[#SES-140] Performance bottleneck in _updateExportedNamespaces()

Issue Details [XML]

Key:	SES-140
Type:	Bug
Status:	Closed
Resolution:	Fixed
Priority:	Major
Assignee:	Arjohn Kampman
Reporter:	Jeen Broekstra
Votes:	0
Watchers:	0

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Performance bottleneck in _updateExportedNamespaces()

Created: 22/Mar/05 11:49 AM Updated: 11/Apr/05 01:44 PM

Component/s:

Memory Sail

Affects Version/s:

1.1

Fix Version/s:

1.1.3

Description

(See forum thread http://www.openrdf.org/forum/mvnforum/viewthread?thread=511 )

The method _updateExportedNamespaces in the in-memory SAIL is reported to use a disproportionate amount of time during transactions, especially remove operations.

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Comment by Arjohn Kampman [25/Mar/05 01:05 PM]

The updating of the export flags for namespaces is now postponed until getNamespaces() is called. This should improve performance when multiple transactions are performed in a row.