Matteo Zuccon created CASSANDRA-11243:
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Summary: Memory LEAK CqlInputFormat
Key: CASSANDRA-11243
URL: https://issues.apache.org/jira/browse/CASSANDRA-11243
Project: Cassandra
Issue Type: Bug
Environment: Ubuntu 14.04.04 LTS
Hadoop 2.7
Cassandra 3.3
Reporter: Matteo Zuccon
Error: "util.ResourceLeakDetector: LEAK: You are creating too many
HashedWheelTimer instances. HashedWheelTimer is a shared resource that must be
reused across the JVM,so that only a few instances are created"
Using CqlInputFormat.Class as input format for an Hadoop Mapreduce program (on
distributed Hadoop Cluster) gives a memory leak error.
Version of the library used:
<dependency>
<groupId>org.apache.cassandra</groupId>
<artifactId>cassandra-all</artifactId>
<version>3.3</version>
</dependency>
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