… (based on gcomm://node1 of node2) through Xtrabackup SST (state snapshot transfer). Node3 subsequently joins the cluster with node1 and node2 in… a node has been down for a while and IST (incremental state transfer) is not feasible. It also helps when node data integrity…
Post: Percona XtraDB Cluster (PXC) in the real world: Share your use cases!
June 17, 2013 By Leave a Comment
Post: Percona XtraBackup 2.1.3 for MySQL available for download
May 22, 2013 By 3 Comments
…Fixed: Percona XtraBackup 2.1.2 would hang when performing State Snapshot Transfer. Bug fixed #1182698. Release notes with all the bugfixes…Server, MySQL, MariaDB, and Drizzle. It performs streaming, compressed, and incremental MySQL backups. Percona’s enterprise-grade commercial MySQL Support …
Post: Feature in details: Incremental state transfer after a node crash in Percona XtraDB Cluster
January 31, 2013 By 2 Comments
… node and bring it back to the cluster with an incremental transfer after a crash. This feature was available even in previous… 23:01:56 [Note] WSREP: State transfer required: Group state: 50176f05-69b5-11e2-0800-930817fe924a:8549242 Local state: 50176f05-69b5-11e2-0800-930817fe924a:8549230…
Comment: Percona XtraDB Cluster Feature 2: Multi-Master replication
April 1, 2012 By 22 Comments
… replication works fine. We are concern of the possibility that incremental state transfer is not working. Does it mean that the cluster copies…: Failed to prepare for incremental state transfer: Local state UUID (00000000-0000-0000-0000-000000000000) does not match group state UUID (8630f2a8-7be8-11e1-0800…
Post: Percona XtraDB Cluster reference architecture with HaProxy
June 20, 2012 By 63 Comments
… 13:20:17 [Note] WSREP: State transfer required: Group state: 77c9da88-b965-11e1-0800-ea53b7b12451:97 Local state: 00000000-0000-0000-0000-000000000000:-1…: Failed to prepare for incremental state transfer: Local state UUID (00000000-0000-0000-0000-000000000000) does not match group state UUID (77c9da88-b965-11e1-0800…
Post: Percona XtraDB Cluster Feature 1: High Availability
January 17, 2012 By 20 Comments
… that Node may use when it joins the cluster: State Snapshot Transfer (SST) and Incremental State Transfer (IST). SST is the full copy if data… able to transfer part of this cache. Obviously IST can be done only if amount of changes needed to transfer is less than N. If it exceeds N, then the joining node has to perform SST. You can monitor current state…
Post: Avoiding SST when adding new Percona XtraDB Cluster node
August 2, 2012 By Leave a Comment
… new Percona XtraDB Cluster node. They want this to avoid State Snapshot Transfer that could slow down the donor (depending of the… backup until the restore to be able to perform the Incremental State Transfer (IST) gcache.size cannot be changed during runtime but needs… 23-27 120802 13:05:15 [Note] WSREP: 0 (percona2): State transfer to 1 (percona1) complete. PS1: you can change the size…
Post: Percona XtraDB Cluster - installation and setup webinar follow up Q&A
October 28, 2012 By 4 Comments
… back online, you have to perform a state transfer, which can be IST (Incremental State Transfer) and SST (Snapshot State Transfer). If the node has recent enough…
Comment: State of the art: Galera - synchronous replication for InnoDB
October 28, 2009 By 15 Comments
… “shut down”, it is just blocked for the duration of state snapshot transfer. This first implementation is using mysqldump which is slow… to add state transfer modes which would block donor for much shorter time, but may require some special setup (like LVM). Incremental state transfer is…
Post: Percona XtraDB Cluster 5.5.20 - Beta release
February 23, 2012 By 10 Comments
… main focus in this release: Incremental State Transfer, especially useful for WAN deployments Support of Percona XtraBackup for Snapshot State Transfer. This feature is available…
