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From Eduard Shangareev <eshangar...@gridgain.com>
Subject Re: Splitting cache and basic TC configuration on pure in-memory and persistent one
Date Fri, 27 Jul 2018 12:46:12 GMT
Vladimir,

I am talking only about Run Cache and Basic.
I don't see any objection why we couldn't do so.
Even with extra SSD, it could be worth to split configuration to have
control over their impact on the disk system.


On Fri, Jul 27, 2018 at 3:28 PM, Vladimir Ozerov <vozerov@gridgain.com>
wrote:

> Ed,
>
> We already discussed this some time ago. AFAIK SSD disks do not have this
> problem, so all we need is to replace HDD with SSD.
>
> On Fri, Jul 27, 2018 at 3:26 PM Eduard Shangareev <
> eduard.shangareev@gmail.com> wrote:
>
> > Igniters,
> >
> > I am working on the stability of our TC test runs.
> >
> > Some of our execution timeouts (hangings, unexpected stops) happen
> because
> > of issues in source code: test itself, test runners, configurations, bug,
> > Linux OOM killer and so on.
> >
> > We could fix them by changing code.
> >
> > But almost all of the last issues with timeouts have happened because
> many
> > tests ran disk-intensive operations on one machine.
> >
> > Examples:
> >
> >
> > https://ci.ignite.apache.org/viewLog.html?buildId=1543562&
> tab=buildResultsDiv&buildTypeId=IgniteTests24Java8_ZooKeeperDiscovery2
> >
> > https://ci.ignite.apache.org/viewLog.html?buildId=1543518&
> tab=buildResultsDiv&buildTypeId=IgniteTests24Java8_Basic1
> >
> > and so on.
> >
> > To fix this problem I propose to extract from "Run Basic" and "Run Cache"
> > new
> > dedicated ones for persistent tests TC configurations.
> >
> > Also, I would add some checking to not allow add new tests with
> persistent
> > to other TC configurations in future.
> >
> > It would allow us to run almost all TC configuration on any agent while
> > configurations with persistent would have agent rules to not get a
> timeout.
> >
> > Thoughts?
> >
>



-- 
Best regards,
Eduard.

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