Comparison of SOLR MongoDB

1. The SOLR field is written to death.

2 SOLR advantages: fuzzy query of large text, MongoDB also supports regular query and js-like syntaxCodeStatement Query

3 MongoDB already supports local updates and an upsert. The SOLR will be updated first, and will be overwritten directly if not.

4. mongdb supports batch update. 4. Many mongdb tools, real-time monitoring of mongodstat, support for hot backup, hot recovery mongodump, and mongorestore. It also provides lock Command Control and role security control.

Nosql writes memory first, and then regularly writes data to disks. High-Efficiency random Io 1 downtime problem: log record, NRW network memory backup

Bloom-FilterAlgorithm, Bigtable, or its open-source version cassandra