Re: [lustre-devel] New contributor inquiry – statu s of LU-1643 (“reserved space” in stat fs/df) and guidance requested

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Thank you, Andreas!
I'm currently looking into LU-7880. Will follow up if I have an
implementation plan or run into any questions (quite likely).

By the way, should I reach out to the lustre-devel for questions like this,
or is there a more specific channel?

Thanks!
George

On Wed, Apr 30, 2025 at 4:44=E2=80=AFAM Andreas Dilger <[email protected]> wr=
ote:

> Hi George,
> thanks for your interest.  There are definitely a number of open tickets
> in the "easy" (and "medium") categories that you could work on, though
> there have been a number of interns and new hires working on those ticket=
s
> recently and fewer are now available.
>
> LU-1643 happens to be the oldest "easy" ticket, but don't let that guide
> your selection.  I would suggest you take a look through the whole list a=
nd
> pick something that is of interest to you and/or matches your experience
> level.
>
> - LU-16738 <https://jira.whamcloud.com/browse/LU-16738> - Improve
> mount.lustre with many MGS NIDs
> <https://jira.whamcloud.com/browse/LU-16738>: this is partly a userspace
> (mount.lustre) change and partly in the kernel (though not incredibly
> complex).  This is actually in the "useful" category that provides improv=
ed
> functionality for something that is seen regularly.
>
>
> If you are feeling more adventurous, you might look at one of the "medium=
"
> tickets, which may not be too difficult:
> - LU-7880 <https://jira.whamcloud.com/browse/LU-7880> - add OST/MDT
> performance statistics to obd_statfs
> <https://jira.whamcloud.com/browse/LU-7880>:  this is a very useful
> feature that would allow clients/user applications to probe the IO load o=
n
> OSTs, and self-optimize checkpoint IO to times when the OSTs are less bus=
y
> - LU-13123 <https://jira.whamcloud.com/browse/LU-13123> - Add list of
> client NIDs to job_stats output
> <https://jira.whamcloud.com/browse/LU-13123>: this would associate all of
> the clients that are contributing to the job_stats for a specific JobID,
> and would be useful for debugging and monitoring/
>
> On Apr 29, 2025, at 17:41, GEORGE ZHAO <[email protected]> wrote:
>
>
> I'm a storage engineer and a Lustre beginner who just figured out how to
> deploy it. Did read a lot about it though.
> My goal is using Lustre to support HPC/ML workload. And I believe doing
> some tasks would help me proceed better.
>
> As wiki suggested, I found an "easy" ticket LU-1643: =E2=80=9CRequest to =
remove
> display of reserved space from statfs (df) total space.=E2=80=9D
> Is it still unclaimed?
> If it's already in progress, or there's a higher priority issue that coul=
d
> use help, please point me in the right direction.
>
> Thanks in advance for any advice.
>
> Best regards,
> George
> _______________________________________________
> lustre-devel mailing list
> [email protected]
> http://lists.lustre.org/listinfo.cgi/lustre-devel-lustre.org
>
>
> Cheers, Andreas
> =E2=80=94
> Andreas Dilger
> Lustre Principal Architect
> Whamcloud/DDN
>
>
>
>
>

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<div dir=3D"ltr"><div dir=3D"ltr">Thank you, Andreas!<br>I&#39;m currently =
looking into LU-7880. Will follow up if I have an implementation plan or ru=
n into any questions (quite likely).<br><br>By the way, should I reach out =
to the lustre-devel for questions like this, or is there a more specific ch=
annel?<br><div><br></div><div>Thanks!</div><div>George</div></div><br><div =
class=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=3D"gmail=
_attr">On Wed, Apr 30, 2025 at 4:44=E2=80=AFAM Andreas Dilger &lt;<a href=
=3D"mailto:[email protected]">[email protected]</a>&gt; wrote:<br></div><blockq=
uote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1p=
x solid rgb(204,204,204);padding-left:1ex">



