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Improving Search Performance
Many times the administrator is tasked with improving different aspects of the overall
search process. The following table highlights some options available to the
administrator based on the new search architecture.
Aspect to improve Action
Full crawl time and result
freshness
Add crawl servers, crawlers, and crawl databases.
Each crawl database can contain content from independent sources.
Each crawl database can have several crawlers associated with it, and
those crawlers can be distributed among multiple crawl servers.
Multiple crawlers and associated crawl databases allow you to crawl
multiple content repositories.
Query response time Add query servers and index partitions to improve query latency
caused by high peak query load.
Isolate the property database from crawl databases by moving it to a
separate database server if high query latency is caused by database
load.
Add index partitions. Each index partition can contain up to ~10 million
items, and can be cloned by deploying multiple instances across
several query servers. Query throughput increases when you add
query partition instances.
Query functionality availability Deploy redundant query servers, redundant query partitions and
partition instances.
Use clustered or mirrored database servers to host crawl and property
databases.
Content crawling and indexing
functionality availability
Use multiple crawlers per crawl server, and use redundant crawl
servers.
Add crawl databases. Crawlers associated with a given crawl database
can be distributed across crawl servers for availability and load
distribution.
FAST Search for SharePoint
FAST Search for SharePoint is a new Microsoft product that is integrated with SharePoint
Server 2010 to provide high-end search capability. It is highly efficient and can search a
huge corpus of data extremely fast. It features an outstanding search user experience
out of the box, granular control of user experience and relevance, powerful content
processing capabilities, and platform flexibility and scaling to handle the most
challenging search applications. FAST Search for SharePoint is not part of the Technical