This release is based on MySQL 5.7.21 and includes all the bug fixes in it. Percona Server 5.7.21-20 is now the current GA (Generally Available) release in the 5.7 series. All software developed by Percona is open-source and free.
version_suffixallows to change suffix for the Percona Server version string returned by the read-only
version_commentis converted from a global read-only to a global read-write variable.
keyring_vault_timeoutvariable allows to set the amount of seconds for the Vault server connection timeout. Bug fixed #298.
5.6.38-83.0) and on MacOS (caused by fixing the bug #264 in Percona Server
5.7.20-19). Bugs fixed #2284 and #2286.
encrypt_binlogwith no binary or relay logging enabled. Bug fixed #287.
IMPORT TABLESPACEcommand. Bug fixed #276.
This release also contains fixes for the following CVE issues: CVE-2018-2565, CVE-2018-2573, CVE-2018-2576, CVE-2018-2583, CVE-2018-2586, CVE-2018-2590, CVE-2018-2612, CVE-2018-2600, CVE-2018-2622, CVE-2018-2640, CVE-2018-2645, CVE-2018-2646, CVE-2018-2647, CVE-2018-2665, CVE-2018-2667, CVE-2018-2668, CVE-2018-2696, CVE-2018-2703, CVE-2017-3737.
rocksdb_allow_to_start_after_corruptionvariable can be passed to
mysqldas a command line parameter to switch off this restart failure.
ALLOW_NO_SSE42was introduced to allow MyRocks build on hosts not supporting SSE 4.2 instructions set, which makes MyRocks usable without FastCRC32-capable hardware. Bug fixed MYR-207.
rocksdb_wal_bytes_per_syncvariables were turned into dynamic ones.
rocksdb_flush_memtable_on_analyzevariable has been removed.
rocksdb_concurrent_prepareis now deprecated, as it has been renamed in upstream to
rocksdb_row_lock_wait_timeoutsglobal status counters were added to track the number of deadlocks and the number of row lock wait timeouts.
For general inquiries about our open source software and database management tools, please send us your question and someone will contact you.