CouchConf Tokyo DOCOMO Innovations Lunchtime Lightning Talk (English)

CouchConf Tokyo Lightning Talk Comparison of Couchbase, MongoDB and Cassandra 2012/01/27 DOCOMO Innovations, Inc. Credit: James Phillips, Couchbase, Inc.Copyright © 2012 DOCOMO Innovations, Inc. All Rights Reserved. 1

Cassandra • Pros - Optimized to write very rapidly (+ cache) - Real-time vs Analytics: More suitable for analytics - Can add many nodes but re-write in-memory and database file • Cons - Complex design for app developers - Read vs Write – Cassandra’s Read: Always complex - Column collection - SchemableCopyright © 2012 DOCOMO Innovations, Inc. All Rights Reserved. 3

MongoDB • Pros - Really competing (rather than Cassandra, for Couch) - Easy to use - Ad-hoc Query approach for beginner developers • Cons - Hard to do data moving (to another database) by sharding - Couch thinks Ad-hoc Query capability is more important - Couch is trying to fill the gap in MongoDBCopyright © 2012 DOCOMO Innovations, Inc. All Rights Reserved. 4

Couchbase vs. MongoDB • Object Handling in Memory - Mongo: Mongo has OS memory-mapped tech but In-memory only → page fault - Couch: In-memory + database file Re-cache - scheduled • Power Failure - Mongo: While flushing memory to disk - Couch: Transaction completing → Commit, crash-only architecture – saferCopyright © 2012 DOCOMO Innovations, Inc. All Rights Reserved. 5

Couchbase, Mongo and Cassandra • Performance - Mongo: Object write data into memory, MRU mechanism - Couch: Caching gracefully: Memory mapping object / Memory managed object tech - Cassandra: Write throughput is faster • Big Data Analysis vs Big User Data - 1) How do we analyze big data? (Cassandra) - 2) How do we build application? (Couch) • Geo - Mongo: Mongo w/ API is better than GeocouchCopyright © 2012 DOCOMO Innovations, Inc. All Rights Reserved. 6

Thank You "Coming together is a beginning, keeping together is a progress; working together is a success.“ - Henry Ford Yas Naoi naoi@docomoinnovations.com +1-408-256-0855 Twitter: @yasCopyright © 2012 DOCOMO Innovations, Inc. All Rights Reserved. 7

CouchConf Tokyo DOCOMO Innovations Lunchtime Lightning Talk (English)

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