Pickling the data in the workers
Pickling the data in the workers


Former-commit-id: acf0ec779d3fb78acc17aed7112b8548b8e4a2ed [formerly 694a4e8b6a534210c335d6b9c75c592158ec9d12]
Former-commit-id: c20f89a668be5501c8a81d33965bab6fc1cfc592
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine