Re: [PATCH] ci: Tune config

[Jan Kiszka <jan.kiszka@siemens.com>]

On 10.04.19 10:42, Roman Stratiienko wrote:
> I did measurements after clearing cache 'ccache -C'
> 
> I assume that 600mb in current statistic is due to multiple build of different 
> source dependencies due to enabled DEBUG INFO config. Old cache should be 
> invalidated and cleaned automatically as size goes up to the limit.
> 

Indeed, things piled up.

We can keep the lower limit for now and see how this evolve.

Jan

> 
> ср, 10 апр. 2019 г., 08:34 Jan Kiszka <jan.kiszka@siemens.com 
> <mailto:jan.kiszka@siemens.com>>:
> 
>     On 09.04.19 22:47, Roman Stratiienko wrote:
>      >
>      > I have similar issue some time ago on another project, but due to lack of
>     time
>      > and low priority it was unsolved.
>      > And you've found the root cause and it is great, thanks!.
> 
>     At least it looks like as the rebuild no only takes 15 minutes.
> 
>      >
>      > I did some measurements of ccache size, and results is following:
>      > - 4.14 arm64 - cache size - 232.7 MB
>      > - 4.19 arm - cache size - 246.4 MB
>      > - Others are even less.
>      >
>      > So I suggest to left it 400MB, thus not to use too much disk space of
>     travis's
>      > servers.
> 
>     Look at the statistics you added to our build:
> 
>     4.14 arm64: 601.6 MB
>     4.19 arm:   557.7 MB
>     4.14 x86:   292.5 MB
> 
>     If you cap the size, ccache may drop artifacts during the build, then refill,
>     but may stay below the limit at the end. Still, the cache will be incomplete.
> 
>     Jan
> 
>     -- 
>     Siemens AG, Corporate Technology, CT RDA IOT SES-DE
>     Corporate Competence Center Embedded Linux
> 

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