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Posted to dev@kafka.apache.org by "Amit Daga (JIRA)" <ji...@apache.org> on 2017/05/05 15:35:04 UTC
[jira] [Work started] (KAFKA-4996) Fix findbugs multithreaded
correctness warnings for streams
[ https://issues.apache.org/jira/browse/KAFKA-4996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on KAFKA-4996 started by Amit Daga.
----------------------------------------
> Fix findbugs multithreaded correctness warnings for streams
> -----------------------------------------------------------
>
> Key: KAFKA-4996
> URL: https://issues.apache.org/jira/browse/KAFKA-4996
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Reporter: Colin P. McCabe
> Assignee: Amit Daga
> Labels: newbie
>
> Fix findbugs multithreaded correctness warnings for streams
> {code}
> Multithreaded correctness Warnings
>
> Code Warning
> AT Sequence of calls to java.util.concurrent.ConcurrentHashMap may not be atomic in org.apache.kafka.streams.state.internals.Segments.getOrCreateSegment(long, ProcessorContext)
> IS Inconsistent synchronization of org.apache.kafka.streams.KafkaStreams.stateListener; locked 66% of time
> IS Inconsistent synchronization of org.apache.kafka.streams.processor.internals.StreamThread.stateListener; locked 66% of time
> IS Inconsistent synchronization of org.apache.kafka.streams.processor.TopologyBuilder.applicationId; locked 50% of time
> IS Inconsistent synchronization of org.apache.kafka.streams.state.internals.CachingKeyValueStore.context; locked 66% of time
> IS Inconsistent synchronization of org.apache.kafka.streams.state.internals.CachingWindowStore.cache; locked 60% of time
> IS Inconsistent synchronization of org.apache.kafka.streams.state.internals.CachingWindowStore.context; locked 66% of time
> IS Inconsistent synchronization of org.apache.kafka.streams.state.internals.CachingWindowStore.name; locked 60% of time
> IS Inconsistent synchronization of org.apache.kafka.streams.state.internals.CachingWindowStore.serdes; locked 70% of time
> IS Inconsistent synchronization of org.apache.kafka.streams.state.internals.RocksDBStore.db; locked 63% of time
> IS Inconsistent synchronization of org.apache.kafka.streams.state.internals.RocksDBStore.serdes; locked 76% of time
> {code}
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