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https://issues.apache.org/jira/browse/CASSANDRA-6260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13808436#comment-13808436
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Jonathan Ellis commented on CASSANDRA-6260:
-------------------------------------------
Since the problem is reading the key cache, deleting it is an easy workaround.
> Cassandra 2.0.1 OutOfMemoryError: Requested array size exceeds VM limit
> ------------------------------------------------------------------------
>
> Key: CASSANDRA-6260
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6260
> Project: Cassandra
> Issue Type: Bug
> Environment: Cassandra server 2.0.1
> Reporter: Prateek
> Assignee: Mikhail Stepura
> Priority: Minor
> Fix For: 2.0.3
>
>
> I am running cassandra 2.0.1 server with cascading client
> https://github.com/ifesdjeen/cascading-cassandra/ (v 1.0.0-rc6). I am running
> a problem on restarting one of the nodes in the cassandra cluster. All other
> nodes in the cluster started properly without any issues. I had originally
> assigned 8G of RAM to heap space. I tried starting the node with 12G of RAM
> but it still fails with the following error. This is currently blocking a
> production release so appreciate your quick response.
> [(bloomreach-ami) ubuntu@ip-10-179-26-169 :/mnt/cassandra_latest]# ERROR
> 20:55:58,738 Exception encountered during startup
> java.lang.OutOfMemoryError: Requested array size exceeds VM limit
> at
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:394)
> at
> org.apache.cassandra.utils.ByteBufferUtil.readWithLength(ByteBufferUtil.java:355)
> at
> org.apache.cassandra.service.CacheService$KeyCacheSerializer.deserialize(CacheService.java:352)
> at
> org.apache.cassandra.cache.AutoSavingCache.loadSaved(AutoSavingCache.java:119)
> at
> org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:267)
> at
> org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:411)
> at
> org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:383)
> at org.apache.cassandra.db.Keyspace.initCf(Keyspace.java:314)
> at org.apache.cassandra.db.Keyspace.<init>(Keyspace.java:268)
> at org.apache.cassandra.db.Keyspace.open(Keyspace.java:110)
> at org.apache.cassandra.db.Keyspace.open(Keyspace.java:88)
> at
> org.apache.cassandra.db.SystemKeyspace.checkHealth(SystemKeyspace.java:474)
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:226)
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:442)
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:485)
> INFO 20:55:58,739 Initializing system.schema_triggers
> java.lang.OutOfMemoryError: Requested array size exceeds VM limit
> at
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:394)
> at
> org.apache.cassandra.utils.ByteBufferUtil.readWithLength(ByteBufferUtil.java:355)
> at
> org.apache.cassandra.service.CacheService$KeyCacheSerializer.deserialize(CacheService.java:352)
> at
> org.apache.cassandra.cache.AutoSavingCache.loadSaved(AutoSavingCache.java:119)
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