[rabit_bootstrap_cache ] failed xgb worker recover from other workers (#4808)

* Better recovery support.  Restarting only the failed workers.
This commit is contained in:
Chen Qin
2019-09-16 20:31:52 -07:00
committed by Jiaming Yuan
parent c89bcc4de5
commit 512f037e55
11 changed files with 111 additions and 14 deletions

2
rabit

Submodule rabit updated: dba32d54d1...9a7ac85d7e