Affects Version/s: 0.23.0
Fix Version/s: 0.23.1
In hadoop-1, the CS is very conservative handing out off-switch assignments, we need to do the same in YARN.
We noticed performance regressions due to this, particularly for reduces.
Vinod Kumar Vavilapalli made changes -
|Status||Patch Available [ 10002 ]||Resolved [ 5 ]|
|Hadoop Flags||Reviewed [ 10343 ]|
|Release Note||Making CapacityScheduler more conservative so as to assign only one off-switch container in a single scheduling iteration.|
|Fix Version/s||0.23.1 [ 12318883 ]|
|Resolution||Fixed [ 1 ]|
|Status||Resolved [ 5 ]||Closed [ 6 ]|