Percona Server for MongoDB is an enhanced, open source, fully compatible, highly-scalable, zero-maintenance downtime database supporting the MongoDB v3.4 protocol and drivers. It extends MongoDB with Percona Memory Engine and MongoRocks storage engine, as well as several enterprise-grade features:
Profiling Rate Limiting
Percona Server for MongoDB requires no changes to MongoDB applications or code.
This release is based on MongoDB 3.4.4 and includes the following additional changes:
#PSMDB-122: Added the percona-server-mongodb-enable-auth.sh script to binary tarball.
#PSMDB-127: Fixed cleanup of deleted documents and indexes for MongoRocks. When you upgrade to this release, deferred compaction may occur and cause database size to decrease significantly.
#PSMDB-133: Added the wiredTigerCheckpointSizeMB variable, set to 1000 in the configration template for WiredTiger. Valid values are 32 to 2048 (2GB), with the latter being default.
#PSMDB-138: Implemented SERVER-23418 for MongoRocks.
Percona Server for MongoDB 3.4.4-1.4 release notes are available in the official documentation.