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Scan Queries Occasionally Returning No Rows During High Load (Doc ID 2555714.1)

Last updated on FEBRUARY 26, 2020

Applies to:

MySQL Cluster - Version 7.3 and later
Information in this document applies to any platform.

Symptoms

During a period of high load when there are more than MaxNoOfConcurrentScans queries doing scans in parallel, a query may returning zero rows even though it should be including some rows. The issue is most likely to occur the more different tables there are scans on at the same time.

It is likely that you will encounter some error 245 around the same time as you experience this issue:

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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