Bug 1028016

Summary: Very large sorts are inefficient
Product: [JBoss] JBoss Data Virtualization 6 Reporter: Van Halbert <vhalbert>
Component: TeiidAssignee: Van Halbert <vhalbert>
Status: CLOSED CURRENTRELEASE QA Contact:
Severity: urgent Docs Contact:
Priority: unspecified    
Version: 6.0.0CC: atangrin, fnguyen, vhalbert, wgibson
Target Milestone: ER4   
Target Release: 6.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Users are finding that large sorts are inefficient. When the memory space needed for a sort is estimated to be above 2 GB, the expression used will overflow. This causes the batch size to be used as the intermediate sort buffer size, which for any high row count will lead to many passes.
Story Points: ---
Clone Of: Environment:
Last Closed: 2014-03-10 19:57:01 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Comment 1 belong 2013-12-10 00:51:21 UTC
Assuming this will be set to VERIFIED before GA - setting requires_doc_text- accordingly.

Comment 2 wgibson 2014-02-11 13:28:30 UTC
Unit test: TestEnginePerformance.java

Comment 3 JBoss JIRA Server 2014-04-21 11:25:31 UTC
Steven Hawkins <shawkins> updated the status of jira TEIID-2728 to Closed