* Time issues with checkpoints resolved?
@ 2013-01-29 22:10 Piotr Szymaniak
2013-01-30 5:50 ` Vyacheslav Dubeyko
0 siblings, 1 reply; 4+ messages in thread
From: Piotr Szymaniak @ 2013-01-29 22:10 UTC (permalink / raw)
To: linux-nilfs-u79uwXL29TY76Z2rM5mHXA
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Hi,
Sorry, but I can't find an answer and noticed some checkpoints in the
past in the middle of other checkpoints (there was a thread, I think,
about similar issue with timezone change).
Right now I have (Raspberry Pi doesn't have RTC):
~ lscp
(...)
7870 2013-01-27 15:12:30 cp - 22 42174
7871 2013-01-27 15:34:23 cp - 19 42174
7872 2013-01-27 15:42:29 cp - 22 42174
7873 1970-01-01 01:05:05 cp - 93 42176
7874 1970-01-01 01:10:05 cp - 22 42174
7875 1970-01-01 01:36:36 cp - 18 42174
(...)
8031 1970-01-03 07:08:19 cp - 57 42183
8032 1970-01-03 07:13:20 cp - 36 42182
8033 2013-01-29 00:01:57 cp - 30 42182
8034 2013-01-29 00:19:34 cp - 599 42313
I just wonder if cleaner is now smart enough to clean this mess.
Piotr Szymaniak.
--
Szpakowate włosy przytrzymywała niebieską aksamitną opaską; oczy miała
prawie fiołkowe i szeroką, inteligentną twarz kogoś, kto nie będzie
cierpliwie znosił głupców, ale też potrafi śmiać się z samego siebie
szybciej, niż ktokolwiek inny zdoła.
-- Graham Masterton, "Zaklęci"
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Time issues with checkpoints resolved?
2013-01-29 22:10 Time issues with checkpoints resolved? Piotr Szymaniak
@ 2013-01-30 5:50 ` Vyacheslav Dubeyko
2013-02-12 9:29 ` Piotr Szymaniak
0 siblings, 1 reply; 4+ messages in thread
From: Vyacheslav Dubeyko @ 2013-01-30 5:50 UTC (permalink / raw)
To: Piotr Szymaniak; +Cc: linux-nilfs-u79uwXL29TY76Z2rM5mHXA
Hi Piotr,
On Tue, 2013-01-29 at 23:10 +0100, Piotr Szymaniak wrote:
> Hi,
>
> Sorry, but I can't find an answer and noticed some checkpoints in the
> past in the middle of other checkpoints (there was a thread, I think,
> about similar issue with timezone change).
>
> Right now I have (Raspberry Pi doesn't have RTC):
> ~ lscp
> (...)
> 7870 2013-01-27 15:12:30 cp - 22 42174
> 7871 2013-01-27 15:34:23 cp - 19 42174
> 7872 2013-01-27 15:42:29 cp - 22 42174
> 7873 1970-01-01 01:05:05 cp - 93 42176
> 7874 1970-01-01 01:10:05 cp - 22 42174
> 7875 1970-01-01 01:36:36 cp - 18 42174
> (...)
> 8031 1970-01-03 07:08:19 cp - 57 42183
> 8032 1970-01-03 07:13:20 cp - 36 42182
> 8033 2013-01-29 00:01:57 cp - 30 42182
> 8034 2013-01-29 00:19:34 cp - 599 42313
>
> I just wonder if cleaner is now smart enough to clean this mess.
>
Unfortunately, it is not. Such fix doesn't made yet. I think that it
needs to modify nilfs-clean utility. But, currently, I am deeply inside
fixing of issues with flush kernel thread and bad btree node. These
issues are slightly complex. I tried several solutions but I haven't the
proper yet. Maybe, a final solution will be a combination of several
fixes that I tried.
But fixing of issue with timezone change in my TODO list.
With the best regards,
Vyacheslav Dubeyko.
>
> Piotr Szymaniak.
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Time issues with checkpoints resolved?
2013-01-30 5:50 ` Vyacheslav Dubeyko
@ 2013-02-12 9:29 ` Piotr Szymaniak
2013-02-13 6:24 ` Vyacheslav Dubeyko
0 siblings, 1 reply; 4+ messages in thread
From: Piotr Szymaniak @ 2013-02-12 9:29 UTC (permalink / raw)
To: Vyacheslav Dubeyko; +Cc: linux-nilfs-u79uwXL29TY76Z2rM5mHXA
[-- Attachment #1: Type: text/plain, Size: 2033 bytes --]
On Wed, Jan 30, 2013 at 09:50:07AM +0400, Vyacheslav Dubeyko wrote:
> Hi Piotr,
>
> On Tue, 2013-01-29 at 23:10 +0100, Piotr Szymaniak wrote:
> > Hi,
> >
> > Sorry, but I can't find an answer and noticed some checkpoints in the
> > past in the middle of other checkpoints (there was a thread, I think,
> > about similar issue with timezone change).
