Yiqun Lin created HDFS-10560: -------------------------------- Summary: Reuse ObjectMapper instance to improve the performance Key: HDFS-10560 URL: https://issues.apache.org/jira/browse/HDFS-10560 Project: Hadoop HDFS Issue Type: Sub-task Components: balancer & mover Affects Versions: HDFS-1312 Reporter: Yiqun Lin Assignee: Yiqun Lin
In branch HDFS-1312, there are many places use {{ObjectMapper}} instances to do the json-object transform. But {{ObjectMapper}} instance is relatively heavy, we should reuse them as possible. And In addition, {{ObjectMapper}} is thread safe, can see this link:http://wiki.fasterxml.com/JacksonFAQ. Here are related issues: HDFS-9724, HDFS-9768. We can see detail info in this issues. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org