My workspace

One of my few blog posts i have mentioned how to use and the use cases of using Oracle DataBase changed notification. When you have to need context search or count facts over your datas, you certainly need any modern Lucene based search engine. Elastic search is one of that search engine that can provide those above functionalities. However, from the previous versions of ES, elastic search river is deprecated to ingesting data to ES. Here you can get the whole history about deprecating river in ES. Any way, for now we have two option to ingest or import data from any sources to ES: 1) Implements or modify your DAO services, that can update data in ES and DataBase same time. 2) Polling, implements such a job, which will polling data in some period of time to update data in ES. First approach is the very best option to implements, however if you have any legacy DAO services or 3rd party application that you couldn't make any changes is not for you. Polling to data base frequentl...

Sooner or later every enterprise application needs full text search with their content. Slor, elasticsearch based on lucene are one the best candidate for developying enterprise search. Elasticsearch got very popularity with its simplicity, but out of box it dosen't support importing data from Cassandra cluster. However Elasticsearch provides river, a river is a pluggable service running within elasticsearch cluster pulling data (or being pushed with data) that is then indexed into the cluster. With a few search i have found a cassandra-river on github from ebay, unfortunatley, project was legeacy and only support Cassandra version 1.2*. With a few effort i rewrite the project with data stax cassandra driver. Here you can find the project, now it support the following features: 1) Cron scheduling; 2) Reading Cassandra rows through Paging; 3) Based on DataStax java driver 2.0; For quick installation, download the project from the Github. Build with maven: mvn clean install i...