tree 91d5eb9b971e45ff3a79a77f7ab63396f9ad68f0
parent dc40825e092fc78866200863792af8b2c690c5c7
author Huizhi L <ihuizhi.lu@gmail.com> 1572544928 -0700
committer Jiajun Wang <1803880+jiajunwang@users.noreply.github.com> 1581107062 -0800

Use a deep copy of the new best possible assignment for measuring baseline divergence. (#542)

The new assignment is really critical in waged rebalancer. If there is any potential changes in measure baseline divergence, waged rebalancer may not work correctly.
To avoid changes of the new assignment and make it safe when being used to measure baseline divergence, use a deep copy of the new assignment.