Preparation for MapReduce recitation
This paper was published at the biennial Usenix Symposium on
Operating Systems Design and Implementation (OSDI) in 2004, one of the
premier conferences in computer systems. (OSDI alternates with the
equally prestigious ACM Symposium on Operating Systems Principles
(SOSP), at which appeared Eraser, the paper you already read in a
Answer the following questions and bring your answers to recitation:
- What exactly would happen if one block of one hard drive got
erased during a map/reduce computation? What parts of the system
would fix the error (if any), and what parts of the system would
be oblivious (if any)?
- How do "stragglers" impact performance?