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Posted to hdfs-dev@hadoop.apache.org by "Doroszlai, Attila (JIRA)" <ji...@apache.org> on 2019/07/29 10:00:04 UTC
[jira] [Created] (HDDS-1870) ConcurrentModification at
PrometheusMetricsSink
Doroszlai, Attila created HDDS-1870:
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Summary: ConcurrentModification at PrometheusMetricsSink
Key: HDDS-1870
URL: https://issues.apache.org/jira/browse/HDDS-1870
Project: Hadoop Distributed Data Store
Issue Type: Bug
Reporter: Doroszlai, Attila
Assignee: Doroszlai, Attila
Encountered on {{ozoneperf}} compose env when running low on CPU:
{code}
om_1 | java.util.ConcurrentModificationException
om_1 | at java.base/java.util.HashMap$HashIterator.nextNode(HashMap.java:1493)
om_1 | at java.base/java.util.HashMap$ValueIterator.next(HashMap.java:1521)
om_1 | at org.apache.hadoop.hdds.server.PrometheusMetricsSink.writeMetrics(PrometheusMetricsSink.java:123)
om_1 | at org.apache.hadoop.hdds.server.PrometheusServlet.doGet(PrometheusServlet.java:43)
{code}
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