Sahil Takiar created IMPALA-9340:
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Summary: Statestore 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
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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