A t   t h e   s a m e   t i m e ,   w e   n e e d   t o   k e e p   t h e   r e s p o n s e   t i m e   d o w n   t o   s e c o n d s ,   w h i c h   r e q u i r e s   s c a l a b i l i t y .   D a t a   w a r e h o u s e s   a r e   h i g h l y   s t r u c t u r e d   s t o r a g e   s y s t e m s   k e e p i n g   o n l y   f i l t e r e d   b u s i n e s s   a n d   o p e r a t i o n a l   s y s t e m   d a t a   f o r   a   s p e c i f i c   p u r p o s e .   I n   o t h e r   c a s e s ,   s o l u t i o n s   t h a t   w o r k   w e l l   f o r   b a t c h e s   m a y   n o t   w o r k   f o r   r e a l - t i m e   d a t a   s t r e a m i n g   n e e d s .   A l l   t h e   t i m e   t h e y   c h a n g e !   T h e y   o p e r a t e   a s   s t o r a g e   f o r   d a t a   n o t   y e t   a l l o c a t e d   t o   a   s p e c i f i c   f u n c t i o n .
This article was published in 2015.
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This article was published in 2015 .
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