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Symbian3/SDK/Source/GUID-62E1A29B-E95C-5E5B-969B-410A78114A3B.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Tue, 20 Jul 2010 12:00:49 +0100
changeset 13 48780e181b38
permissions -rw-r--r--
Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
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48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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<?xml version="1.0" encoding="utf-8"?>
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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<!-- This component and the accompanying materials are made available under the terms of the License
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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"Eclipse Public License v1.0" which accompanies this distribution,
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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<!-- Initial Contributors:
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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    Nokia Corporation - initial contribution.
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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Contributors:
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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-->
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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<!DOCTYPE concept
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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<concept xml:lang="en" id="GUID-62E1A29B-E95C-5E5B-969B-410A78114A3B"><title>Dynamic Compression</title><prolog><metadata><keywords/></metadata></prolog><conbody><section id="GUID-83A2D02E-143D-50AA-B26A-AAC3CAD72CD0"><title>Overview</title> <p>A contacts database will be compressed automatically by the server based on two compression thresholds. </p> <p>These thresholds are expressed in terms of the total number of Create, Update or Delete (CUD) operations performed on a contacts database since the last time the database was compressed. </p> <p>The first threshold is 16 CUD operations. Once this threshold is reached the server will request an “idle” compression. This type of compression will only result in a compression request (internal to the server) if there are no operations of higher priority carried out by the server within 1 second. </p> <p>The second threshold is 64 CUD operations. Once this threshold is reached the server will request an “immediate” compression. This type of compression will always result in a compression request. </p> </section> <section id="GUID-34843419-5945-5EE5-B3C0-2181D5A097CB"><title>Implementation Considerations</title> <p>Clients should still request database compression since short sessions with a database may not allow either of the CUD operation thresholds to be reached. </p> <p>There is no requirement to request compression during “bulk” operations (more than 64 CUD operations) but it is recommended to request a compression after any series of CUD operations, to ensure minimum fragmentation of the database. </p> </section> </conbody></concept>
MCL/sftools/depl/docscontent