Percona Server 5.6.42-84.2¶

Percona is glad to announce the release of Percona Server 5.6.42-84.2 on November 29, 2018 (Downloads are available here and from the Percona Software Repositories).

Based on MySQL 5.6.42, including all the bug fixes in it, Percona Server 5.6.42-84.2 is the current GA release in the Percona Server 5.6 series. All of Percona‘s software is open-source and free.

Improvements¶

#4790: Improve user statistics accuracy

Other improvements

#4881: Add LLVM/clang 7 to Travis-CI

Bugs Fixed¶

Slave replication could break if upstream bug #74145 (FLUSH LOGS improperly disables the logging if the log file cannot be accessed) occurred in master. Bug fixed #1017 (Upstream #83232).
The binary log could be corrupted when the disk partition used for temporary. files (tmpdir system variable) had little free space. Bug fixed #1107 (Upstream #72457).
PURGE CHANGED_PAGE_BITMAPS did not work when the innodb_data_home_dir system variable was used. Bug fixed #4723.
Setting the tokudb_last_lock_timeout variable via command line could cause server to stop working when the actual timeout took place. Bug fixed #4943.
Dropping TokuDB table with non-alphanumeric characters could lead to a crash. Bug fixed #4979.

Other bugs fixed

#4781: sql_yacc.yy uses SQLCOM_SELECT instead of SQLCOM_SHOW_XXXX_STATS
#4529: MTR: index_merge_rocksdb2 inadvertently tests InnoDB instead of MyRocks
#4746: Revert our fix for PS-3851 (Percona Ver 5.6.39-83.1 Failing assertion: sym_node->table != NULL)
#4773: Percona Server sources can’t be compiled without server
#4785: Setting version_suffix to NULL leads to handle_fatal_signal (sig=11) in Sys_var_version::global_value_ptr
#4813: Using flush_caches leads to SELinux denial errors

Find the release notes for Percona Server for MySQL 5.6.42-84.2 in our online documentation. Report bugs in the Jira bug tracker.

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