Re: nvme+btrfs+compression sensibility and benchmark

2018-04-19 Thread Nikolay Borisov
On 18.04.2018 22:24, Chris Murphy wrote: > On Wed, Apr 18, 2018 at 10:38 AM, Austin S. Hemmelgarn > wrote: > >> For reference, the zstd compression in BTRFS uses level 3 by default (as >> does zlib compression IIRC), though I'm not sure about lzop (I think it >> uses the

Re: nvme+btrfs+compression sensibility and benchmark

2018-04-18 Thread Brendan Hide
Thank you, all Though the info is useful, there's not a clear consensus on what I should expect. For interest's sake, I'll post benchmarks from the device itself when it arrives. I'm expecting at least that I'll be blown away :) On 04/18/2018 09:23 PM, Chris Murphy wrote: On Wed, Apr 18,

Re: nvme+btrfs+compression sensibility and benchmark

2018-04-18 Thread Chris Murphy
On Wed, Apr 18, 2018 at 10:38 AM, Austin S. Hemmelgarn wrote: > For reference, the zstd compression in BTRFS uses level 3 by default (as > does zlib compression IIRC), though I'm not sure about lzop (I think it > uses the lowest compression setting). > The user space

Re: nvme+btrfs+compression sensibility and benchmark

2018-04-18 Thread Nikolay Borisov
On 18.04.2018 21:28, David Sterba wrote: > On Wed, Apr 18, 2018 at 06:14:07PM +0300, Nikolay Borisov wrote: >> >> >> On 18.04.2018 18:10, Brendan Hide wrote: >>> Hi, all >>> >>> I'm looking for some advice re compression with NVME. Compression helps >>> performance with a minor CPU hit - but is

Re: nvme+btrfs+compression sensibility and benchmark

2018-04-18 Thread David Sterba
On Wed, Apr 18, 2018 at 06:14:07PM +0300, Nikolay Borisov wrote: > > > On 18.04.2018 18:10, Brendan Hide wrote: > > Hi, all > > > > I'm looking for some advice re compression with NVME. Compression helps > > performance with a minor CPU hit - but is it still worth it with the far > > higher

Re: nvme+btrfs+compression sensibility and benchmark

2018-04-18 Thread Austin S. Hemmelgarn
On 2018-04-18 11:10, Brendan Hide wrote: Hi, all I'm looking for some advice re compression with NVME. Compression helps performance with a minor CPU hit - but is it still worth it with the far higher throughputs offered by newer PCI and NVME-type SSDs? I've ordered a PCIe-to-M.2 adapter

Re: nvme+btrfs+compression sensibility and benchmark

2018-04-18 Thread Nikolay Borisov
On 18.04.2018 18:10, Brendan Hide wrote: > Hi, all > > I'm looking for some advice re compression with NVME. Compression helps > performance with a minor CPU hit - but is it still worth it with the far > higher throughputs offered by newer PCI and NVME-type SSDs? > > I've ordered a PCIe-to-M.2

nvme+btrfs+compression sensibility and benchmark

2018-04-18 Thread Brendan Hide
Hi, all I'm looking for some advice re compression with NVME. Compression helps performance with a minor CPU hit - but is it still worth it with the far higher throughputs offered by newer PCI and NVME-type SSDs? I've ordered a PCIe-to-M.2 adapter along with a 1TB 960 Evo drive for my home