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https://issues.apache.org/jira/browse/IMPALA-9340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Riza Suminto reassigned IMPALA-9340:
------------------------------------
Assignee: Riza Suminto
> statestore_max_missed_heartbeats is off by one
> ----------------------------------------------
>
> Key: IMPALA-9340
> URL: https://issues.apache.org/jira/browse/IMPALA-9340
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Reporter: Sahil Takiar
> Assignee: Riza Suminto
> Priority: Minor
> Labels: newbie, ramp-up
>
> The flag {{statestore_max_missed_heartbeats}} says:
> {quote}Maximum number of consecutive heartbeat messages an impalad can miss
> before being declared failed by the statestore.
> {quote}
> However, the implementation actually waits for
> {{statestore_max_missed_heartbeats}} + 1 missed heartbeats before considering
> the impalad as failed.
> Example when {{statestore_max_missed_heartbeats}} is set to 10 (the default
> value):
> {code:java}
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.214053 29932 failure-detector.cc:90] 1 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is OK
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.267143 29937 failure-detector.cc:90] 2 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is OK
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.320443 29938 failure-detector.cc:90] 3 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is OK
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.373548 29934 failure-detector.cc:90] 4 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is OK
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.426955 29929 failure-detector.cc:90] 5 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is OK
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.479981 29933 failure-detector.cc:90] 6 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is SUSPECTED
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.533097 29930 failure-detector.cc:90] 7 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is SUSPECTED
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.586172 29934 failure-detector.cc:90] 8 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is SUSPECTED
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.639999 29936 failure-detector.cc:90] 9 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is SUSPECTED
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.692075 29929 failure-detector.cc:90] 10 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is SUSPECTED
> logs/custom_cluster_tests/statestored.impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com.jenkins.log.INFO.20200128-105531.29877:I0128
> 10:58:04.745105 29931 failure-detector.cc:90] 11 consecutive heartbeats
> failed for
> 'impa...@impala-ec2-centos74-m5-4xlarge-ondemand-09f9.vpc.cloudera.com:22002'.
> State is FAILED {code}
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