bit-rot is another feature that consumes much CPU to calculate the file content hash
On Thu, Jan 11, 2018 at 11:42 AM, Ashish Pandey <aspan...@redhat.com> wrote: > Hi, > > We have been thinking of exploiting GPU capabilities to enhance > performance of glusterfs. We would like to know others thoughts on this. > In EC, we have been doing CPU intensive computations to encode and decode > data before writing and reading. This requires a lot of CPU cycles and we > have > been observing 100% CPU usage on client side. Data healing will also have > the same impact as it also needs to do read-decode-encode-write cycle. > As most of the modern servers comes with GPU feature, having glusterfs > GPU ready might give us performance improvements. > This is not only specific to EC volume, there are other features which > will require a lot of computations and could use this capability; For > Example: > 1 - Encryption/Decryption > 2 - Compression and de-duplication > 3 - Hashing > 4 - Any other? [Please add if you have something in mind] > > Before proceeding further we would like to have your inputs on this. > Do you have any other use case (existing or future) which could perform > better on GPU? > Do you think that it is worth to integrate GPU with glusterfs? The effort > to have this performance gain could be achieved by some other better ways. > Any input on the way we should implement it. > > There is a gihub issue opened for this. Please provide your comment or > reply to this mail. > > A - https://github.com/gluster/glusterfs/issues/388 > > --- > Ashish > > _______________________________________________ > Gluster-devel mailing list > gluster-de...@gluster.org > http://lists.gluster.org/mailman/listinfo/gluster-devel > -- Milind
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