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Posted to issues@ambari.apache.org by "Sumit Mohanty (JIRA)" <ji...@apache.org> on 2016/06/26 15:27:33 UTC
[jira] [Created] (AMBARI-17443) Allow commands to specify if they
should be auto-retried upon failure
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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