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Key: CORE-3633
Type: Sub-task Sub-task
Status: Resolved Resolved
Resolution: Fixed
Priority: Major Major
Assignee: Alexander Peshkov
Reporter: Alexander Peshkov
Votes: 0
Watchers: 0
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Firebird Core
CORE-3560

Check and correct memory usage issues in FB3

Created: 13/Oct/11 12:02 PM   Updated: 16/Nov/15 01:32 PM
Component/s: Engine
Affects Version/s: 3.0 Initial
Fix Version/s: 3.0 RC1

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 Description  « Hide
FB3 is using much more OS memory for same tasks compared with FB2.X.

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Alexander Peshkov added a comment - 16/Nov/15 01:32 PM
This issue was resolved (at least as much as possible) in RC1. Memory manager was learned to allocate medium amounts of memory from parent pool - particularly memory extents for allocation of small blocks and small amount of medium size blocks, thus avoiding need in allocation of relatively big amounts of memory from OS that often remain unused. From memory manager POV this problem is resolved.