Skip to main content

ATG Search Indexing - overview of different steps in search indexing


Read more about the search indexing behind the scene steps @ http://tips4ufromsony.blogspot.in/2011/12/atg-search-indexing-behind-scene-steps.html

ATG Search prepares searchable content by indexing the products specified in the XML definition file (/atg/commerce/search/ProductCatalogOutputConfig).

Generally there are two types of indexing
1.  Full Indexing  --> all data taken for indexing
2.  Incremental Indexing --> only changed data will be taken for indexing

When full indexing is triggered, following happens:

   1. The out of box component BulkLoader will call IndexedItemsGroup.getGroupMembers() to load the products to the XHTL document. It prevents uncategorized products from getting indexed. The definition file format begins with a top-level item as a product and includes the properties of parent category and childskus. For each product, the set of Variant Producers configured in ProductCatalogOutputConfig is executed to check how many index items are to be created.

   2. XHTML documents are generated for each product, in order to submit to the engine for indexing. The XHTML is generated based on the definition file specified in ProductCatalogOutputConfig. An XHTML document that represents a Commerce product includes information about its parent category’s properties, as well as information about the properties of the child SKUs.

  3. The definition file, product-catalog-output-config is parsed to generate the text and meta properties, to be added to the index. The Text–properties indicates the properties which can be searched on. The Meta-properties indicate the properties which can be sent as constraints for faceted search. The text property will be specified in <text-properties> tag and meta property in <meta-properties> tag. The properties for which there is a custom property accessor specified, the property accessor is used to obtain the value to be indexed.

  4. After all the products have been added, the out of box PostIndexCustomization is executed to add any refineConfig and rankConfig information. This is used by the engine for generating facets and for manipulating the search results

  In case of failure in indexing, check the following logs
- JBoss server logs - <JBOSS_HOME>\server\atg\logs\server.log
- Dumping request logs Folder - <ATG_HOME>\logs\searchEngineActivity\*.xml ( request and response xmls). These logs will provide whether what was the request send to search engine in xml form and what was the response from engine for a query.
- Soap request logs - <ATG_HOME>\Search2007.1\SearchEngine\i686-win32-vc71\bin. This is used for checking the indexing failing.


Labels:

Comments

  1. Unknown13 June 2013 at 20:40

    Hi, I've been dealing with some questions regarding Search and indexing, I got the process a lot clear now (thanks for that) but I got some questions:
    - if there are problems with facets, like not showing the right facets configured, does that mean there was a problem during the indexing on the PostIndexCustomization?
    - Why during the PostIndexCustomization the indexing can take too long, like 2 hours? And before it took like 30 min, what could be a starting point to find what is wrong?
    - Which one is better, full or incremental indexing? Can both coexist? What do you recommend?

    Thanks a lot!

    ReplyDelete
  2. Sony Thomas5 July 2013 at 21:38

    - If there are issues with facets not showing on the site, first check the data in your database, then the refinement repository, then the refineconfig passed to search engine.

    - I haven't tries incremental indexing.But if you have small changes per day, you can go ahead with incremental, otherwise go with full indexing

    ReplyDelete

Post a Comment

Popular posts from this blog

ATG Search Indexing - behind the scene steps explained

Read more about the search indexing @  http://tips4ufromsony.blogspot.com/2011/11/atg-search-architectural-flow-search.html ATG search indexing involves index file creation, deploying and copying the index file to the search engine's box. The steps can be divided into Initial stage, Preparing Content, Indexing and Deploying. Please find below the detailed analysis of each step. 1. Initial stage:        a. Check whether the folder deployshare configured correctly @ LaunchingService.deployShare  ( \atg\search\routing\LaunchingService.deployShare ). Lets assume that it is configured to \Search2007.1\SearchEngine\i686-win32-vc71\buildedIndexFiles.        b. Lets assume that the index file folder ( \Search2007.1\SearchEngine\i686-win32-vc71\indexFiles)  has the following segments (folders) currently :                     66900...
7 comments
Read more

Check your PF balance

You can check your PF balance from the site :   http://www.epfkerala.in/ Go to the menu :  “ My Epf Balance ” .  This will lead to the url :  http://www.epfindia.com/MembBal.html Select the EPFO office where your account is maintained and furnish your PF Account number.You will be asked to enter your name and mobile number. The given mobile number will be recorded along with the PF Account Number. On successful submission of above information, the details will be sent through SMS to the given mobile number. Please find below some screen shots:
2 comments
Read more

Eclipse Kepler - good features of Eclipse 4.3 ( Eclipse Kepler ) JDT / Workbench

Detached windows with sash When you detach a view or editor into its own separate window, it now has all the capabilities of a normal workbench window. They now support multiple stacks of views separated by sashes with arbitrary layouts. The detached parts will remain synchronized with the master window that they were detached from. This is especially handy for people developing with two or more monitors, so they can spread views across several monitors and keep them synchronized. Import nested projects The Import Projects wizard now has an option to continue searching for projects to import recursively within any project it finds. This allows you to import physically nested projects at the same time. Open Resource dialog enhancements The Open Resource (Ctrl+Shift+R) dialog now offers direct access to the Show In and Open With menus via drop-down buttons. On platforms that support mnemonics, the buttons are also accessible via Alt+W and Alt+H. Whole word option...
Post a Comment
Read more

MPC way of subtitle download

How can we easily download the subtitle of a video ? If you are using the Media Player Classic, there is an easy option to download subtitle (if you are already connected to internet). Go to File --> Subtitle Databse --> Download. Now a list of subtitles will be listed including the language and you can choose the one and also can replace the existing one (if any). You have the option to save this subtitle (@  File --> Save Subtitle). Please find below some snaps:
Post a Comment
Read more

ATG Search troubleshooting tips

In this blog, I have listed some basic ATG Search troubleshooting tips in some general scenarios. 1. If the index did not deploy, consider the following possible causes : Is the DeployShare property configured @ /atg/search/routing/LaunchingService component ?  Is enough space available @ deployment share box for the index ?  Are the RMI ports configured correctly in the RoutingSystemService component ?  If the search engine application is running in a separate box, this application is invoked through a RemoteLauncher running in these boxes. Check whether these RemoteLaunchers are running in these boxes ? 2. If you have trouble in launching one or more search engines, try the following remedies: If the Search engine is standalone, set the /atg/search/routing/LaunchingService component’s engineDir property to the absolute path of the Search engine directory.  3. Search unavailable in the estore page, even when the SearchEngine is in "Running" st...
5 comments
Read more