PerconaXtraBackup2.1.9isnowavailable_MySQL

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This release is the current GA (Generally Available) stable release in the 2.1 series.Percona XtraBackupis an open source, freeMySQLhot backup software that performs non-blocking backups forInnoDBandXtraDBdatabases.Percona XtraBackupis an open source, freeMySQLhot backup software that performs non-blocking backups forInnoDBandXtraDBdatabases.

New Features

• Percona XtraBackuphas now been rebased onMySQL5.6.17.
• Percona XtraBackuppackage is now available forUbuntu14.04.

Bugs Fixed

• Percona XtraBackupcouldn’t be built withBison3.0. Bug fixed#1262439.
• The xtrabackup binaries now recognize a newmy.cnfoption,open_files_limit. The effect is the same as for the server: it changes the maximum number of file descriptors available to the xtrabackup process. The actual limit depends on the platform andulimitsettings. Bug fixed#1183793.
• If a remoteInnoDBtablespace gotCREATEd orALTERed during the backup, an attempt to prepare such a backup later would lead toPercona XtraBackupcrash. Bug fixed#1291299.
• Code in bothinnobackupexandxtrabackup, that was supposed to make sure no child processes are left running in caseinnobackupexgot killed or failed with an error, relied on the fact theSIGTERMandSIGINTsignals were not blocked by thextrabackupprocess. However, bothSIGTERMandSIGINTmight be blocked by the process that had invokedinnobackupex, for example, by thePercona XtraDB Clusterserver processes doing an SST, in which case they were also blocked by the xtrabackup process, since the signal mask is inherited by child processes. Fixed by replacingSIGTERMin innobackupex andSIGINTin xtrabackup auto-termination withSIGKILL. Bug fixed#1294782.
• A new table flag in theInnoDBdata dictionary, introduced inMySQL5.6.16, wasn’t recognized byPercona XtraBackupwhich lead to “InnoDB: in InnoDB data dictionary has unknown flags 50.” warnings. Fixed by rebasingPercona XtraBackuponMySQL5.6.17. Bug fixed#1302882.

Release notes with all the bugfixes forPercona XtraBackup 2.1.9 are available in ouronline documentation. All ofPercona‘s software is open source and free, all the details of the release can be found in the2.1.9 milestoneat Launchpad. Bugs can be reported on thelaunchpad bug tracker.

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