Commits
Ximo Guanter authored and Andy Grove committed 6c1f6cce4b3
ARROW-12436: [Rust][Ballista] Add watch capabilities to config backend trait A small next step towards enabling HA in the scheduler. UT + ITs pass. cc @andygrove Closes #10085 from edrevo/state-watch Authored-by: Ximo Guanter <ximo.guanter@gmail.com> Signed-off-by: Andy Grove <andygrove73@gmail.com>