David Mao created KAFKA-15192:
---------------------------------
Summary: Network thread receives exception when updating request
metrics
Key: KAFKA-15192
URL: https://issues.apache.org/jira/browse/KAFKA-15192
Project: Kafka
Issue Type: Bug
Components: metrics
Reporter: David Mao
We noticed an exception being thrown from the network threads when updating
some of the request histograms. Example stack trace:
java.util.NoSuchElementException
at
java.util.concurrent.ConcurrentSkipListMap.firstKey(ConcurrentSkipListMap.java:2064)
at
com.yammer.metrics.stats.ExponentiallyDecayingSample.update(ExponentiallyDecayingSample.java:102)
at
com.yammer.metrics.stats.ExponentiallyDecayingSample.update(ExponentiallyDecayingSample.java:81)
at com.yammer.metrics.core.Histogram.update(Histogram.java:110)
Searching the error I found a similar ticket resolved in Cassandra by updating
their dropwizard dependency to pull in
[https://github.com/dropwizard/metrics/pull/1436].
https://issues.apache.org/jira/browse/CASSANDRA-15472
Kafka currently still uses yammer metrics, so we would need to take
[https://cwiki.apache.org/confluence/display/KAFKA/KIP-510%3A+Metrics+library+upgrade]
forward to upgrade to a dropwizard version that fixes this issue.
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