Wei-Chiu Chuang created HDFS-16727: -------------------------------------- Summary: Consider reading chunk files using MappedByteBuffer Key: HDFS-16727 URL: https://issues.apache.org/jira/browse/HDFS-16727 Project: Hadoop HDFS Issue Type: Improvement Reporter: Wei-Chiu Chuang Attachments: Screen Shot 2022-08-04 at 7.12.55 AM.png, ozone_dn-rhel03.ozone.cisco.local.html
Running Impala TPC-DS which stresses Ozone DN read path. BufferUtils#assignByteBuffers stands out as one of the offender. We can experiment with MappedByteBuffer and see if it makes performance better. -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org