Personal blog of Yzmir Ramirez

Join Percona’s, CTO, Vadim Tkachenko as he presents Gain a MongoDB Advantage with the Percona Memory Engine on Wednesday, December 6, 2017, at 11:00 am PST / 2:00 pm EST (UTC-8).

Experience: Entry Level to Intermediate

Tags: Developer, DBAs, Operations

Looking for the performance of Redis or Memcache, the expressiveness of the MongoDB query language and simple high availability and sharding? Percona Memory Engine, available as part of Percona Server for MongoDB, has it all!

In this webinar, Vadim explains the architecture of the MongoDB In-Memory storage engine. He’ll also show some benchmarks compared to disk-based storage engines and other in-memory technologies.

Vadim will share specific use cases where Percona Memory Engine for MongoDB excels, such as:

• Caching documents
• Highly volatile data
• Workloads with predictable response time requirements

Register for the webinar now.

Vadim Tkachenko, CTO

Vadim Tkachenko co-founded Percona in 2006 and serves as its Chief Technology Officer. Vadim leads Percona Labs, which focuses on technology research and performance evaluations of Percona’s and third-party products. Percona Labs designs no-gimmick tests of hardware, filesystems, storage engines, and databases that surpass the standard performance and functionality scenario benchmarks. Vadim’s expertise in LAMP performance and multi-threaded programming help optimize MySQL and InnoDB internals to take full advantage of modern hardware. Oracle Corporation and its predecessors have incorporated Vadim’s source code patches into the mainstream MySQL and InnoDB products. He also co-authored the book High-Performance MySQL: Optimization, Backups, and Replication 3rd Edition. Previously, he founded a web development company in his native Ukraine and spent two years in the High-Performance Group within the official MySQL support team. Vadim received a BS in Economics and an MS in computer science from the National Technical University of Ukraine.

Percona announces the release of Percona Server for MongoDB 3.2.17-3.8 on October 31, 2017. Download the latest version from the Percona web site or the Percona Software Repositories.

Percona Server for MongoDB is an enhanced, open-source, fully compatible, highly scalable, zero-maintenance downtime database that supports the MongoDB v3.2 protocol and drivers. It extends MongoDB with MongoRocks, Percona Memory Engine and PerconaFT storage engine, as well as enterprise-grade features like External Authentication, Audit Logging, Profiling Rate Limiting, and Hot Backup at no extra cost. The software requires no changes to MongoDB applications or code.

NOTE: The PerconaFT storage engine is deprecated as of 3.2. It is no longer supported and isn’t available in higher version releases.

This release is based on MongoDB 3.2.17 and does not include any additional changes.

The Percona Server for MongoDB 3.2.17-3.8 release notes are available in the official documentation.

Percona announces the release of Percona Server for MongoDB 3.2.16-3.7 on September 27, 2017. Download the latest version from the Percona web site or the Percona Software Repositories.

Percona Server for MongoDB is an enhanced, open-source, fully compatible, highly scalable, zero-maintenance downtime database that supports the MongoDB v3.2 protocol and drivers. It extends MongoDB with MongoRocks, Percona Memory Engine and PerconaFT storage engine, as well as enterprise-grade features like External Authentication, Audit Logging, Profiling Rate Limiting, and Hot Backup at no extra cost. The software requires no changes to MongoDB applications or code.

NOTE: The PerconaFT storage engine is deprecated as of 3.4. It is no longer supported and isn’t available in higher version releases.

This release is based on MongoDB 3.2.16 and includes the following additional changes:

• #PSMDB-164: Fixed MongoRocks failure to repair if database metadata is inconsistent with dropped collections and indexes.
• Added packages for Debian 9 (“stretch”).

The Percona Server for MongoDB 3.2.16-3.7 release notes are available in the official documentation.

Percona announces the release of Percona Server for MongoDB 3.2.15-3.5 on July 26, 2017. Download the latest version from the Percona web site or the Percona Software Repositories.

Percona Server for MongoDB is an enhanced, open-source, fully compatible, highly scalable, zero-maintenance downtime database that supports the MongoDB v3.2 protocol and drivers. It extends MongoDB with MongoRocks, Percona Memory Engine, and PerconaFT storage engine, as well as enterprise-grade features like External Authentication, Audit Logging, Profiling Rate Limiting, and Hot Backup at no extra cost. The software requires no changes to MongoDB applications or code.

NOTE: We deprecated the PerconaFT storage engine. It will not be available in future releases.

This release is based on MongoDB 3.2.15 and does not include any additional changes.

Percona Server for MongoDB 3.2.15-3.5 release notes are available in the official documentation.

Percona announces the release of Percona Server for MongoDB 3.2.14-3.4 on July 17, 2017. Download the latest version from the Percona web site or the Percona Software Repositories.

Percona Server for MongoDB is an enhanced, open-source, fully compatible, highly scalable, zero-maintenance downtime database that supports the MongoDB v3.2 protocol and drivers. It extends MongoDB with MongoRocks, Percona Memory Engine, and PerconaFT storage engine, as well as enterprise-grade features like External Authentication, Audit Logging, Profiling Rate Limiting, and Hot Backup at no extra cost. Percona Server for MongoDB requires no changes to MongoDB applications or code.

