Wow.... If it happened to Denis, it will happen to many other users as well. With the exception error message saying "Null", I doubt any user would figure out what to do.
Can we fix the error message? D. On Mon, Apr 17, 2017 at 6:03 AM, Sergey Chugunov <sergey.chugu...@gmail.com> wrote: > Denis, > > I found an issue with the example: each cache introduces some memory > overhead (mostly for cache partitions data structures) and it must be > counted in MemoryPolicy size. > > To fix the example just increase size of *10MB_Region_Eviction *to 15 MB > and *5MB_Region_Swapping *to 10 MB. > > I didn't find any documentation on this, but I think it is part of new > PageMemory-based storage so it needs to be documented as part of ignite-2.0 > release. > > Thanks, > Sergey. > > > > On Mon, Apr 17, 2017 at 2:50 PM, Sergey Chugunov < > sergey.chugu...@gmail.com> > wrote: > > > Denis, > > > > It looks like partition exchange mechanism allocates a lot of pages right > > after the cache is started. > > I'm trying to figure out what's going on. > > > > Thanks, > > Sergey. > > > > On Mon, Apr 17, 2017 at 12:05 AM, Denis Magda <dma...@apache.org> wrote: > > > >> Igniters, > >> > >> I’ve created a simple example to demonstrate how to set up various > >> policies: > >> https://github.com/apache/ignite/blob/master/examples/src/ > >> main/java/org/apache/ignite/examples/datagrid/MemoryPolicies > Example.java > >> > >> However, this tiny example fails with > >> > >> Caused by: class org.apache.ignite.internal.mem.OutOfMemoryException: > >> null > >> at org.apache.ignite.internal.pagemem.impl.PageMemoryNoStoreImp > >> l.allocatePage(PageMemoryNoStoreImpl.java:255) > >> at org.apache.ignite.internal.processors.cache.IgniteCacheOffhe > >> apManagerImpl.allocateForTree(IgniteCacheOffheapManagerImpl.java:635) > >> at org.apache.ignite.internal.processors.cache.IgniteCacheOffhe > >> apManagerImpl.createCacheDataStore0(IgniteCacheOffheapManage > >> rImpl.java:727) > >> at org.apache.ignite.internal.processors.cache.IgniteCacheOffhe > >> apManagerImpl.createCacheDataStore(IgniteCacheOffheapManager > >> Impl.java:711) > >> at org.apache.ignite.internal.processors.cache.distributed.dht. > >> GridDhtLocalPartition.<init>(GridDhtLocalPartition.java:162) > >> at org.apache.ignite.internal.processors.cache.distributed.dht. > >> GridDhtPartitionTopologyImpl.createPartition(GridDhtPartitio > >> nTopologyImpl.java:718) > >> at org.apache.ignite.internal.processors.cache.distributed.dht. > >> GridDhtPartitionTopologyImpl.initPartitions0(GridDhtPartitio > >> nTopologyImpl.java:405) > >> at org.apache.ignite.internal.processors.cache.distributed.dht. > >> GridDhtPartitionTopologyImpl.beforeExchange(GridDhtPartition > >> TopologyImpl.java:569) > >> at org.apache.ignite.internal.processors.cache.distributed.dht. > >> preloader.GridDhtPartitionsExchangeFuture. > distributedExchange(GridDhtPar > >> titionsExchangeFuture.java:844) > >> at org.apache.ignite.internal.processors.cache.distributed.dht. > >> preloader.GridDhtPartitionsExchangeFuture.init(GridDhtPartit > >> ionsExchangeFuture.java:573) > >> at org.apache.ignite.internal.processors.cache.GridCachePartiti > >> onExchangeManager$ExchangeWorker.body(GridCacheP > >> artitionExchangeManager.java:1800) > >> ... 2 more > >> > >> > >> > >> What I’m doing wrong? Alex G., could you take a look? Probably I’m > >> missing something due to a lack of documentation. > >> > >> — > >> Denis > >> > >> > > >
