| Title | Remarks |
|---|---|
| Based on Apache Lucene | Search-DBs are based on Apache Lucene - a text-search engine. |
| Used for derived data | Search-DBs don't provide 100% durability, hence it should be used for derived data and not as primary source of truth |
| Tokenizer | Read more |
| Indices containing documents | Indices is like tables, documents like rows in Search-DBs. |
| Inverted Index | Read more |
| Service |
|---|
| Elastic Search |
| Apache Solr |
| New Relic - Logs Analysis |
| MongoDB Atlas Search |
| Use Case | Remarks |
|---|---|
| Search - Full-text, Partial etc. | Application search |
| Logs-analysis | Since data is indexed in Lucene, hence logs analysis is fast in Lucene. |
| Dashboard, Visualize data, Metrics etc. | Since data aggregation is fast in Lucene, hence data visualization is quick in Lucene. |