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QC Login performance problems resolved
Behind the Screen
– QualityCentral has recently been having very slow logins. Fortunately, we just discovered the culprit and have resolved the performance problems through the use of an internally-developed test framework we’ve implemented for EDN systems to track stability and performance. It was an embarrassingly simple mistake – we were missing an index on the USER_ID column in one of our tables. Adding the missing index brought the query time down from over 27 seconds (on average) to 31ms on average. Now, the QC windows and browser clients are finally logging in again like they used to. As the users in ...
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