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- Evaluation / Case Study  - *maybe pitch this as a case study? it's certainly not going to feel like much of an "evaluation"*  - explain Retwis application, txns:  - `new_user:5%`, `follow:10%`, `unfollow:5%`, `post:30%`, `read_timeline:50%` - uniform vs powerlaw graph - uniform vs zipfian workload generation - evaluate with commutativity "on" and "off"  - *evaluate with multiple levels of commutativity? something like comm. lattice eval?*  - *evaluate against non-transactional?*  - could just run the same thing without transactions or with no aborting txns as a proxy - but should we quantify the number of resulting conflicts/inconsistencies somehow? - *evaluate against eventual consistency somehow?*  - Future work  - other potential uses of ADTs and commutativity  - batching and combining - contention/hot-spot avoidance via splitting (phase reconciliation) - replication/fault tolerance ## Questions:  - where to work in contention / naturally skewed workload? use as motivation? or just in case study?