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From "Bram Van Dam (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-13136) Queries fail during shard creation [testcase included]
Date Thu, 17 Jan 2019 13:09:00 GMT

     [ https://issues.apache.org/jira/browse/SOLR-13136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bram Van Dam updated SOLR-13136:
--------------------------------
    Issue Type: Bug  (was: Improvement)

> Queries fail during shard creation [testcase included]
> ------------------------------------------------------
>
>                 Key: SOLR-13136
>                 URL: https://issues.apache.org/jira/browse/SOLR-13136
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrCloud
>    Affects Versions: 7.6
>            Reporter: Bram Van Dam
>            Priority: Major
>         Attachments: TestSearchDuringShardCreation.java
>
>
> Shard creation takes a certain amount of time. Queries launched between the start of
shard creation and the full "upness" of the shard will fail: "Error from server at foo: no
servers hosting shard: bar".
> Ideally, shards should not be used in queries before their creation is fully completed.
A new shard is empty anyway, so its upness couldn't even influence the query results in any
way.
> I'm attaching a testcase which reproduces the problem. Tested on two machines, but your
mileage may vary assuming this is a concurrency issue.



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