Last updated on AUGUST 30, 2016
Applies to:Big Data Appliance Integrated Software - Version 4.4.0 and later
One of the Journal nodes is in bad health in Cloudera Manager. Restarting the hdfs service does not help.
The Cloudera Manager console reports:
The health test result for JOURNAL_NODE_FILE_DESCRIPTOR has become good: Open file descriptors: 219. File descriptor limit: 32,768. Percentage in use: 0.67%.
The health test result for JOURNAL_NODE_SWAP_MEMORY_USAGE has become good: 0 B of swap memory is being used by this role's process.
The health test result for JOURNAL_NODE_HOST_HEALTH has become good: The health of this role's host is good.
The health test result for JOURNAL_NODE_FSYNC_LATENCY has become unknown: Not enough data to test: Test of whether the JournalNode fsyncs are completed fast enough.
The health test result for JOURNAL_NODE_GC_DURATION has become unknown: Not enough data to test: Test of whether this role spends too much time in garbage collection.
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