[ https://issues.apache.org/jira/browse/TEZ-3772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Muhammad Samir Khan updated TEZ-3772: ------------------------------------- Summary: Allow slowstart for small vertices to be treated differently (was: Allow slowstart for small jobs to be treated differently) > Allow slowstart for small vertices to be treated differently > ------------------------------------------------------------ > > Key: TEZ-3772 > URL: https://issues.apache.org/jira/browse/TEZ-3772 > Project: Apache Tez > Issue Type: Improvement > Reporter: Muhammad Samir Khan > Assignee: Muhammad Samir Khan > Attachments: tez-3772.001.patch > > > If there are a small number of reduces (configurable), then having a > different threshold can benefit. Performance of jobs with a small number of > reduce tasks can benefit significantly. Yes, the job could specify slowstart > as 0.0 instead of the default, but that requires job owners to do something. > It would be better if the defaults did something more optimal for both large > and small jobs. -- This message was sent by Atlassian JIRA (v6.4.14#64029)