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Comment: Re:Specific Issues (Score 2, Interesting) 93 93

A lot of newer tech companies prefer to develop their own systems these days; there is a new culture of "dogfooding" i.e. building your tools from scratch and using your own product. There are good technical reasons for doing so when you are innovating, as existing systems will never quite meet your requirements. This is especially true of the cloud and "big data" (non-relational DBs), which are both still young and rapidly evolving.

As for specifically what went wrong: I suspect that comes under trade secrets. Building a cloud is hard.

egrep patterns are full regular expressions; it uses a fast deterministic algorithm that sometimes needs exponential space. -- unix manuals

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