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Receiving IMPALA_ASSIGNMENT_LOCALITY Alerts While Running the Load Balancer (Doc ID 2151101.1)

Last updated on JULY 21, 2016

Applies to:

Big Data Appliance Integrated Software - Version 2.5.0 and later
Linux x86-64

Symptoms

Cloudera Manager IMPALA_ASSIGNMENT_LOCALITY alerts are received while running the load balancer:

The health test result for IMPALA_ASSIGNMENT_LOCALITY has become concerning:
80.00% of assignments operating on local data over the past 15 minute(s). 16 local
assignments. 20 total assignments. Warning threshhold: 80.00%

 

Changes

The cluster was recently expanded.  Impala was not added to the new nodes of the cluster.

Cause

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