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Hi Jon,
thanks a bunch for attending to this. While I am with you on the ‘Sometimes‘ bit, I am still debating this part of the question: ‘ The development team has completed their coding and deployed the new application in AWS. However, after a few days, the QA team noticed that queries stop responding at all in Redshift.’
I could understand MTU surfacing after some time if you were only doing TCP L4 operations earlier like ping or trace etc.
Are TCP packet sizes likely to change at this stage?
With Regards.
