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He Tianyi commented on HDFS-9149: --------------------------------- The default {{NetworkTopology}} is not dc aware. Perhaps implement a custom one with datacenter location awareness and override {{sortByDistance}}? > Consider multi datacenter when sortByDistance > --------------------------------------------- > > Key: HDFS-9149 > URL: https://issues.apache.org/jira/browse/HDFS-9149 > Project: Hadoop HDFS > Issue Type: Improvement > Components: namenode > Reporter: He Xiaoqiao > > {{sortByDistance}} doesn't consider multi-datacenter when read data, so there > my be reading data via other datacenter when hadoop deployment with multi-IDC. -- This message was sent by Atlassian JIRA (v6.3.4#6332)