dataStore = dataStoreFactory.getDataStore(dataConfig.getHandlerName());
            if (dataStore == null) {
                logger.error("DataStore({}) is not found.", dataConfig.getHandlerName());
            } else {
                try {
                    dataStore.store(dataConfig, indexUpdateCallback, initParamMap);

- **Elasticsearch / OpenSearch** - Direct data migration via bulk APIs
- **Apache Solr** - Document import via REST API
- **Database Systems** - Direct connection via DataStore plugins
- **File Systems** - SMB, FTP, local file crawling
- **Custom Systems** - REST API for bulk document indexing

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## Pre-Migration Planning

### 1. Assessment Phase