PerconaXtraDBCluster5.5.37-25.10isnowavailable _ MySQL

Release-25.10 isnowavailable Percona is gglad to announce the release ofPercona XtraDB Cluster5.5.37-25.10 on May 8, 2014. Binaries are available from thedownloads areaor from oursoftware repositories.

Based onPercona Server 5.5.37-35.0 including all the bug fixes in it, Galera Replicator 2.10 (including fixes in2.9and2.10milestones) and on wsrep API 25.10 (includfixes in 25.10 ),Percona XtraDB Cluster5.5.37-25.10is now the current stable release. All of Percona's software is open-source and free.

New Features:

• Percona XtraDB ClusterNow supports stream compression/decompression with new xtrabackup-sstcompressor/decompressoroptions.
• GarbdInit script and configuration files have been packagedCentOSAndDebian, In addition, inDebiangarbdIs packaged separately inpercona-xtradb-cluster-garbd-2.xPackage.
• New meta packages are now available in order to makePercona XtraDB ClusterInstallationeasier.
• Debian/UbuntuDebug packages are now available for Galera and garbd.
• New SST options have been implemented: inno-backup-opts, inno-apply-opts, inno-move-optswhich pass options to backup, apply and move stagesinnobackupex.
• Initial retriable timeout, of 100 seconds, to receive a first packet via SST has been implemented, so that if donor dies somewhere in between, joiner doesn't hang. timeout can be configured with thesst-initial-timeoutvariable.
• The joiner wocould wait and not fall back to choosing other potential donor nodes (not listed inwsrep_sst_donor) by their state. this happened even when comma was added at the end. this fixes it for that participant case.
• Support for Query Cache has been implemented.
• Percona XtraDB Cluster packages are now available for Ubuntu 14.04.

Bugs Fixed:

• To avoid disabling Parallel Apply in caseSAVEPOINTOrROLLBACK TO SAVEPOINTThewsrep_cert_deps_distancewas set1.0At all times. Bug fixed #1277703.
• First connection wocould hang after changing thewsrep_cluster_addressvariable. Bug fixed #1022250.
• Whengmcast.listen_addrVariable was set manually it did not allow node's own address ingcommAddress list. Bug fixed #1099478.
• wsrep_sst_rsyncWocould silently fail on joiner whenrsyncServer port was already taken. Bug fixed #1099783.
• Server wocould segfault onINSERT DELAYEDWithwsrep_replicate_myisamset todue to unchecked dereferenceNULLPointer. Bug fixed #1165958.
• Whengrastate.datFile was not getting zeroed appropriately it wocould lead to RBR error during the IST. Bug fixed #1180791.
• Due toProvides:Line inPercona XtraDB Cluster(Which providesPercona-Server-server), The commandyum install Percona-Server-serverWocould installPercona XtraDB ClusterInstead of the expectedPercona Server. Bug fixed #1201499.
• Replication of partition tables without binlogging enabled failed, partition truncation didn't work because of lack of TO isolation there. Bug fixed #1219605.
• Exception during group merge after partitioning event has been fixed. Bug fixed #1232747.
• Default valuebinlog_formatIs nowROW. This is done so thatPercona XtraDB ClusterIs not started with wrong defaults leading to non-deterministic outcomes like crash. Bug fixed #1243228.
• CREATE TABLE AS SELECTWas not replicated, if the select result set was empty. Bug fixed #1246921.
• INSERTWocould return deadlock instead of duplicate key on secondary unique key collision. Bug fixed #1255147.
• Joiner node wocould not initialize storage engines ifrsyncWas used for SST and the first view was non-primary. Bug fixed #1257341.
• Table level lock conflict resolving was releasing the wrong lock. Bug fixed #1257678.
• Resolved the perl dependencies neededPercona XtraDB Cluster5.5. Bug fixed #1258563.
• Obsolete dependencies have been removed fromPercona XtraDB Cluster. Bug fixed #1259256.
• GCache file allocation cocould fail if file size was a multiple of page size. Bug fixed #1259952.
• Percona XtraDB ClusterDidn't validate the parameters ofwsrep_provider_optionswhen starting it up. Bug fixed #1260193.
• Runtime checks have been added for dynamic variables which are Galera incompatible. Bug fixed #1262188.
• Node wocould get stuck and required restart if DDL was completed Med afterFLUSH TABLES WITH READ LOCK. Bug fixed #1265656.
• Xtrabackup-v2is now used as default SST method inwsrep_sst_method. Bug fixed #1268837.
• FLUSH TABLES WITH READ LOCKBehavior on the same connection was changed to conformMySQLBehavior. Bug fixed #1269085.
• Read-only detection has been added inclustercheck, Which can be helpful during major upgrades (this is usedxinetdForHAProxyEtc.) Bug fixed #1269469.
• Binary log directory is now being cleanup as part of the XtraBackup SST. Bug fixed #1273368.
• Deadlock wowould happen whenNULLUnique key was inserted. Workaround has been implemented to supportNULLKeys, by usingmd5Sum of full row as key value. Bug fixed #1276424.

This release contains almost 100 fixed bugs, complete list of fixed bugs can be found in ourrelease notes.

Please see the5.5.37-25.10 releases notesfor complete details on all of the new features and bug fixes. help us improve quality by reporting any bugs you encounter using ourbug tracking system. as always, thanks for your continued support of Percona!

Percona XtraDB ClusterErratacan be found in our documentation.