<div>
Hi George,
<div>thanks for your interest.=C2=A0 There are definitely a number of open =
tickets in the &quot;easy&quot; (and &quot;medium&quot;) categories that yo=
u could work on, though there have been a number of interns and new hires w=
orking on those tickets recently and fewer are now available.</div>
<div><br>
</div>
<div>LU-1643 happens to be the oldest &quot;easy&quot; ticket, but don&#39;=
t let that guide your selection.=C2=A0 I would suggest you take a look thro=
ugh the whole list and pick something that is of interest to you and/or mat=
ches your experience level.</div>
<div><br>
</div>
<div>-=C2=A0<a href=3D"https://jira.whamcloud.com/browse/LU-16738" id=3D"m_=
1429994837881312626key-val" rel=3D"75582" target=3D"_blank">LU-16738</a>=C2=
=A0-=C2=A0<a href=3D"https://jira.whamcloud.com/browse/LU-16738" target=3D"=
_blank">Improve mount.lustre
 with many MGS NIDs</a>: this is partly a userspace (mount.lustre) change a=
nd partly in the kernel (though not incredibly complex).=C2=A0 This is actu=
ally in the &quot;useful&quot; category that provides improved functionalit=
y for something that is seen regularly.</div>
<div><br>
</div>
<div><br>
</div>
<div>If you are feeling more adventurous, you might look at one of the &quo=
t;medium&quot; tickets, which may not be too difficult:</div>
<div>-=C2=A0<a href=3D"https://jira.whamcloud.com/browse/LU-7880" target=3D=
"_blank">LU-7880</a>=C2=A0-=C2=A0<a href=3D"https://jira.whamcloud.com/brow=
se/LU-7880" target=3D"_blank">add OST/MDT performance statistics to obd_sta=
tfs</a>:
 =C2=A0this is a very useful feature that would allow clients/user applicat=
ions to probe the IO load on OSTs, and self-optimize checkpoint IO to times=
 when the OSTs are less busy</div>
<div>-=C2=A0<a href=3D"https://jira.whamcloud.com/browse/LU-13123" target=
=3D"_blank">LU-13123</a>=C2=A0-=C2=A0<a href=3D"https://jira.whamcloud.com/=
browse/LU-13123" target=3D"_blank">Add list of client NIDs to job_stats out=
put</a>:
 this would associate all of the clients that are contributing to the job_s=
tats for a specific JobID, and would be useful for debugging and monitoring=
/<br id=3D"m_1429994837881312626lineBreakAtBeginningOfMessage">
<div><br>
<div>
<div>On Apr 29, 2025, at 17:41, GEORGE ZHAO &lt;<a href=3D"mailto:georgezha=
[email protected]" target=3D"_blank">[email protected]</a>&gt; wrote:<=
/div>
</div>
<blockquote type=3D"cite">
<div>
<div>
<div>
<div dir=3D"ltr">
<div><br>
</div>
<div>I&#39;m a storage engineer and a Lustre=C2=A0beginner who just figured=
 out how to deploy it. Did read a lot about it though.</div>
<div>My goal is using Lustre to support=C2=A0HPC/ML workload. And I believe=
 doing some tasks would help me proceed better.</div>
<div><br>
</div>
<div>As wiki suggested, I found an &quot;easy&quot; ticket LU-1643: =E2=80=
=9CRequest to remove display of reserved space from statfs (df) total space=
.=E2=80=9D</div>
<div>Is it still unclaimed?=C2=A0</div>
<div>If it&#39;s already in progress, or there&#39;s a higher priority issu=
e that could use help, please point me in the right direction.</div>
<div><br>
</div>
<div>Thanks in advance for any advice.<br>
<br>
Best regards,</div>
<div>George</div>
</div>
</div>
</div>
_______________________________________________<br>
lustre-devel mailing list<br>
<a href=3D"mailto:[email protected]" target=3D"_blank">lustre-d=
[email protected]</a><br>
<a href=3D"http://lists.lustre.org/listinfo.cgi/lustre-devel-lustre.org" ta=
rget=3D"_blank">http://lists.lustre.org/listinfo.cgi/lustre-devel-lustre.or=
g</a><br>
</div>
</blockquote>
</div>
<br>
<div>
<div dir=3D"auto" style=3D"color:rgb(0,0,0);letter-spacing:normal;text-alig=
n:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing=
:0px;text-decoration:none">
<div dir=3D"auto" style=3D"color:rgb(0,0,0);letter-spacing:normal;text-alig=
n:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing=
:0px;text-decoration:none">
<div>Cheers, Andreas</div>
<div>=E2=80=94</div>
<div>Andreas Dilger</div>
<div>Lustre Principal Architect</div>
<div>Whamcloud/DDN</div>
</div>
<br>
</div>
<br>
<br>
</div>
<br>
</div>
</div>

</blockquote></div></div>

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