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Posted to dev@lucene.apache.org by "Varun Thacker (JIRA)" <ji...@apache.org> on 2018/03/08 07:43:00 UTC

[jira] [Created] (SOLR-12067) AutoAddReplicas default 30 second wait time is too low

Varun Thacker created SOLR-12067:
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             Summary: AutoAddReplicas default 30 second wait time is too low
                 Key: SOLR-12067
                 URL: https://issues.apache.org/jira/browse/SOLR-12067
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Varun Thacker


If I create a collection with autoAddReplicas=true in Solr 7.x a AutoAddReplicasPlanAction get's created with a waitFor=30 seconds

The default should be increased as a JVM which is down for more than 30seconds can cause the framework to add a new replica on another node

With HDFS this was a cheap operation as it only involved create a core and pointing it to the same index directory. 

But for non shared file systems, this is a very expensive operation and can potentially move large indexes around so maybe we should have a higher default



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