Hi, Can someone help me with this question? 1) Is there any limit on how many caches I can create in Ignite Grid? The reason I am asking this question is because I have a huge Ignite Grid (capacity ~3.5TB Memory) launched on Apache Yarn and I am trying to create like 3K caches with the ignite-client running locally and after 1K caches I am hitting this in the client.
*Failed to wait for initial partition map exchange. Possible reasons are: ^-- Transactions in deadlock. ^-- Long running transactions (ignore if this is the case). ^-- Unreleased explicit locks.* The only operation I am doing is creating caches In the server Logs I find this error: java.lang.ClassCastException: java.util.UUID cannot be cast to org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionMap at org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionMap.equals(GridDhtPartitionMap.java:295) at java.util.HashMap.getNode(HashMap.java:571) at java.util.HashMap.containsKey(HashMap.java:595) at org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtPartitionTopologyImpl.update(GridDhtPartitionTopologyImpl.java:1158) at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager.processFullPartitionUpdate(GridCachePartitionExchangeManager.java:1334) at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager.access$1000(GridCachePartitionExchangeManager.java:125) at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$3.onMessage(GridCachePartitionExchangeManager.java:297) at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$3.onMessage(GridCachePartitionExchangeManager.java:295) at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$MessageHandler.apply(GridCachePartitionExchangeManager.java:2243) at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$MessageHandler.apply(GridCachePartitionExchangeManager.java:2225) at org.apache.ignite.internal.processors.cache.GridCacheIoManager.processMessage(GridCacheIoManager.java:1042) at org.apache.ignite.internal.processors.cache.GridCacheIoManager.onMessage0(GridCacheIoManager.java:561) at org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:378) at org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:304) at org.apache.ignite.internal.processors.cache.GridCacheIoManager.access$100(GridCacheIoManager.java:99) at org.apache.ignite.internal.processors.cache.GridCacheIoManager$1.onMessage(GridCacheIoManager.java:293) at org.apache.ignite.internal.managers.communication.GridIoManager.invokeListener(GridIoManager.java:1556) at org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:1184) at org.apache.ignite.internal.managers.communication.GridIoManager.access$4200(GridIoManager.java:126) at org.apache.ignite.internal.managers.communication.GridIoManager$9.run(GridIoManager.java:1097) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/