On Fri, Dec 31, 2021 at 03:48:25PM +0800, Coiby Xu wrote:
On Fri, Dec 31, 2021 at 02:42:17PM +0800, Tao Liu wrote:
>Hi Coiby,
[...]
>>>As for the file size of kdump.img, zstd makes a smaller
size, which is
>>>benificial for kdump kernel limited memory.
>>>
>>>As for the time consumption for compression when making kdump.img, zstd
>>>doesn't show a clear advance than zlib.
>> ^^^^^^^^^^^^^^^^^^
>>Should it be "an obvious advantage over"?
>
>For bare metal x86_64 machine, zstd user time decrease for ~1s, sys
>time increase for ~0.03s
>For PowerVM hosted ppc64le VM, zstd user time varies for +1s ~ -7s,
>sys time increase for ~0.03s
>
>I say "doesn't show a clear advance", meaning the time 1s may not be
>obviously observable to users.
Thanks for the explanation. I haven't seen this phrase "a clear advance"
before. Maybe a different phrase should be used.
How about "the users may be oblivious to the change"?
--
Best regards,
Coiby