NOTE: This release deprecates the PerconaFT storage engine. It will not be available in future releases.

This release is based on MongoDB 3.2.14 and includes the following additional changes:

Percona Server for MongoDB 3.2.14-3.4 release notes are available in the official documentation.

Percona announces the release of Percona Server for MongoDB 3.2.13-3.3 on May 15, 2017. Download the latest version from the Percona web site or the Percona Software Repositories.

Percona Server for MongoDB is an enhanced, open-source, fully compatible, highly scalable, zero-maintenance downtime database supporting the MongoDB v3.2 protocol and drivers. It extends MongoDB with MongoRocks, Percona Memory Engine, and PerconaFT storage engine, as well as enterprise-grade features like External Authentication, Audit Logging, Profiling Rate Limiting, and Hot Backup at no extra cost. Percona Server for MongoDB requires no changes to MongoDB applications or code.

NOTE: We deprecated the PerconaFT storage engine. It will not be available in future releases.

This release is based on MongoDB 3.2.13 and includes the following additional changes:

• #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 configuration 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 3.2.13-3.3 release notes are available in the official documentation.

Percona announces the release of Percona Server for MongoDB 3.4.4-1.4 on May 9, 2017. Download the latest version from the Percona web site or the Percona Software Repositories.

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:

• External Authentication
• Audit Logging
• Profiling Rate Limiting
• Hot Backup
• Log Redaction

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.

Percona announces the release of Percona Server for MongoDB 3.4.3-1.3 on April 6, 2017. Download the latest version from the Percona web site or the Percona Software Repositories.

Percona Server for MongoDB 3.4.3-1.3

Percona Server for MongoDB 3.4.3-1.3 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:

• External Authentication
• Audit Logging
• Profiling Rate Limiting
• Hot Backup
• Log Redaction

Percona Server for MongoDB requires no changes to MongoDB applications or code.

This release candidate is based on MongoDB 3.4.3 and includes the following additional changes:

• #PSMDB-123: Fixed Hot Backup to create proper subdirectories in the destination directory.
• #PSMDB-126: Added index and collection names to duplicate key error message.

Percona Server for MongoDB 3.4.3-1.3 release notes are available in the official documentation.

Percona announces the release of Percona Server for MongoDB 3.2.12-3.2 on March 9, 2017. Download the latest version from the Percona web site or the Percona Software Repositories.

Percona Server for MongoDB 3.2.11-3.1 is an enhanced, open-source, fully compatible, highly scalable, zero-maintenance downtime database supporting the MongoDB v3.2 protocol and drivers. It extends MongoDB with MongoRocks, Percona Memory Engine, and PerconaFT storage engine, as well as enterprise-grade features like External Authentication, Audit Logging, Profiling Rate Limiting, and Hot Backup at no extra cost. Percona Server for MongoDB requires no changes to MongoDB applications or code.

NOTE: We deprecated the PerconaFT storage engine. It will not be available in future releases.

This release is based on MongoDB 3.2.12 and includes the following additional changes:

• PSMDB-17: Changed welcome message in the shell to mention Percona Server for MongoDB instead of MongoDB
• PSMDB-90: Added error message for storage engines that do not support Hot Backup
• PSMDB-91: Deprecated audit configuration section and added auditLog instead
• PSMDB-95: Fixed version dependencies for sub packages so that all corresponding packages get updated accordingly
• PSMDB-96: Excluded diagnostic.data directory when using TokuBackup with PerconaFT
• PSMDB-98: Improved Hot Backup to create destination folder if it does not exist
• PSMDB-101: Implemented the auditAuthorizationSuccess parameter to enable auditing of authorization success
• PSMDB-104: Updated links in client shell output to point to Percona’s documentation and forum
• PSMDB-107: Fixed behavior when creating the audit log file
• PSMDB-111: Refactored external_auth tests
• PSMDB-123: Fixed the creation of proper subdirectories inside the backup destination directory
• PSMDB-126: Added index and collection name to duplicate key error message
• Fixed startup scripts for Ubuntu 14.04.5 LTS (Trusty Tahr)
• Fixed a number of other small issues and bugs

Percona Server for MongoDB 3.2.12-3.2 release notes are available in the official documentation.

Percona announces the release of Percona Server for MongoDB 3.4.1-1.1rc on February 6, 2017. It is the first release candidate in the 3.4 series. Download the latest version from the Percona web site or the Percona Software Repositories.

NOTE: Release candidate packages are available from the testing repository.

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:

• External Authentication
• Audit Logging
• Profiling Rate Limiting
• Hot Backup

Percona Server for MongoDB requires no changes to MongoDB applications or code.

This release candidate is based on MongoDB 3.4.1, and includes the following additional changes:

• PSMDB-106: Implemented Log Redaction to mask sensitive data
• PSMDB-108: Included a script for automatic authentication setup (/usr/bin/percona-server-mongodb-enable-auth.sh)
• Changed default value for storage.rocksdb.counters (the --rocksdbCounters option) from false to true
• Updated MongoRocks to RocksDB version 4.13.5

Percona Server for MongoDB 3.4.1-1.1rc release notes are available in the official documentation.