This release is the current GA (Generally Available) stable release in the 2.1 series.
Due to incorrect usage of posix_fadvise() hints, Percona XtraBackup discarded read-ahead buffers which resulted in higher I/O rate on the backup stage. Bug fixed #1093385.
A spurious warning message could cause issues with third-party wrapper scripts. Bug fixed #1271956.
Preparing backups of MySQL or Percona Server 5.6 could raise an assertion failure in Percona XtraBackup. Bug fixed #1273468.
The downtime is decreased when the innobackupex --safe-slave-backup option is used to backup a replication slave. The SQL thread is now started before a temporary copy of redo log is streamed into the final location. Bug fixed #1284778.
Disabled the “binary version check” functionality in the VersionCheck module due to security concerns. Bug fixed #1285166.
Other bugs fixed: #1284078.
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