[ https://issues.apache.org/jira/browse/HADOOP-19033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steve Loughran resolved HADOOP-19033. ------------------------------------- Fix Version/s: 3.5.0 Resolution: Fixed > S3A: disable checksum validation > -------------------------------- > > Key: HADOOP-19033 > URL: https://issues.apache.org/jira/browse/HADOOP-19033 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/s3 > Affects Versions: 3.4.0 > Reporter: Steve Loughran > Assignee: Steve Loughran > Priority: Major > Labels: pull-request-available > Fix For: 3.5.0 > > > AWS v2 sdk turns on client-side checksum validation; this kills performance > Given we are using TLS to download from AWS s3, there's implicit channel > checksumming going on on, that's along with the IPv4 TCP checksumming. > We don't need it, all it does is slow us down. > proposed: disable in DefaultS3ClientFactory > I don't want to add an option to enable it as it only complicates life (yet > another config option), but I am open to persuasion -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: common-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-dev-h...@hadoop.apache.org