If you need a full text search engine, thinking sphinx is a great solution. The release notes in particular are quite good at covering breaking changes and more details for new features. The common approach around this issue, used by thinking sphinx, is the delta index an index that tracks just the changed documents. Sphinx is a very fast search engine that indexes data and provides flexible ways of searching it. Delta index could then be reindexed very frequently, and the documents can be made. Manage delta indexes via datetime columns for thinking sphinx. Delta indexing is way of designing indexes so only the updated data is read from db and indexed by sphinx. Free opensource sql fulltext search engine an acronym for sql phrase index developed by andrew aksyonoff. Your edit is correct deltas are only fired via activerecord callbacks, so if youre not editingadding objects through the standard activerecord workflow, sphinx.
Improving performance of mysql, thinking sphinx in a. Contribute to pattssidekiqdelta development by creating an account on github. Contribute to agibralterts resque delta development by creating an account on github. Add a delta column with a database index to your model. Delta indexing not working with thinking sphinx stack overflow. Because this index is much smaller, it is superfast to index. If youve never used delta indexes before, youll want to add the boolean.
Is there a way to specify in the beginning of the task to turn delta indexing off. Thinking sphinx is a library for connecting activerecord to the sphinx fulltext search tool, and integrates closely with rails but also works with other ruby web frameworks. To set this up in your web application, you need to do 3 things. How can i temporarily disable delta indexing with thinking. Please refer to the changelog and release notes for any changes you need to make when upgrading. Delta indexes and merging thinking sphinx pat allan. To index your data, you can run the following rake task. This task, instead of locking all the delta indexes at once while the main indexer runs, will lock each delta index independently and sequentially. I am running a big migration and would like to disable delta indexing so it runs much faster. Sphinx crashing when delta indexed in parallel randomly. Thinking sphinx allows you to link up your models into. The main issue is that when this problem occur, the main index remains empty. As posts are rarely updated and only new ones are added, so there is no point of indexing from scratch again and again. Delta indexing implementation with sphinx search qavi.