Nov
01
2017
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Percona Server for MongoDB 3.2.17-3.8 Is Now Available

Percona Server for MongoDB 3.4

Percona Server for MongoDB 3.2Percona 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 MongoRocksPercona 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.

Oct
30
2017
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Percona XtraDB Cluster 5.7.19-29.22-3 is now available

Percona XtraDB Cluster 5.7

Percona XtraDB Cluster 5.7Percona announces the release of Percona XtraDB Cluster 5.7.19-29.22-3 on October 27, 2017. Binaries are available from the downloads section or our software repositories.

NOTE: You can also run Docker containers from the images in the Docker Hub repository.

Percona XtraDB Cluster 5.7.19-29.22-3 is now the current release, based on the following:

All Percona software is open-source and free.

Fixed Bugs

  • Added access checks for DDL commands to make sure they do not get replicated if they failed without proper permissions. Previously, when a user tried to perform certain DDL actions that failed locally due to lack of privileges, the command could still be replicated to other nodes, because access checks were performed after replication.This vulnerability is identified as CVE-2017-15365.

Help us improve our software quality by reporting any bugs you encounter using our bug tracking system. As always, thanks for your continued support of Percona!

Oct
30
2017
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Percona XtraDB Cluster 5.6.37-26.21-3 is Now Available

Percona XtraDB Cluster 5.7

Percona XtraDB Cluster 5.6.34-26.19Percona announces the release of Percona XtraDB Cluster 5.6.37-26.21-3 on October 27, 2017. Binaries are available from the downloads section or our software repositories.

Percona XtraDB Cluster 5.6.37-26.21-3 is now the current release, based on the following:

All Percona software is open-source and free.

Fixed Bugs

  • Added access checks for DDL commands to make sure they do not get replicated if they failed without proper permissions. Previously, when a user tried to perform certain DDL actions that failed locally due to lack of privileges, the command could still be replicated to other nodes, because access checks were performed after replication.This vulnerability is identified as CVE-2017-15365.

Help us improve our software quality by reporting any bugs you encounter using our bug tracking system. As always, thanks for your continued support of Percona!

Oct
26
2017
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Percona Server for MongoDB 3.4.9-2.9 is Now Available

Percona Server for MongoDB 3.4

Percona Server for MongoDB 3.4Percona announces the release of Percona Server for MongoDB 3.4.9-2.9 on October 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 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:

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

This release is based on MongoDB 3.4.9 and includes the following additional change:

  • Updated RocksDB to version 5.7.3
Sep
27
2017
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Percona Server for MongoDB 3.2.16-3.7 Is Now Available

Percona Server for MongoDB 3.2

Percona Server for MongoDB 3.2Percona 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 MongoRocksPercona 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.

Sep
22
2017
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Percona XtraDB Cluster 5.7.19-29.22 is now available

Percona XtraDB Cluster 5.7

Percona XtraDB Cluster 5.7Percona announces the release of Percona XtraDB Cluster 5.7.19-29.22 on September 22, 2017. Binaries are available from the downloads section or our software repositories.

NOTE: You can also run Docker containers from the images in the Docker Hub repository.

Percona XtraDB Cluster 5.7.19-29.22 is now the current release, based on the following:

All Percona software is open-source and free.

Upgrade Instructions

After you upgrade each node to Percona XtraDB Cluster 5.7.19-29.22, run the following command on one of the nodes:

$ mysql -uroot -p < /usr/share/mysql/pxc_cluster_view.sql

Then restart all nodes, one at a time:

$ sudo service mysql restart

New Features

  • Introduced the pxc_cluster_view table to get a unified view of the cluster. This table is exposed through the performance schema.

    mysql> select * from pxc_cluster_view;
    -----------------------------------------------------------------------------
    HOST_NAME  UUID                                  STATUS  LOCAL_INDEX  SEGMENT
    -----------------------------------------------------------------------------
    n1         b25bfd59-93ad-11e7-99c7-7b26c63037a2  DONOR   0            0
    n2         be7eae92-93ad-11e7-88d8-92f8234d6ce2  JOINER  1            0
    -----------------------------------------------------------------------------
    2 rows in set (0.01 sec)
  • PXC-803: Added support for new features in Percona XtraBackup 2.4.7:

    • wsrep_debug enables debug logging
    • encrypt_threads specifies the number of threads that XtraBackup should use for encrypting data (when encrypt=1). This value is passed using the --encrypt-threads option in XtraBackup.
    • backup_threads specifies the number of threads that XtraBackup should use to create backups. See the --parallel option in XtraBackup.

