Do the same for all your content that you want indexed or not indexed. By default, the Indexing Service will index HTML files, text files, Office 95 and later files, internet mail and news, and any other document that a filter is provided. For example, Adobe makes its own IFilter which once installed, helps the service index Acrobat pdf files. The next step is to create a new catalog to house all the information. Do not save your catalog under a folder that is being indexed by the same catalog or any other.
First create those folders. After you create it, you need to specify what to include or not include in it so that the service will start indexing that content. Right click on the catalog you want to edit, click on Properties and move to the Tracking tab.
In this case we want it to point to a web site, so you have to tell it what web server to associate it with. Pick one from the pull-down list. Now when you start the service, it will start indexing your web site. Under the Generation tab, you can select whether to inherit parent attributes or uncheck it so that you can customize it. I chose only to Generate Abstracts and not index files with unknown extensions. If there is none, then it will pick the first characters from the body to create the abstract.
The maximum number for this string length is As promised earlier, here is another way to add or delete folders to be indexed. Choose the path of the folder you want to add to your catalog, and choose from the radio button whether you want it included or excluded from the index.
You can add folders on remote computers as long as they are correctly mapped in your system. The Alias UNC is not necessary. Open it with a text editor like Notepad. You will see that its contents are single words or numbers, one under the other, each on its own line. This is the word exception file, and the Indexing Service uses this file when it indexes a file to exclude the words that are there.
These are common words, like and , or , or numbers. You can edit this file, adding or deleting your own words. If you edit these files, you will need to empty the catalogs and restart the Indexing Service, so that the updated exception list can take effect.
There is a different noise file for every language: noise. The French file is called noise. You can see a list of all your files in the registry. You will see a listing of all the languages, and the key name is NoiseFile. First stop the Indexing Service. Once you do that, you can tune the performance of the engine. You can choose Dedicated Server if you want to make this catalog and this service immediately responsive to changes on the file system.
You can also select Customize and then click on the button, which will give you this dialog:. Move the Indexing slider to Lazy for less immediate indexing or to Instant for immediate indexing of new and changed documents.
Move the Querying slider to Low load if you expect to process only a few queries at a time or to High load if you expect to process many queries at a time. Low load uses fewer resources; high load uses more. You can increase or decrease these settings are you see fit. Keep in mind that doing so will cause your server to use more resources for this activity. I have used the above setting for large sites with thousands of documents with success. It moves through pretty quickly, indexing thousands of html documents in just a few minutes.
But once it finishes it just sits there, not really using many resources. This way, you can keep the service running on a small computer and you still get good performance out of it. I limit the query string that a user can input by characters. That should be enough for everybody and helps prevent hacking. You can change this if you like. The Scope is another word for folder. Sometimes users want to set how many results they see on one page: fewer or maybe more.
Subsequently, searching, or querying, the catalogs for particular word combinations uses the master index as well as word lists and shadow indexes to execute queries quickly and efficiently.
The Indexing Service application programming interface API provides additional versatile and flexible facilities for programmatically interacting with Indexing Service. These facilities include:.
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