[jira] [Updated] (PHOENIX-4594) Query Compilation where there are many guideposts causes overhead
[ https://issues.apache.org/jira/browse/PHOENIX-4594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bin Shi updated PHOENIX-4594: - Summary: Query Compilation where there are many guideposts causes overhead (was: Perform binary search on guideposts during query compilation) > Query Compilation where there are many guideposts causes overhead > - > > Key: PHOENIX-4594 > URL: https://issues.apache.org/jira/browse/PHOENIX-4594 > Project: Phoenix > Issue Type: Improvement >Reporter: James Taylor >Assignee: Bin Shi >Priority: Major > Attachments: PHOENIX-4594-0913.patch, PHOENIX-4594_0917.patch, > PHOENIX-4594_0918.patch > > > If there are many guideposts, performance will suffer during query > compilation because we do a linear search of the guideposts to find the > intersection with the scan ranges. Instead, in > BaseResultIterators.getParallelScans() we should populate an array of > guideposts and perform a binary search. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (PHOENIX-4594) Query Compilation where there are many guideposts causes overhead
[ https://issues.apache.org/jira/browse/PHOENIX-4594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bin Shi updated PHOENIX-4594: - Description: If there are many guideposts, performance will suffer during query compilation. (was: If there are many guideposts, performance will suffer during query compilation because we do a linear search of the guideposts to find the intersection with the scan ranges. Instead, in BaseResultIterators.getParallelScans() we should populate an array of guideposts and perform a binary search. ) > Query Compilation where there are many guideposts causes overhead > - > > Key: PHOENIX-4594 > URL: https://issues.apache.org/jira/browse/PHOENIX-4594 > Project: Phoenix > Issue Type: Improvement >Reporter: James Taylor >Assignee: Bin Shi >Priority: Major > Attachments: PHOENIX-4594-0913.patch, PHOENIX-4594_0917.patch, > PHOENIX-4594_0918.patch > > > If there are many guideposts, performance will suffer during query > compilation. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