Improvements

  • PXC-835: Limited wsrep_node_name to 64 bytes.
  • PXC-846: Improved logging to report reason of IST failure.
  • PXC-851: Added version compatibility check during SST with XtraBackup:
    • If a donor is 5.6 and a joiner is 5.7: A warning is printed to perform mysql_upgrade.
    • If a donor is 5.7 and a joiner is 5.6: An error is printed and SST is rejected.

Fixed Bugs

  • PXC-825: Fixed script for SST with XtraBackup (wsrep_sst_xtrabackup-v2) to include the --defaults-group-suffix when logging to syslog. For more information, see #1559498.
  • PXC-826: Fixed multi-source replication to PXC node slave. For more information, see #1676464.
  • PXC-827: Fixed handling of different binlog names between donor and joiner nodes when GTID is enabled. For more information, see #1690398.
  • PXC-830: Rejected the RESET MASTER operation when wsrep provider is enabled and gtid_mode is set to ON. For more information, see #1249284.
  • PXC-833: Fixed connection failure handling during SST by making the donor retry connection to joiner every second for a maximum of 30 retries. For more information, see #1696273.
  • PXC-839: Fixed GTID inconsistency when setting gtid_next.
  • PXC-840: Fixed typo in alias for systemd configuration.
  • PXC-841: Added check to avoid replication of DDL if sql_log_bin is disabled. For more information, see #1706820.
  • PXC-842: Fixed deadlocks during Load Data Infile (LDI) with log-bin disabled by ensuring that a new transaction (of 10 000 rows) starts only after the previous one is committed by both wsrep and InnoDB. For more information, see #1706514.
  • PXC-843: Fixed situation where the joiner hangs after SST has failed by dropping all transactions in the receive queue. For more information, see #1707633.
  • PXC-853: Fixed cluster recovery by enabling wsrep_ready whenever nodes become PRIMARY.
  • PXC-862: Fixed script for SST with XtraBackup (wsrep_sst_xtrabackup-v2) to use the ssl-dhparams value from the configuration file.

Help us improve our software quality by reporting any bugs you encounter using our bug tracking system. As always, thanks for your continued support of Percona!

Sep
20
2017
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Percona XtraDB Cluster 5.6.37-26.21 is Now Available

Percona XtraDB Cluster 5.7

Percona XtraDB Cluster 5.6.34-26.19Percona announces the release of Percona XtraDB Cluster 5.6.37-26.21 on September 20, 2017. Binaries are available from the downloads section or our software repositories.

Percona XtraDB Cluster 5.6.37-26.21 is now the current release, based on the following:

All Percona software is open-source and free.

Improvements

  • PXC-851: Added version compatibility check during SST with XtraBackup:
    • If donor is 5.6 and joiner is 5.7: A warning is printed to perform mysql_upgrade.
    • If donor is 5.7 and joiner is 5.6: An error is printed and SST is rejected.

Fixed Bugs

  • PXC-825: Fixed script for SST with XtraBackup (wsrep_sst_xtrabackup-v2) to include the --defaults-group-suffix when logging to syslog. For more information, see #1559498.
  • PXC-827: Fixed handling of different binlog names between donor and joiner nodes when GTID is enabled. For more information, see #1690398.
  • PXC-830: Rejected the RESET MASTER operation when wsrep provider is enabled and gtid_mode is set to ON. For more information, see #1249284.
  • PXC-833: Fixed connection failure handling during SST by making the donor retry connection to joiner every second for a maximum of 30 retries. For more information, see #1696273.
  • PXC-841: Added check to avoid replication of DDL if sql_log_bin is disabled. For more information, see #1706820.
  • PXC-853: Fixed cluster recovery by enabling wsrep_ready whenever nodes become PRIMARY.
  • PXC-862: Fixed script for SST with XtraBackup (wsrep_sst_xtrabackup-v2) to use the ssl-dhparams value from the configuration file.

Help us improve our software quality by reporting any bugs you encounter using our bug tracking system. As always, thanks for your continued support of Percona!

