[llvm-dev] LNT Server offline

[Hal Finkel via llvm-dev]

On 06/27/2017 04:52 PM, Mike Edwards via llvm-dev wrote:
> Hi,
> So, I owe you all an apology.  I was totally unaware that the llvm.org 
> <http://llvm.org> server, running at UIUC, was still in operation and 
> hosting an active LNT instance.  I was under the assumption the LNT 
> server ran elsewhere.  As a result, the ability for the LNT bots to 
> submit run information to the "old" LNT server is now gone.  I am very 
> sorry for this oversight.
>
> In speaking with Chris Matthews this afternoon he suggested we ask all 
> of you if you would care to redirect your LNT bots to the new LNT 
> instance currently running at https://lnt.llvm.org. In the meantime, I 
> am going to work to get a dump of the "old" LNT database off of the 
> UIUC machine and see if I can make it accessible somewhere.  Chris 
> mentioned, if the historical data is of huge importance to anyone, we 
> could most likely get it surfaced publicly again, though this will 
> take some time to do.

I think it is preferable for all of our public lnt data to go to the 
same instance. The historical data seems useful, although the other 
server was configured with an old baseline that made the data hard to 
interpret.

That having been said, the server at lnt.llvm.org also shows some pretty 
bad regressions against the baseline it uses (e.g. 
http://lnt.llvm.org/db_default/v4/nts/graph?plot.0=1335.1604618.3&highlight_run=56388 
- perf of uudecode -- although it is not clear to me what would have 
caused that around that revision, and if it was some hardware/config 
change, we need to be careful about resetting the baselines to compensate).

  -Hal

>
> Again, I am very sorry for the oversight here.  I was quite focused on 
> the SVN move and I just totally missed this.
>
> Respectfully,
> Mike Edwards
>
>
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-- 
Hal Finkel
Lead, Compiler Technology and Programming Languages
Leadership Computing Facility
Argonne National Laboratory

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