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From: Denis Mekhanikov <dmekhanikov@gmail.com>
Date: Thu, 17 Aug 2017 06:43:10 +0000
Message-ID: <CAMP9FTRhQq0UoxixB+2vpsMQ_67exDmBsj+k4scWGL35qunwiQ@mail.gmail.com>
Subject: Re: Ignite2.1: Page eviction is not compatible with persistence when startup
To: dev@ignite.apache.org
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archived-at: Thu, 17 Aug 2017 06:43:28 -0000

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At least documentation should be fixed to correspond to implementation.
Currently it says that eviction policy just have no effect when persistence
is enabled: https://apacheignite.readme.io/docs/evictions

=D1=87=D1=82, 17 =D0=B0=D0=B2=D0=B3. 2017 =D0=B3. =D0=B2 8:12, Dmitriy Setr=
akyan <dsetrakyan@apache.org>:

> On Wed, Aug 16, 2017 at 3:39 PM, Denis Magda <dmagda@apache.org> wrote:
>
> > Developers,
> >
> > Let me bring this to your attention. Why do we throw an exception if th=
e
> > user has both an eviction policy and the Ignite persistence configured?
> Why
> > don=E2=80=99t we simply ignore the eviction policy printing a warning a=
nd proceed
> > with the node startup?
> >
>
> Denis, any reason one approach is better than another?
>
>
> >
> > =E2=80=94
> > Denis
> >
> > > Begin forwarded message:
> > >
> > > From: Denis Mekhanikov <dmekhanikov@gmail.com>
> > > Subject: Re: Ignite2.1: Page eviction is not compatible with
> persistence
> > when startup
> > > Date: August 16, 2017 at 1:08:26 AM PDT
> > > To: user@ignite.apache.org
> > > Reply-To: user@ignite.apache.org
> > >
> > > Looks like you configured both persistence and eviction policy. These
> > are alternative options and cannot be enabled at the same time.
> > >
> > > =D1=81=D1=80, 16 =D0=B0=D0=B2=D0=B3. 2017 =D0=B3. =D0=B2 5:48, Bob Li=
 <2789106479@qq.com <mailto:
> > 2789106479@qq.com>>:
> > > I want to setup the eviction like:
> > >
> > >     <bean class=3D"org.apache.ignite.configuration.
> > MemoryPolicyConfiguration">
> > >         <property name=3D"name" value=3D"1G_Region" />
> > >         <property name=3D"initialSize" value=3D"#{1024 * 1024 * 1024}=
" />
> > >         <property name=3D"pageEvictionMode" value=3D"RANDOM_LRU" />
> > >    </bean>
> > >
> > > but when it startups,  encountered the following:
> > >
> > > [2017-08-16 10:28:08,950][ERROR][main][IgniteKernal] Exception during
> > start
> > > processors, node will be stopped and close connections
> > > class org.apache.ignite.IgniteCheckedException: Failed to start
> > processor:
> > > GridProcessorAdapter []
> > >         at
> > > org.apache.ignite.internal.IgniteKernal.startProcessor(
> > IgniteKernal.java:1791)
> > >         at
> > > org.apache.ignite.internal.IgniteKernal.start(IgniteKernal.java:929)
> > >         at
> > > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(
> > IgnitionEx.java:1896)
> > >         at
> > > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(
> > IgnitionEx.java:1648)
> > >         at
> > > org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1076)
> > >         at
> > > org.apache.ignite.internal.IgnitionEx.startConfigurations(
> > IgnitionEx.java:994)
> > >         at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.
> > java:880)
> > >         at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.
> > java:779)
> > >         at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.
> > java:649)
> > >         at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.
> > java:618)
> > >         at org.apache.ignite.Ignition.start(Ignition.java:347)
> > >         at
> > > org.apache.ignite.startup.cmdline.CommandLineStartup.
> > main(CommandLineStartup.java:302)
> > > Caused by: class org.apache.ignite.IgniteCheckedException: Page
> > eviction is
> > > not compatible with persistence: 1G_Region
> > >         at
> > > org.apache.ignite.internal.processors.cache.persistence.
> > GridCacheDatabaseSharedManager.checkPolicyEvictionProperties(
> > GridCacheDatabaseSharedManager.java:660)
> > >         at
> > > org.apache.ignite.internal.processors.cache.persistence.
> > IgniteCacheDatabaseSharedManager.validateConfiguration(
> > IgniteCacheDatabaseSharedManager.java:336)
> > >         at
> > > org.apache.ignite.internal.processors.cache.persistence.
> > IgniteCacheDatabaseSharedManager.start0(IgniteCacheDatabaseSharedManag
> > er.java:109)
> > >         at
> > > org.apache.ignite.internal.processors.cache.persistence.
> > GridCacheDatabaseSharedManager.start0(GridCacheDatabaseSharedManager
> > .java:358)
> > >         at
> > > org.apache.ignite.internal.processors.cache.
> >
> GridCacheSharedManagerAdapter.start(GridCacheSharedManagerAdapter.java:61=
)
> > >         at
> > > org.apache.ignite.internal.processors.cache.GridCacheProcessor.start(
> > GridCacheProcessor.java:696)
> > >         at
> > > org.apache.ignite.internal.IgniteKernal.startProcessor(
> > IgniteKernal.java:1788)
> > >
> > > From the above,   it seemed those codes worked in the file
> > > 'GridCacheDatabaseSharedManager':
> > >
> > >     @Override protected void
> > > checkPolicyEvictionProperties(MemoryPolicyConfiguration plcCfg,
> > > MemoryConfiguration dbCfg)
> > >         throws IgniteCheckedException {
> > >         if (plcCfg.getPageEvictionMode() !=3D
> > DataPageEvictionMode.DISABLED)
> > >             throw new IgniteCheckedException("Page eviction is not
> > > compatible with persistence: " + plcCfg.getName());
> > >     }
> > >
> > >
> > > how to solve it? thanks.
> > >
> > >
> > >
> > > --
> > > View this message in context: http://apache-ignite-users.
> > 70518.x6.nabble.com/Ignite2-1-Page-eviction-is-not-
> > compatible-with-persistence-when-startup-tp16215.html <
> > http://apache-ignite-users.70518.x6.nabble.com/Ignite2-1-
> >
> Page-eviction-is-not-compatible-with-persistence-when-startup-tp16215.htm=
l
> > >
> > > Sent from the Apache Ignite Users mailing list archive at Nabble.com.
> >
> >
>

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