generic FPGA > Hardware Acceleration for EC pools, or if this is just a vendor specific > feature. > > [1] > https://www.theregister.co.uk/2019/05/20/softiron_unleashes_accepherator_an_erasure_coding_accelerator_for_ceph/ > Are there numbers anywhere to see how "tough" on a CPU it would be to calculate an EC code compared to "writing a sector to a disk on a remote server and getting an ack back" ? To my very untrained eye, it seems like a very small part of the whole picture, especially if you are meant to buy a ton of cards to do it. -- May the most significant bit of your life be positive.
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