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Date: Fri, 28 Feb 2014 01:13:21 +0000 (UTC)
From: "Kevin Sweeney (JIRA)" <jira@apache.org>
To: issues@aurora.incubator.apache.org
Message-ID: <JIRA.12696436.1392944321686.121897.1393550001555@arcas>
In-Reply-To: <JIRA.12696436.1392944321686@arcas>
References: <JIRA.12696436.1392944321686@arcas>
Subject: [jira] [Assigned] (AURORA-224) Make health checking more
 configurable in updater
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     [ https://issues.apache.org/jira/browse/AURORA-224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kevin Sweeney reassigned AURORA-224:
------------------------------------

    Assignee: Kevin Sweeney

> Make health checking more configurable in updater
> -------------------------------------------------
>
>                 Key: AURORA-224
>                 URL: https://issues.apache.org/jira/browse/AURORA-224
>             Project: Aurora
>          Issue Type: Story
>          Components: Client
>            Reporter: Kevin Sweeney
>            Assignee: Kevin Sweeney
>
> Right now the updater considers an instance that passed its health check once but later fails as unconditionally failed [1] and restarts it. During startup a service could conceivably respond affirmatively to /health and then later timeout its requests. Consider making the behavior of the HTTP health checker more configurable during updates.
> [1] https://github.com/apache/incubator-aurora/blob/master/src/main/python/apache/aurora/client/api/instance_watcher.py#L91
> {code}
>     def maybe_set_instance_unhealthy(instance_id, retriable):
>       # An instance that was previously healthy and currently unhealthy has failed.
>       if instance_id in instance_states:
>         log.info('Instance %s is unhealthy' % instance_id)
>         instance_states[instance_id].set_healthy(False)
>       # If the restart threshold has expired or if the instance cannot be retried it is unhealthy.
>       elif now > expected_healthy_by or not retriable:
>         log.info('Instance %s was not reported healthy within %d seconds' % (
>           instance_id, self._restart_threshold))
>         instance_states[instance_id] = Instance(finished=True)
> {code}


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