> >
> > Right now I have (Raspberry Pi doesn't have RTC):
> > ~ lscp
> > (...)
> > 7870 2013-01-27 15:12:30 cp - 22 42174
> > 7871 2013-01-27 15:34:23 cp - 19 42174
> > 7872 2013-01-27 15:42:29 cp - 22 42174
> > 7873 1970-01-01 01:05:05 cp - 93 42176
> > 7874 1970-01-01 01:10:05 cp - 22 42174
> > 7875 1970-01-01 01:36:36 cp - 18 42174
> > (...)
> > 8031 1970-01-03 07:08:19 cp - 57 42183
> > 8032 1970-01-03 07:13:20 cp - 36 42182
> > 8033 2013-01-29 00:01:57 cp - 30 42182
> > 8034 2013-01-29 00:19:34 cp - 599 42313
> >
> > I just wonder if cleaner is now smart enough to clean this mess.
> >
>
> Unfortunately, it is not. Such fix doesn't made yet. I think that it
> needs to modify nilfs-clean utility. But, currently, I am deeply inside
> fixing of issues with flush kernel thread and bad btree node. These
> issues are slightly complex. I tried several solutions but I haven't the
> proper yet. Maybe, a final solution will be a combination of several
> fixes that I tried.
>
> But fixing of issue with timezone change in my TODO list.
Ok, can you (or someone else) refresh my memory what will hit me when cp
7872 will be cleaned? cleanerd will stop cleaning?
Piotr Szymaniak.
--
W tamtych latach wiejskie rodziny chodziły do lóżka bardzo
wcześnie - "kiedy robiło się ciemno pod stołem", jak mawiała moja
własna matka - i spały kamiennym snem.
-- Stephen King, "The Green Mile"
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Time issues with checkpoints resolved?
2013-02-12 9:29 ` Piotr Szymaniak
@ 2013-02-13 6:24 ` Vyacheslav Dubeyko
0 siblings, 0 replies; 4+ messages in thread
From: Vyacheslav Dubeyko @ 2013-02-13 6:24 UTC (permalink / raw)
To: Piotr Szymaniak; +Cc: linux-nilfs-u79uwXL29TY76Z2rM5mHXA
On Tue, 2013-02-12 at 10:29 +0100, Piotr Szymaniak wrote:
> On Wed, Jan 30, 2013 at 09:50:07AM +0400, Vyacheslav Dubeyko wrote:
> > Hi Piotr,
> >
> > On Tue, 2013-01-29 at 23:10 +0100, Piotr Szymaniak wrote:
> > > Hi,
> > >
> > > Sorry, but I can't find an answer and noticed some checkpoints in the
> > > past in the middle of other checkpoints (there was a thread, I think,
> > > about similar issue with timezone change).
> > >
> > > Right now I have (Raspberry Pi doesn't have RTC):
> > > ~ lscp
> > > (...)
> > > 7870 2013-01-27 15:12:30 cp - 22 42174
> > > 7871 2013-01-27 15:34:23 cp - 19 42174
> > > 7872 2013-01-27 15:42:29 cp - 22 42174
> > > 7873 1970-01-01 01:05:05 cp - 93 42176
> > > 7874 1970-01-01 01:10:05 cp - 22 42174
> > > 7875 1970-01-01 01:36:36 cp - 18 42174
> > > (...)
> > > 8031 1970-01-03 07:08:19 cp - 57 42183
> > > 8032 1970-01-03 07:13:20 cp - 36 42182
> > > 8033 2013-01-29 00:01:57 cp - 30 42182
> > > 8034 2013-01-29 00:19:34 cp - 599 42313
> > >
> > > I just wonder if cleaner is now smart enough to clean this mess.
> > >
> >
> > Unfortunately, it is not. Such fix doesn't made yet. I think that it
> > needs to modify nilfs-clean utility. But, currently, I am deeply inside
> > fixing of issues with flush kernel thread and bad btree node. These
> > issues are slightly complex. I tried several solutions but I haven't the
> > proper yet. Maybe, a final solution will be a combination of several
> > fixes that I tried.
> >
> > But fixing of issue with timezone change in my TODO list.
>
> Ok, can you (or someone else) refresh my memory what will hit me when cp
> 7872 will be cleaned? cleanerd will stop cleaning?
>
Segments for processing by GC are selected on the basis of importance
that defines by selection policy method. Currently, we have one method
that works on the basis of condition: sui_lastmod < ss_nongc_ctime. The
sui_lastmod is timestamp of the last modification. The ss_nongc_ctime is
creation time of the last segment not for GC.
With the best regards,
Vyacheslav Dubeyko.
>
> Piotr Szymaniak.
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2013-01-29 22:10 Time issues with checkpoints resolved? Piotr Szymaniak
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2013-02-13 6:24 ` Vyacheslav Dubeyko
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