Alexandr Fedotov created IGNITE-4957:
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Summary: First join query execution in client mode takes too long
when there are many caches on remote nodes
Key: IGNITE-4957
URL: https://issues.apache.org/jira/browse/IGNITE-4957
Project: Ignite
Issue Type: Improvement
Components: SQL
Affects Versions: 1.9
Reporter: Alexandr Fedotov
Fix For: 2.1
When there are many caches deployed on server nodes and a query containing
joins is executed on a client for the first time it takes much time to complete
compared to the following executions.
If caches aren't enabled locally then the first query tries to load all the
missing caches by calling
{{org.apache.ignite.internal.processors.cache.GridCacheProcessor#createMissingCaches}}
createMissingCaches internally sends a request per each registered but not
enabled cache.
Performance could be improved by performing a batch request.
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