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Key: CORE-5432
Type: Bug Bug
Status: Resolved Resolved
Resolution: Fixed
Priority: Major Major
Assignee: Dmitry Yemanov
Reporter: Dmitry Yemanov
Votes: 0
Watchers: 1
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Firebird Core

Performance regression in Classic Server: too much time is spent during context switches

Created: 29/Dec/16 07:01 AM   Updated: 25/Nov/17 08:21 PM
Component/s: Engine
Affects Version/s: 4.0 Initial, 3.0.0, 3.0.1
Fix Version/s: 3.0.2, 4.0 Alpha 1

Environment: Linux only

QA Status: Cannot be tested


 Description  « Hide
Performance degrades by 30-40% for trivial select queries running concurrently. High idle times are observed during CPU bound load.


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Dmitry Yemanov made changes - 29/Dec/16 07:01 AM
Field Original Value New Value
Security Managers [ 10013 ]
Fix Version/s 3.0.2 [ 10785 ]
Fix Version/s 4.0 Alpha 1 [ 10731 ]
Dmitry Yemanov made changes - 29/Dec/16 07:01 AM
Assignee Dmitry Yemanov [ dimitr ]
Dmitry Yemanov made changes - 29/Dec/16 07:48 AM
Status Open [ 1 ] Resolved [ 5 ]
Resolution Fixed [ 1 ]
Pavel Zotov made changes - 25/Nov/17 08:21 PM
Status Resolved [ 5 ] Resolved [ 5 ]
QA Status No test Cannot be tested