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Assuming you have a 1GB file. According to Colossus paper, that gets split into 1MB parts, so 1000. And they probably use erasure-coding for replication. How do
by ddorian43 6y ago
Assuming you have a 1GB file. According to Colossus paper, that gets split into 1MB parts, so 1000. And they probably use erasure-coding for replication. How does it work ? Do they EC each 1000 part separately, or ?
- jeffbee 6y agoAccording to these slides, each stripe is a separate replication group. Although the figure depicts replicated rather than erasure coded files, I think it's safe to imagine that the idea holds for both. http://www.pdsw.org/pdsw-discs17/slides/PDSW-DISCS-Google-Keynote.pdf http://www.pdsw.org/pdsw-discs17/slides/PDSW-DISCS-Google-Ke...