GNU bug report logs - #24850
need your help!strange problem.shred sometimes slow sometimes normal.

Previous Next

Package: coreutils;

Reported by: qq <276345114 <at> qq.com>

Date: Tue, 1 Nov 2016 15:39:02 UTC

Severity: normal

Done: Assaf Gordon <assafgordon <at> gmail.com>

Bug is archived. No further changes may be made.

To add a comment to this bug, you must first unarchive it, by sending
a message to control AT debbugs.gnu.org, with unarchive 24850 in the body.
You can then email your comments to 24850 AT debbugs.gnu.org in the normal way.

Toggle the display of automated, internal messages from the tracker.

View this report as an mbox folder, status mbox, maintainer mbox


Report forwarded to bug-coreutils <at> gnu.org:
bug#24850; Package coreutils. (Tue, 01 Nov 2016 15:39:02 GMT) Full text and rfc822 format available.

Acknowledgement sent to qq <276345114 <at> qq.com>:
New bug report received and forwarded. Copy sent to bug-coreutils <at> gnu.org. (Tue, 01 Nov 2016 15:39:02 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: qq <276345114 <at> qq.com>
To: "bug-coreutils <at> gnu.org" <bug-coreutils <at> gnu.org>
Subject: need your help!strange problem.shred sometimes slow sometimes normal.
Date: Tue, 1 Nov 2016 14:30:45 +0800
[image2.PNG (image/png, inline)]
[Message part 2 (text/plain, inline)]

There is the information of my operation. You can see it wil take almost 18 minutes for 1G when it change slowly.


[image3.PNG (image/png, inline)]
[Message part 4 (text/plain, inline)]



[image4.PNG (image/png, inline)]
[Message part 6 (text/plain, inline)]





Information forwarded to bug-coreutils <at> gnu.org:
bug#24850; Package coreutils. (Tue, 01 Nov 2016 15:57:02 GMT) Full text and rfc822 format available.

Message #8 received at 24850 <at> debbugs.gnu.org (full text, mbox):

From: Pádraig Brady <P <at> draigBrady.com>
To: qq <276345114 <at> qq.com>, 24850 <at> debbugs.gnu.org
Subject: Re: bug#24850: need your help!strange problem.shred sometimes slow sometimes normal.
Date: Tue, 1 Nov 2016 15:55:59 +0000
On 01/11/16 06:30, qq wrote:
> 
> 
> [shred v8.20 sometimes takes 18min to shred 1G of /dev/sda,
>  but usually takes 20seconds, on my ironic minios container]

I'm not sure, but I suspect the issue is outside of shred.
Note shred >= 8.21 enables direct IO which bypasses a
lot of the system VM chicanery, and so may performance better for you.




Information forwarded to bug-coreutils <at> gnu.org:
bug#24850; Package coreutils. (Sun, 28 Oct 2018 07:17:01 GMT) Full text and rfc822 format available.

Message #11 received at 24850 <at> debbugs.gnu.org (full text, mbox):

From: Assaf Gordon <assafgordon <at> gmail.com>
To: 24850 <at> debbugs.gnu.org
Subject: Re: bug#24850: need your help!strange problem.shred sometimes slow sometimes normal.
Date: Sun, 28 Oct 2018 01:16:43 -0600
close 24850
stop

(triaging old bugs)

On 2016-11-01 9:55 a.m., Pádraig Brady wrote:
> On 01/11/16 06:30, qq wrote:
>>
>>
>> [shred v8.20 sometimes takes 18min to shred 1G of /dev/sda,
>>   but usually takes 20seconds, on my ironic minios container]
> 
> I'm not sure, but I suspect the issue is outside of shred.
> Note shred >= 8.21 enables direct IO which bypasses a
> lot of the system VM chicanery, and so may performance better for you.

With no follow-ups in 2 years, I'm closing this bug.

-assaf





bug closed, send any further explanations to 24850 <at> debbugs.gnu.org and qq <276345114 <at> qq.com> Request was from Assaf Gordon <assafgordon <at> gmail.com> to control <at> debbugs.gnu.org. (Sun, 28 Oct 2018 07:17:02 GMT) Full text and rfc822 format available.

bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Sun, 25 Nov 2018 12:24:08 GMT) Full text and rfc822 format available.

This bug report was last modified 6 years and 205 days ago.

Previous Next


GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.