>> Remarkably, Cloud Spanner achieves this combination of features without violating the CAP Theorem.
This is the best weasel PR language I have seen in a long time.
Note that the sentence does not actually proclaim that they solved (the previously "unsolvable") problem of achieving distributed consensus with unreliable communication while maintaining partition tolerance and availability.
The blog only says they don't "violate" the CAP theorem -- whatever that means. So the statement is technically correct. Still the intention is obviously to mislead the casual reader (why else would you start the sentence with "Remarkably"?).
A litmus test: The same statement is true for MySQL - or _any other_ database in fact:
>> "Remarkably, MySQL achieves this combination of features without violating the CAP theorem"
This is the best weasel PR language I have seen in a long time.
Note that the sentence does not actually proclaim that they solved (the previously "unsolvable") problem of achieving distributed consensus with unreliable communication while maintaining partition tolerance and availability.
The blog only says they don't "violate" the CAP theorem -- whatever that means. So the statement is technically correct. Still the intention is obviously to mislead the casual reader (why else would you start the sentence with "Remarkably"?).
A litmus test: The same statement is true for MySQL - or _any other_ database in fact:
It's a bit like saying