Sumit Mohanty created AMBARI-17443:
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Summary: Allow commands to specify if they should be auto-retried
upon failure
Key: AMBARI-17443
URL: https://issues.apache.org/jira/browse/AMBARI-17443
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.4.0
Reporter: Sumit Mohanty
Assignee: Sumit Mohanty
Priority: Critical
Fix For: 2.4.0
During cluster creation using a blueprint, the initial INSTALL and START
commands are automatically retried by the agent upon failure. This support was
added to allow immediate scheduling of commands (as soon as hosts join the
cluster) rather than waiting for all hosts to join.
The feature itself is straight forward - if any command failed then agent will
automatically retry them for a configurable duration.
Auto retry itself is useful for other commands where user may want some retries
before giving up - e.g. Restart commands. Rather than failing immediately
agents can try a few more times. Its particularly useful if the start of a
service depends on another service which is also being restarted.
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