Jing Zhao created HDFS-9754: ------------------------------- Summary: Avoid unnecessary getBlockCollection calls in BlockManager Key: HDFS-9754 URL: https://issues.apache.org/jira/browse/HDFS-9754 Project: Hadoop HDFS Issue Type: Sub-task Components: namenode Reporter: Jing Zhao Assignee: Jing Zhao
Currently BlockManager calls {{Namesystem#getBlockCollection}} in order to: 1. check if the block has already been abandoned 2. identify the storage policy of the block 3. meta save For #1 we can use BlockInfo's internal state instead of checking if the corresponding file still exists. -- This message was sent by Atlassian JIRA (v6.3.4#6332)