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https://issues.apache.org/jira/browse/CALCITE-3458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16963441#comment-16963441
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Haisheng Yuan commented on CALCITE-3458:
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Correct, toString() and getDescription() are only called when trace is enabled.
So no need for benchmark.
> Remove desc in AbstractRelNode
> ------------------------------
>
> Key: CALCITE-3458
> URL: https://issues.apache.org/jira/browse/CALCITE-3458
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Haisheng Yuan
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> If the query is super large, e.g. contains tens of thousands of nodes or
> expressions, the RelNode digest and desc become very large. The content of
> desc and digest are almost the same, except that desc consists of id plus
> digest, which causes OOM in our production system. So remove desc, just use
> {{id + digest}} to produce description.
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