liupengcheng created FLINK-15848: ------------------------------------ Summary: Support both fixed allocator and dynamic allocator in flink Key: FLINK-15848 URL: https://issues.apache.org/jira/browse/FLINK-15848 Project: Flink Issue Type: Improvement Components: Runtime / Task Affects Versions: 1.10.0 Reporter: liupengcheng
Currently, we removed static allocator and only support dynamic allocation in flink1.10, however, this allocator still has some drawbacks: # Can not allocate resources in a range, which means the resource usage is not under control, this has very bad effect in a shared resource cluster(e.g. Yarn), one big query or job may occupy all the resources and cause other jobs block. # Not support static resource allocation. That means we can hardly do benchmark testing across engines(e.g. Spark). Also, in resource shared cluster(e.g. Yarn) that support over-allocation, it's hard to align the resources usage. As discussed in FLINK-12362 , we should support both fixed allocator and dynamic allocator(dynamically allocating in a range) in flink. -- This message was sent by Atlassian Jira (v8.3.4#803005)