mesos-reviews mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Benjamin Mahler <bmah...@apache.org>
Subject Re: Review Request 71595: Added quota config validation for large numbers.
Date Wed, 09 Oct 2019 17:51:30 GMT


> On Oct. 9, 2019, 1:18 p.m., Andrei Sekretenko wrote:
> > src/master/quota.cpp
> > Lines 235 (patched)
> > <https://reviews.apache.org/r/71595/diff/1/?file=2168783#file2168783line235>
> >
> >     Not entirely sure that we can. I've looked into the bunch of bugs/problems that
were fixed/silenced by using the "fixed-point" arithmetic... 
> >     
> >     Given that our "fixed point" has only 53 significant bits (as it is built on
top of `double`), those things might start to break again at around 8 exabytes.

Where did you get 8 exabytes from?

9,223,372,036,854,774 megabytes is 9223 exabytes?


- Benjamin


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/71595/#review218155
-----------------------------------------------------------


On Oct. 9, 2019, 4:43 a.m., Benjamin Mahler wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/71595/
> -----------------------------------------------------------
> 
> (Updated Oct. 9, 2019, 4:43 a.m.)
> 
> 
> Review request for mesos, Andrei Sekretenko and Meng Zhu.
> 
> 
> Bugs: MESOS-10008
>     https://issues.apache.org/jira/browse/MESOS-10008
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Per MESOS-10008, large scalar values overflow and can crash
> the master. This patch imposes maximums for guarantees and limits
> well below the overflow point, to prevent this from happening.
> 
> 
> Diffs
> -----
> 
>   src/master/quota.cpp 4ecd3269ac092b187082675e723cb18e40cea573 
> 
> 
> Diff: https://reviews.apache.org/r/71595/diff/1/
> 
> 
> Testing
> -------
> 
> Test added in subsequent patch.
> 
> 
> Thanks,
> 
> Benjamin Mahler
> 
>


Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message