[jira] [Commented] (IMPALA-8137) Order by docs incorrectly state that order by happens on one node
[ https://issues.apache.org/jira/browse/IMPALA-8137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16757847#comment-16757847 ] Alex Rodoni commented on IMPALA-8137: - https://gerrit.cloudera.org/#/c/12330/ > Order by docs incorrectly state that order by happens on one node > - > > Key: IMPALA-8137 > URL: https://issues.apache.org/jira/browse/IMPALA-8137 > Project: IMPALA > Issue Type: Bug > Components: Docs >Reporter: Tim Armstrong >Assignee: Alex Rodoni >Priority: Major > > https://impala.apache.org/docs/build/html/topics/impala_order_by.html > "because the entire result set must be produced and transferred to one node > before the sorting can happen." is incorrect. If there is an "ORDER BY" > clause in a select block, then first data is sorted locally by each impala > daemon, then streamed to the coordinator, which merges the sorted result sets. -- 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
[jira] [Commented] (IMPALA-8137) Order by docs incorrectly state that order by happens on one node
[ https://issues.apache.org/jira/browse/IMPALA-8137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16758592#comment-16758592 ] ASF subversion and git services commented on IMPALA-8137: - Commit 6291d6063fe4ff9c483b60b8d9fc254298a51473 in impala's branch refs/heads/master from Alex Rodoni [ https://gitbox.apache.org/repos/asf?p=impala.git;h=6291d60 ] IMPALA-8137: [DOCS] Order By does not happens on one node Change-Id: If8d7bf26fffaf93982e67f8bc8f37742c81fda39 Reviewed-on: http://gerrit.cloudera.org:8080/12330 Tested-by: Impala Public Jenkins Reviewed-by: Tim Armstrong > Order by docs incorrectly state that order by happens on one node > - > > Key: IMPALA-8137 > URL: https://issues.apache.org/jira/browse/IMPALA-8137 > Project: IMPALA > Issue Type: Bug > Components: Docs >Reporter: Tim Armstrong >Assignee: Alex Rodoni >Priority: Major > > https://impala.apache.org/docs/build/html/topics/impala_order_by.html > "because the entire result set must be produced and transferred to one node > before the sorting can happen." is incorrect. If there is an "ORDER BY" > clause in a select block, then first data is sorted locally by each impala > daemon, then streamed to the coordinator, which merges the sorted result sets. -- 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