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Status Submitted
Categories Product Deprecated (Will Not Appear on Portal)
Created by Guest
Created on May 4, 2021

RELATED FEEDBACK

Implement error handling in MongoBI Connector

Right now, if the `$sample` query (used to create the DRDL schema) fails, it'll re-run the query once again, forever. The only place when the error is accessible is in the "Profiler" tab of a given node. In our case - and I believe it's common - that it was a secondary node, which "Profiler" is far less accessible than the one for the primary node. We learned it the hard way, as our cluster was silently maxing out one CPU core for over a week. After a lot of debugging, it turned out that one of our views has had a problem (`$arrayToObject` received a `null` key).