Sep
14
2017
--

Percona Server for MongoDB 3.4.7-1.8 is Now Available

Percona Server for MongoDB 3.2

Percona Server for MongoDB 3.4Percona announces the release of Percona Server for MongoDB 3.4.7-1.8 on September 14, 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:

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

This release is based on MongoDB 3.4.7 and includes the following additional change:

  • Added packages for Debian 9 (“stretch”)
Sep
05
2017
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Webinar Wednesday, September 6, 2017: Percona Roadmap and Software News Update – Q3 2017

Percona Roadmap

Percona RoadmapCome and listen to Percona CEO Peter Zaitsev on Wednesday, September 6, 2017 at 10am PT / 1pm ET (UTC-7) discuss the Percona roadmap, as well as what’s new in Percona open source software.

 

During this webinar Peter will talk about newly released features in Percona software, show a few quick demos and share with you highlights from the Percona open source software roadmap. This discussion will cover Percona Server for MySQL and MongoDB, Percona XtraBackup, Percona Toolkit, Percona XtraDB Cluster and Percona Monitoring and Management.

Peter will also talk about new developments in Percona commercial services and finish with a Q&A.

Register for the webinar before seats fill up for this exciting webinar Wednesday, September 6, 2017 at 10am PT / 1pm ET (UTC-7).

Peter ZaitsevPeter Zaitsev, Percona CEO and Co-Founder

Peter Zaitsev co-founded Percona and assumed the role of CEO in 2006. As one of the foremost experts on MySQL strategy and optimization, Peter leveraged both his technical vision and entrepreneurial skills to grow Percona from a two-person shop to one of the most respected open source companies in the business. With over 140 professionals in 30+ countries, Peter’s venture now serves over 3000 customers – including the “who’s who” of internet giants, large enterprises and many exciting startups. Percona was named to the Inc. 5000 in 2013, 2014, 2015 and 2016. Peter was an early employee at MySQL AB, eventually leading the company’s High Performance Group. A serial entrepreneur, Peter co-founded his first startup while attending Moscow State University, where he majored in Computer Science. Peter is a co-author of High Performance MySQL: Optimization, Backups, and Replication, one of the most popular books on MySQL performance. Peter frequently speaks as an expert lecturer at MySQL and related conferences, and regularly posts on the Percona Database Performance Blog. Fortune and DZone have both tapped Peter as a contributor, and his recent ebook Practical MySQL Performance Optimization is one of percona.com’s most popular downloads.
Aug
31
2017
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Percona Server for MySQL 5.7.19-17 Is Now Available

Percona Server for MySQL 5.7.18-15

Percona Server for MySQL 5.6Percona announces the release of Percona Server for MySQL 5.7.19-17 on August 31, 2017. Download the latest version from the Percona web site or the Percona Software Repositories. You can also run Docker containers from the images in the Docker Hub repository.

Based on MySQL 5.7.19, and including all the bug fixes in it, Percona Server for MySQL 5.7.19-17 is now the current GA release in the Percona Server for MySQL 5.7 series. Percona Server for MySQL is open-source and free – this is the latest release of our enhanced, drop-in replacement for MySQL. Complete details of this release are available in the 5.7.19-17 milestone on Launchpad.

NOTE: Percona software no longer supports Red Hat Enterprise Linux 5 (including CentOS 5 and other derivatives), Ubuntu 12.04 and older versions. These platforms have reached end of life, won’t be updated and are not recommended for use in production.

 

New Features

  • Included the Percona MyRocks storage engine

    NOTE: MyRocks for Percona Server is currently experimental and not recommended for production deployments until further notice. You are encouraged to try it in a testing environment and provide feedback or report bugs.

  • #1708087: Added the mysql-helpers script to handle checking for missing datadir during startup. Also fixes #1635364.

Platform Support

  • Stopped providing packages for Ubuntu 12.04 due to its end of life.

Bugs Fixed

  • #1669414: Fixed handling of failure to set O_DIRECT on parallel doublewrite buffer file.
  • #1705729: Fixed the postinst script to correctly locate the datadir. Also fixes #1698019.
  • #1709811: Fixed yum upgrade to not enable the mysqld service if it was disabled before the upgrade.
  • #1709834: Fixed the mysqld_safe script to correctly locate the basedir.
  • Other fixes: #1698996#1706055#1706262#1706981

TokuDB Changes

  • TDB-70: Removed redundant fsync of TokuDB redo log during binlog group commit flush stage. This fixes issue that prevented TokuDB to run in reduced durability mode when the binlog was enabled.
  • TDB-72: Fixed issue when renaming a table with non-alphanumeric characters in its name.

Release notes for Percona Server for MySQL 5.7.19-17 are available in the online documentation. Please report any bugs on the launchpad bug tracker.

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