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From Johannes Lichtenberger <johannes.lichtenber...@unitedplanet.com>
Subject Ignite Partitioned Cache / Use for an in-memory transaction-log
Date Tue, 06 Aug 2019 12:46:55 GMT

can I somehow query on which cluster-nodes a partitioned cache stores 
values for specific keys? I might want to use a cache for replicating an 
in-memory transaction log (which does not have to be persisted) to 
replicate a document of a NoSQL document store to a few nodes.

Thus, instead of a local cache I'd simply write into an ignite cache and 
then would like to query which cluster-nodes have stored a specific key 
(for instance the document name). So for instance I could tell a load 
balancer for reads to read documents from one of the backup replicas.

During a transaction commit I would also need this information to know 
where to send an event to... to commit the transaction. And somehow I'd 
love to wait for a quorum of nodes if the transaction really has 
committed or it needs to roll back.

kind regards


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