[ https://issues.apache.org/jira/browse/IMPALA-6852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alice Fan resolved IMPALA-6852. ------------------------------- Resolution: Implemented Fix Version/s: Impala 3.2.0 > Add a section to the query profile covering number of fragments instances and > total bytes scanned per host > ---------------------------------------------------------------------------------------------------------- > > Key: IMPALA-6852 > URL: https://issues.apache.org/jira/browse/IMPALA-6852 > Project: IMPALA > Issue Type: Improvement > Components: Backend > Affects Versions: Impala 2.13.0 > Reporter: Mostafa Mokhtar > Assignee: Alice Fan > Priority: Major > Labels: ramp-up, supportability > Fix For: Impala 3.2.0 > > > Root causing performance issues usually comes down to skew in terms of work > done across hosts. Un-even assignment of fragments or bytes scanned per host > is a common. > Making this information readily available in the query profile will help > speedup RCA. > Proposal is to add two tables to the query profile that cover > * Number of fragments per host > * Number of bytes scanned per host -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org