THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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When handling a DescribeLogDirs request, ReplicaManager will retrieve the totalSpace and usableSpace from each logdir. In case these sizes are larger than Long.MAX_VALUE, (see https://bugs.openjdk.java.net/browse/JDK-8162520), brokers will return Long.MAX_VALUE.
Compatibility, Deprecation, and Migration Plan
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