Percona XtraDB Cluster 8.0.19-10

• Date

  June 18, 2020

• Installation

  Installing Percona XtraDB Cluster

Percona XtraDB Cluster 8.0.19-10 includes all of the features and bug fixes available in Percona Server for MySQL. See the corresponding release notes for Percona Server for MySQL 8.0.19-10 for more details on these changes.

Improvements

• PXC-2189: Modify Reference Architecture for Percona XtraDB Cluster (PXC) to include ProxySQL

• PXC-3182: Modify processing to not allow writes on 8.0 nodes while 5.7 nodes are still on the cluster

• PXC-3187: Add dependency package installation note in PXC binary tarball installation doc.

• PXC-3138: Document mixed cluster write (PXC8 while PXC5.7 nodes are still part of the cluster) should not be completed.

• PXC-3066: Document that pxc-encrypt-cluster-traffic=OFF is not just about traffic encryption

• PXC-2993: Document the dangers of running with strict mode disabled and Group Replication at the same time

• PXC-2980: Modify Documentation to include AutoStart Up Process after Installation

• PXC-2604: Modify garbd processing to support Operator

Bugs Fixed

• PXC-3298: Correct galera_var_reject_queries test to remove display value width

• PXC-3320: Correction on PXC installation doc

• PXC-3270: Modify wsrep_ignore_apply_errors variable default to restore 5.x behavior

• PXC-3179: Correct replication of CREATE USER … RANDOM PASSWORD

• PXC-3080: Modify to process the ROTATE_LOG_EVENT synchronously to perform proper cleanup

• PXC-2935: Remove incorrect assertion when –thread_handling=pool-of-threads is used

• PXC-2500: Modify ALTER USER processing when executing thread is Galera applier thread to correct assertion

• PXC-3234: Correct documentation link in spec file

• PXC-3204: Modify to set wsrep_protocol_version correctly when wsrep_auto_increment_control is disabled

• PXC-3189: Correct SST processing for super_read_only

• PXC-3184: Modify startup to correct crash when socat not found and SST Fails

• PXC-3169: Modify wsrep_reject_queries to enhance error messaging

• PXC-3165: Allow COM_FIELD_LIST to be executed when WSREP is not ready

• PXC-3145: Modify to end mysqld process when the joiner fails during an SST

• PXC-3043: Update required donor version to PXC 5.7.28 (previously was Known Issue)

• PXC-3036: Document correct method for starting, stopping, bootstrapping

• PXC-3287: Correct link displayed on help client command

• PXC-3031: Modify processing for garbd to prevent issues when multiple requests are started at approximately the same time and request an SST transfers to prevent SST from hanging

Known Issues

• PXC-3039: No useful error messages if an SSL-disabled node tries to join SSL-enabled cluster

• PXC-3092: Abort startup if keyring is specified but cluster traffic encryption is turned off

• PXC-3093: Garbd logs Completed SST Transfer Incorrectly (Timing is not correct)

• PXC-3159: Killing the Donor or Connection lost during SST Process Leaves Joiner Hanging

Contact us

For free technical help, visit the Percona Community Forum.

To report bugs or submit feature requests, open a JIRA ticket.

For paid support and managed or consulting services , contact Percona Sales.

---

Last update: 2022-08-24