Not quite. Actual the following operations sequence lead to this behavior:
1. put entries
2. remove all entries
3. put entries
On Wed, Nov 11, 2015 at 2:59 PM, Sergey Kozlov <skoz...@gridgain.com> wrote:
> It seems this behavior caused removeAll on empty cache executed before
> puts.
>
> On Wed, Nov 11, 2015 at 1:16 PM, Sergey Kozlov <skoz...@gridgain.com>
> wrote:
>
> > Hi
> >
> > I've tested some cache configurations with eviction policy and found a
> bit
> > strange behavior.
> >
> > For instance the cache configuration is following and I want to have only
> > 50 recent entries in cache (swap is disabled):
> >
> > <bean class="org.apache.ignite.configuration.CacheConfiguration">
> > <property name="name"
> > value="cache_0001-ATOMIC-B2-PART-FIFO-OFF_VAL-OFFMAX_1024Lx1024L"/>
> > <property name="atomicityMode" value="ATOMIC"/>
> > <property name="backups" value="2"/>
> > <property name="cacheMode" value="PARTITIONED"/>
> > <property name="evictionPolicy">
> > <bean
> > class="org.apache.ignite.cache.eviction.fifo.FifoEvictionPolicy">
> > <property name="maxSize" value="50"/>
> > </bean>
> > </property>
> > <property name="memoryMode" value="OFFHEAP_VALUES"/>
> > <property name="offHeapMaxMemory" value="#{1024L*1024L}"/>
> > </bean>
> >
> > 1. I start 2 data nodes and a client node.
> > 2. The client makes 60 puts (Int, String)
> > 3. The client makes 60 gets for keys from the previous step and got only
> > 40 entries. 20 first entries have been evicted.
> >
> >
> > I repeated the scenario above for various cache configurations (changing
> > options: writeSynchronizedMode, atomicityMode, rebalanceMode, cacheMode)
> > and found that the issue occurs only for atomic caches with
> > writeSynchronizedMode=ASYNC|PRIMARY_SYNC
> > Eviction for TX caches and for ATOMIC with
> writeSynchronizedMode=FULL_SYNC
> > works fine (always evicted 10 entries)
> >
> > Could someone take a look and explain such behavior?
> >
> > --
> > Sergey Kozlov
> >
> >
>
>
> --
> Sergey Kozlov
>
--
Andrey Gura
GridGain Systems, Inc.
www.gridgain.com
