Taras Ledkov created IGNITE-13183:
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Summary: 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
Fix For: 2.9
*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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