[pkg-go] Bug#852959: Bug#852959: prometheus FTBFS on armhf: github.com/prometheus/prometheus/storage/local fails

2017-01-31 Thread Martín Ferrari
On 31/01/17 13:01, Julien Cristau wrote:
> On 01/28/2017 08:24 PM, Martín Ferrari wrote:
>> On 28/01/17 16:10, Adrian Bunk wrote:
>>
>>> AFAIK the buildds are building one package at a time,
>>
>> Uhm, don't know about that, but I many times I have experienced test
>> failures which are somehow timing-related on some buildds, failures I
>> can only reproduce with very high CPU contention.
>>
> Did you set DEB_BUILD_OPTIONS in your attempts on abel?  You can see the
> parallel settings used on buildds in the logs.

In the end, I started getting the failures on abel too, so there was no
need for that.


-- 
Martín Ferrari (Tincho)

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[pkg-go] Bug#852959: Bug#852959: prometheus FTBFS on armhf: github.com/prometheus/prometheus/storage/local fails

2017-01-31 Thread Julien Cristau
On 01/28/2017 08:24 PM, Martín Ferrari wrote:
> On 28/01/17 16:10, Adrian Bunk wrote:
> 
>> AFAIK the buildds are building one package at a time,
> 
> Uhm, don't know about that, but I many times I have experienced test
> failures which are somehow timing-related on some buildds, failures I
> can only reproduce with very high CPU contention.
> 
Did you set DEB_BUILD_OPTIONS in your attempts on abel?  You can see the
parallel settings used on buildds in the logs.

Cheers,
Julien

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[pkg-go] Bug#852959: Bug#852959: prometheus FTBFS on armhf: github.com/prometheus/prometheus/storage/local fails

2017-01-28 Thread Martín Ferrari
On 28/01/17 16:24, Martín Ferrari wrote:
>> and the machines where prometheus failed have 4 GB RAM.
>
> abel too...

Now it fails on abel too.. I guess it was always too close to the limit,
and anything else running killed it.

>> "2680815616 in use", that is 2.6 GB.
>>
>> You have only 3 GB address space in userspace,
>> and I'd guess that is the limit you hit.
>
> possibly.
>
>> Is this test expected to use huge amounts of memory?
>
> I will re-run the tests with /usr/bin/time on abel and see how much
> memory do they take.

Time says the maximum resident size was 2184076 KB, it is a bit less on
amd64 (with tests passing).


Now I don't know what to do.. If I upload a fix (disabling the test), it
will be too late for Stretch.

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Martín Ferrari (Tincho)

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[pkg-go] Bug#852959: Bug#852959: prometheus FTBFS on armhf: github.com/prometheus/prometheus/storage/local fails

2017-01-28 Thread Martín Ferrari
On 28/01/17 16:10, Adrian Bunk wrote:

> AFAIK the buildds are building one package at a time,

Uhm, don't know about that, but I many times I have experienced test
failures which are somehow timing-related on some buildds, failures I
can only reproduce with very high CPU contention.

> and the machines where prometheus failed have 4 GB RAM.

abel too...

> "2680815616 in use", that is 2.6 GB.
> 
> You have only 3 GB address space in userspace,
> and I'd guess that is the limit you hit.

possibly.

> Is this test expected to use huge amounts of memory?

I will re-run the tests with /usr/bin/time on abel and see how much
memory do they take.


-- 
Martín Ferrari (Tincho)

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[pkg-go] Bug#852959: Bug#852959: prometheus FTBFS on armhf: github.com/prometheus/prometheus/storage/local fails

2017-01-28 Thread Adrian Bunk
On Sat, Jan 28, 2017 at 03:59:45PM -0300, Martín Ferrari wrote:
> On 28/01/17 11:58, Adrian Bunk wrote:
> > Source: prometheus
> > Version: 1.5.0+ds-1
> > Severity: serious
> > 
> > https://buildd.debian.org/status/fetch.php?pkg=prometheus=armhf=1.5.0%2Bds-1=1485604675=0
> 
> As it can be seen in the log:
> 
> runtime: out of memory: cannot allocate 4194304-byte block (2680815616
> in use)
> fatal error: out of memory
> 
> Yesterday I'd asked for a give back, since in the previous attempt the
> tests timed out. I can't reproduce this on the abel porterbox, and it
> seems to me like a problem of a very busy buildd more than any bug in
> the package.

AFAIK the buildds are building one package at a time,
and the machines where prometheus failed have 4 GB RAM.

"2680815616 in use", that is 2.6 GB.

You have only 3 GB address space in userspace,
and I'd guess that is the limit you hit.

Is this test expected to use huge amounts of memory?

cu
Adrian

-- 

   "Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
   "Only a promise," Lao Er said.
   Pearl S. Buck - Dragon Seed

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[pkg-go] Bug#852959: Bug#852959: prometheus FTBFS on armhf: github.com/prometheus/prometheus/storage/local fails

2017-01-28 Thread Martín Ferrari
On 28/01/17 11:58, Adrian Bunk wrote:
> Source: prometheus
> Version: 1.5.0+ds-1
> Severity: serious
> 
> https://buildd.debian.org/status/fetch.php?pkg=prometheus=armhf=1.5.0%2Bds-1=1485604675=0

As it can be seen in the log:

runtime: out of memory: cannot allocate 4194304-byte block (2680815616
in use)
fatal error: out of memory

Yesterday I'd asked for a give back, since in the previous attempt the
tests timed out. I can't reproduce this on the abel porterbox, and it
seems to me like a problem of a very busy buildd more than any bug in
the package.


-- 
Martín Ferrari (Tincho)

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