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https://issues.apache.org/jira/browse/IGNITE-13183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17172964#comment-17172964
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Taras Ledkov commented on IGNITE-13183:
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[~korlov], [~amashenkov] please review the patch.
> Query timeout redesign
> ----------------------
>
> Key: IGNITE-13183
> URL: https://issues.apache.org/jira/browse/IGNITE-13183
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Affects Versions: 2.8.1
> Reporter: Taras Ledkov
> Assignee: Taras Ledkov
> Priority: Major
> Fix For: 2.10
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> *Motivation:*
> Now the query timeout is set up for each node separately by the node
> configuration. This property isn't propagated for the all nodes of cluster.
> Also user cannot change / disable query timeout without restart all nodes of
> the cluster.
> *Proposal fix:*
> - Adds the default query timeout property to the
> {{DistributedSqlConfiguration}}. Use distributed metastore to store and
> manage the property.
> - Deprecates the {{SqlConfiguration#defaultQueryTimeout}} property and use it
> to set up initial value of new property
> {{DistributedSqlConfiguration#defaultQueryTimeout}}
> - Adds info about explicit query timeout to {{GridH2QueryRequest}} (boolean
> flag {{explicitTimeout=false}} by default). This is necessary so that the
> default timeout may be used for queries from old nodes.
> - When query timeout is set to zero by old node ({{explicitTimeout=false}})
> we assume this is the default value and use default timeout for this queries.
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