add configure(conf) to pregelix API, called once per iteration
support dynamic buffer cache size
Merge branch 'yingyi/fullstack_fix' of https://code.google.com/p/hyracks into yingyi/fullstack_fix
ignore connection exception in client counter context
fix a job concat bug reported by Jake
refactor the job generator
let the optimizer choose group-by operator based on available memory
fix serializable aggregator
revert test cases
fix the linux io counter; add the support for customized property setting in Client
fix customized properties
fix the linux io counter
fix counter client
configurable sort memory limit
let hash-grouping only be user-specified
merge master
add graphsamplevertex
make input formats more general
fix customized property setting path
manually optimize virtual function calls