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{{Cleanup bare URLs, date=August 2022 A search appliance (SA) is a type of
computer appliance A computer appliance is a home appliance with software or firmware that is specifically designed to provide a specific computing resource. Such devices became known as ''appliances'' because of the similarity in role or management to a home ap ...
which is attached to a corporate network for the purpose of indexing the content shared across that network in a way that is similar to a
web search engine A search engine is a software system designed to carry out web searches. They search the World Wide Web in a systematic way for particular information specified in a textual web search query. The search results are generally presented in a ...
.


Architecture

A search appliance is usually made up of several components. These include a gathering component, a standardizing component, a data storage area, a search component, a user interface component, and a management interface component:https://doc.perfectsearchcorp.com/?q=content/search-appliance-21-configuration-guide * The gathering component is usually a
web crawler A Web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web and that is typically operated by search engines for the purpose of Web indexing (''web s ...
or file crawler that goes out on a network or the Internet and gathers files and data from specified locations. This might include SMB shared directories, NFS shared directories, databases, and web pages. The crawler might either copy files to the search appliance, or only copy the
metadata Metadata is "data that provides information about other data", but not the content of the data, such as the text of a message or the image itself. There are many distinct types of metadata, including: * Descriptive metadata – the descriptive ...
about the file. * A standardizing component takes the data from the gathering component and transposes it into a standardized format for storage in the data storage component. It then places it in the data storage area. * The data storage component holds metadata about the files and might also contain copies of the actual file or data as well as the metadata about the file. * The search component searches through the stored metadata from the files and provides the information to the search interface in the form of query results. It also can provide links to the copies of the files stored on the search appliance, or it can provide links to the original files in the source locations. * The search interface is the component where users compose their search queries. It provides instructions to the search component and displays query results to the user. * The management interface lets administrators manage user accounts, permissions, adding and deleting search indexes, crawl job scheduling, and other relevant functions.


See also

* List of search appliance vendors *
Enterprise search Enterprise search is the practice of making content from multiple enterprise-type sources, such as databases and intranets, searchable to a defined audience. "Enterprise search" is used to describe the software of search information within an ente ...
*
Information retrieval Information retrieval (IR) in computing and information science is the process of obtaining information system resources that are relevant to an information need from a collection of those resources. Searches can be based on full-text or other c ...
*
Search engine A search engine is a software system designed to carry out web searches. They search the World Wide Web in a systematic way for particular information specified in a textual web search query. The search results are generally presented in a ...


References

Search engine software Server appliance