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Fragmentation Fear


Fragmentation Fear

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TravisDBA
TravisDBA
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Agreed, re-indexing is one of several things that should be automated on your db server from the getgo.:-D

"Technology is a weird thing. It brings you great gifts with one hand, and it stabs you in the back with the other. ...:-D"
des.browning
des.browning
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'It's something that should be scheduled and automated.'

True, if you have the window to do it - not always possible without affecting the system's usage.
TravisDBA
TravisDBA
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Databases are not self-healing animals, they require maintenance windows, period. I usually do weekly online re-indexing between 3-5AM on a Sunday morning, after the Sunday backups have taken place. In that way, I don't affect my U.S. systems adversely, even the 24/7 databases. For overseas databases i adjust accordingly.:-D

"Technology is a weird thing. It brings you great gifts with one hand, and it stabs you in the back with the other. ...:-D"
Jeff Moden
Jeff Moden
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des.browning (10/2/2012)
'It's something that should be scheduled and automated.'

True, if you have the window to do it - not always possible without affecting the system's usage.


Catch-22. Not doing it will likely affect the "system's usage", as well.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
If you think its expensive to hire a professional to do the job, wait until you hire an amateur. -- Red Adair

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Jo Pattyn
Jo Pattyn
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Postponing defragmentation till really necessary as there are some many things involved: usage, fragmentation DB level, fragmentation os level, fragmentation storage level...
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