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25 on caching, see <xref href="GUID-2FAB8281-569A-52BE-8BC8-A2D378068706.dita">Caching</xref>. |
25 on caching, see <xref href="GUID-2FAB8281-569A-52BE-8BC8-A2D378068706.dita">Caching</xref>. |
26 The following illustration shows the architecture of the Message Server with |
26 The following illustration shows the architecture of the Message Server with |
27 the SQL database. </p> <fig id="GUID-57F87249-8F4F-59B4-902C-2A577A120F1A"> |
27 the SQL database. </p> <fig id="GUID-57F87249-8F4F-59B4-902C-2A577A120F1A"> |
28 <title> Message Server architecture with the SQL database |
28 <title> Message Server architecture with the SQL database |
29 </title> |
29 </title> |
30 <image href="GUID-38089CC3-D969-5501-9FDA-BB0369D5D6A9_d0e283948_href.png" placement="inline"/> |
30 <image href="GUID-38089CC3-D969-5501-9FDA-BB0369D5D6A9_d0e280262_href.png" placement="inline"/> |
31 </fig><note> Write operations like updating, creating and deleting entries |
31 </fig><note> Write operations like updating, creating and deleting entries |
32 require disk operation to retrieve <xref href="GUID-5A23B804-2C06-3407-9D48-1BFB212D699F.dita"><apiname>TMsvEntry</apiname></xref> from database, |
32 require disk operation to retrieve <xref href="GUID-5A23B804-2C06-3407-9D48-1BFB212D699F.dita"><apiname>TMsvEntry</apiname></xref> from database, |
33 because the entry cache is always in synchronisation with the corresponding |
33 because the entry cache is always in synchronisation with the corresponding |
34 entry in the database.</note> <p><b>Advantages</b> </p> <p>The following are |
34 entry in the database.</note> <p><b>Advantages</b> </p> <p>The following are |
35 the advantages of using the SQL database to store index entries: </p> <ul> |
35 the advantages of using the SQL database to store index entries: </p> <ul> |