Commits
Philipp Moritz authored and Robert Nishihara committed 7eeca3ac823
ARROW-2458: [Plasma] Use one thread pool per PlasmaClient This removes the global `thread pool_` variable from the PlasmaClient. cc @robertnishihara @pitrou Author: Philipp Moritz <pcmoritz@gmail.com> Closes #1893 from pcmoritz/fix-plasma-client and squashes the following commits: 742b542 <Philipp Moritz> fix linting b1130bd <Philipp Moritz> remove global variable from PlasmaClient