Percona XtraBackup 2.1.8

Percona is glad to announce the release of Percona XtraBackup 2.1.8 on March 6th 2014. Downloads are available from our download site here and Percona Software Repositories.

This release is the current GA (Generally Available) stable release in the 2.1 series.

Bugs Fixed

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.

Spurious trailing data blocks that would normally be ignored by InnoDB could lead to an assertion failure on the backup stage. Bug fixed #1177201.

A spurious warning message could cause issues with third-party wrapper scripts. Bug fixed #1271956.

xbcrypt could fail with the xbcrypt:xb_crypt_read_chunk: unable to read chunk iv size at offset error under some circumstances. Bug fixed #1273196.

xbstream could sometimes hang when extracting a broken or incomplete input stream. Bug fixed #1273207.

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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