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ASF GitHub Bot commented on FLINK-9875: --------------------------------------- Github user tison1 commented on the issue: https://github.com/apache/flink/pull/6353 Fix unstable case, the problem is code below, that may assign `constraints` to a long array and then to a short array, which cause out of index exception. to solve it we could init `constraints` in object construct. https://github.com/apache/flink/blob/056486a1b81e9648a6d3dc795e7e2c6976f8388c/flink-runtime/src/main/java/org/apache/flink/runtime/jobmanager/scheduler/CoLocationGroup.java#L87-L91 > Add concurrent creation of execution job vertex > ----------------------------------------------- > > Key: FLINK-9875 > URL: https://issues.apache.org/jira/browse/FLINK-9875 > Project: Flink > Issue Type: Improvement > Components: Local Runtime > Affects Versions: 1.5.1 > Reporter: 陈梓立 > Assignee: 陈梓立 > Priority: Major > Labels: pull-request-available > > in some case like inputformat vertex, creation of execution job vertex is time > consuming, this pr add concurrent creation of execution job vertex to > accelerate it. -- This message was sent by Atlassian JIRA (v7.6.3#76005)