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Hadoop QA commented on HDFS-12482: ---------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s{color} | {color:blue} Docker mode activated. {color} | | {color:red}-1{color} | {color:red} docker {color} | {color:red} 2m 51s{color} | {color:red} Docker failed to build yetus/hadoop:0de40f0. {color} | \\ \\ || Subsystem || Report/Notes || | JIRA Issue | HDFS-12482 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12893089/HDFS-12482.01.patch | | Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/21749/console | | Powered by | Apache Yetus 0.6.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > Provide a configuration to adjust the weight of EC recovery tasks to adjust > the speed of recovery > ------------------------------------------------------------------------------------------------- > > Key: HDFS-12482 > URL: https://issues.apache.org/jira/browse/HDFS-12482 > Project: Hadoop HDFS > Issue Type: Improvement > Components: erasure-coding > Affects Versions: 3.0.0-alpha4 > Reporter: Lei (Eddy) Xu > Assignee: Lei (Eddy) Xu > Priority: Minor > Labels: hdfs-ec-3.0-nice-to-have > Attachments: HDFS-12482.00.patch, HDFS-12482.01.patch > > > The relative speed of EC recovery comparing to 3x replica recovery is a > function of (EC codec, number of sources, NIC speed, and CPU speed, and etc). > Currently the EC recovery has a fixed {{xmitsInProgress}} of {{max(# of > sources, # of targets)}} comparing to {{1}} for 3x replica recovery, and NN > uses {{xmitsInProgress}} to decide how much recovery tasks to schedule to the > DataNode this we can add a coefficient for user to tune the weight of EC > recovery tasks. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org