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While it is true that they do occupy some more bytes on the disk (and are a bit rare in the wild as simpler applications just don’t need them) I was still sceptical about the direct translation of those bytes to speed difference. In short he reasoned that one should generally avoid the UUID-s for performance reasons as they take 16 bytes instead of 4/8 bytes for normal integer and thus are slower. The performance review is an essential part of your performance management strategy-but it needs to be done effectively! Be prepared for your next performance conversation with our Performance Review Checklist.Some weeks ago at pgDay Paris, during the evening social event, we got into a small “guestimation” with another Postgres enthusiast, about the precepted speed of using integer based ID-s vs UUID based ones for bigger amounts of data. Come prepared to our one-on-one ready to discuss your progress.
#PERFORMANCE TEST 8 SERIAL KEY PROFESSIONAL#
#PERFORMANCE TEST 8 SERIAL KEY SERIES#
The effort is there, but a series of broad, generic questions cause both manager and employee to leave the meeting with few meaningful takeaways. Why? Because managers are asking the wrong performance review questions. But all too often, employee reviews fall flat and have little impact.