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From Andrei Aleksandrov <aealexsand...@gmail.com>
Subject Re: Cache spreading to new nodes
Date Mon, 12 Aug 2019 14:59:02 GMT
Hi,

Could you share the whole reproducer with all configurations and 
required methods?

BR,
Andrei

8/12/2019 4:48 PM, Marco Bernagozzi пишет:
> I have a set of nodes, and I want to be able to set a cache in 
> specific nodes. It works, but whenever I turn on a new node the cache 
> is automatically spread to that node, which then causes errors like:
> Failed over job to a new node ( I guess that there was a computation 
> going on in a node that shouldn't have computed that, and was shut 
> down in the meantime).
>
> I don't know if I'm doing something wrong here or I'm missing something.
> As I understand it, NodeFilter and Affinity are equivalent in my case 
> (Affinity is a node filter which also creates rules on where can the 
> cache spread from a given node?). With rebalance mode set to NONE, 
> shouldn't the cache be spread on the "nodesForOptimization" nodes, 
> according to either the node filter or the affinityFunction?
>
> Here's my code:
>
> List<UUID> nodesForOptimization = fetchNodes();
>
> CacheConfiguration<String, Graph> graphCfg = new 
> CacheConfiguration<>(graphCacheName);
> graphCfg = graphCfg.setCacheMode(CacheMode.REPLICATED)
>             .setBackups(nodesForOptimization.size() - 1)
>             .setAtomicityMode(CacheAtomicityMode.ATOMIC)
>             .setRebalanceMode(CacheRebalanceMode.NONE)
>             .setStoreKeepBinary(true)
>             .setCopyOnRead(false)
>             .setOnheapCacheEnabled(false)
>             .setNodeFilter(u -> nodesForOptimization.contains(u.id 
> <http://u.id>()))
>             .setAffinity(
>                 new RendezvousAffinityFunction(
>                     1024,
>                     (c1, c2) -> nodesForOptimization.contains(c1.id 
> <http://c1.id>()) && nodesForOptimization.contains(c2.id 
> <http://c2.id>())
>                 )
>             )
> .setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);

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