[jira] [Assigned] (HDDS-1529) BlockInputStream: Avoid buffer copy if the whole chunk is being read
[ https://issues.apache.org/jira/browse/HDDS-1529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aravindan Vijayan reassigned HDDS-1529: --- Assignee: Aravindan Vijayan (was: Hrishikesh Gadre) > BlockInputStream: Avoid buffer copy if the whole chunk is being read > > > Key: HDDS-1529 > URL: https://issues.apache.org/jira/browse/HDDS-1529 > Project: Hadoop Distributed Data Store > Issue Type: Improvement >Reporter: Hanisha Koneru >Assignee: Aravindan Vijayan >Priority: Major > > Currently, BlockInputStream reads chunk data from DNs and puts it in a local > buffer and then copies the data to clients buffer. This is required for > partial chunk reads where extra chunk data than requested might have to be > read so that checksum verification can be done. But if the whole chunk is > being read, we can copy the data directly into client buffer and avoid double > buffer copies. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Assigned] (HDDS-1529) BlockInputStream: Avoid buffer copy if the whole chunk is being read
[ https://issues.apache.org/jira/browse/HDDS-1529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siddharth Wagle reassigned HDDS-1529: - Assignee: Hrishikesh Gadre (was: Siddharth Wagle) > BlockInputStream: Avoid buffer copy if the whole chunk is being read > > > Key: HDDS-1529 > URL: https://issues.apache.org/jira/browse/HDDS-1529 > Project: Hadoop Distributed Data Store > Issue Type: Improvement >Reporter: Hanisha Koneru >Assignee: Hrishikesh Gadre >Priority: Major > > Currently, BlockInputStream reads chunk data from DNs and puts it in a local > buffer and then copies the data to clients buffer. This is required for > partial chunk reads where extra chunk data than requested might have to be > read so that checksum verification can be done. But if the whole chunk is > being read, we can copy the data directly into client buffer and avoid double > buffer copies. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Assigned] (HDDS-1529) BlockInputStream: Avoid buffer copy if the whole chunk is being read
[ https://issues.apache.org/jira/browse/HDDS-1529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siddharth Wagle reassigned HDDS-1529: - Assignee: Siddharth Wagle > BlockInputStream: Avoid buffer copy if the whole chunk is being read > > > Key: HDDS-1529 > URL: https://issues.apache.org/jira/browse/HDDS-1529 > Project: Hadoop Distributed Data Store > Issue Type: Improvement >Reporter: Hanisha Koneru >Assignee: Siddharth Wagle >Priority: Major > > Currently, BlockInputStream reads chunk data from DNs and puts it in a local > buffer and then copies the data to clients buffer. This is required for > partial chunk reads where extra chunk data than requested might have to be > read so that checksum verification can be done. But if the whole chunk is > being read, we can copy the data directly into client buffer and avoid double > buffer copies. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
