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https://issues.apache.org/jira/browse/SOLR-5823?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hoss Man updated SOLR-5823:
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Attachment: SOLR-5823.patch
Updated patch - removes the "name" method Tim had added, and switches the
"ZkController.isOverseer()" method to be based on new "isAlive()" method i
added to Overseer.java. (set to true in start(), false in close())
I beefed up Tim's test changes (noticing SOLR-5832 in the process, but that
doesn't seem to be related to this patch) to spin up a second node "alt" and
verify that "alt" doesn't also think it's the overseer -- so far so good.
However when i tried to use the "ZkController.forceOverSeer()" method in the
test code to trigger a overseer change and verify that the booleans changed, he
test fails -- both nodes think they are the overseer.
I'm a little out of my depth here, but from what i can tell looking at how the
overseer election is setup, i think forceOverSeer() may be fundamentally broken?
Would appreciate another set of eyes to help me sanity check this.
> Add utility function for internal code to know if it is currently the overseer
> ------------------------------------------------------------------------------
>
> Key: SOLR-5823
> URL: https://issues.apache.org/jira/browse/SOLR-5823
> Project: Solr
> Issue Type: Improvement
> Reporter: Hoss Man
> Attachments: SOLR-5823.patch, SOLR-5823.patch
>
>
> It would be useful if there was some Overseer equivalent to
> CloudDescriptor.isLeader() that plugins running in solr could use to know "At
> this moment, am i the leader?"
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