Sandor Molnar created KNOX-2701:
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Summary: Knox topology for Impala includes non-coordinator hosts
Key: KNOX-2701
URL: https://issues.apache.org/jira/browse/KNOX-2701
Project: Apache Knox
Issue Type: Bug
Components: Server
Affects Versions: 1.6.0
Reporter: Sandor Molnar
Fix For: 2.0.0
Currently, all impala daemons are included in the Knox topology when only
Impala _coordinator_ daemons should be included. Impala daemons can be of 3
types:
* COORDINATOR_ONLY
* EXECUTOR_ONLY
* NO_SPECIALIZATION (acts as both coordinator and executor)
The type of a given _impalad_ is specified by the CM config
"{{{}impalad_specialization{}}}". Only impala daemons with type
{{COORDINATOR_ONLY}} or {{NO_SPECIALIZATION}} should be included in the Knox
topology when discovering a CM cluster.
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