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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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