Galera 3.0-beta
Milestone information
- Project:
- Galera
- Series:
- 3.x
- Version:
- 3.0-beta
- Released:
- Registrant:
- Alex Yurchenko
- Release registered:
- Active:
- No. Drivers cannot target bugs and blueprints to this milestone.
Activities
- Assigned to you:
- No blueprints or bugs assigned to you.
- Assignees:
- 2 Alex Yurchenko, 1 Teemu Ollakka
- Blueprints:
- 1 Unknown
- Bugs:
- 4 Fix Released
Download files for this release
Release notes
This is the first release in a 3.x branch which is a major upgrade from 2.x. It introduces
- new writeset format optimized for performance and reduced memory usage.
- 128-bit writeset checksums, checked every time before writeset is applied, so that corruption cannot sneak in neither on disk, nor in transfer.
- hardware accelerated CRC32-C algorithm for network packets (and ability to turn it off completely). Parameter: socket.checksum.
- improved handling of preordered (read: master-slave replication) events, that preserves original event ID and offers better throughput.
- ability to divide cluster into segments with minimized communication between them to minimize network traffic over WAN. Parameter: gmcast.segment.
Plus all features from 2.7 release.
THIS IS A BETA QUALITY RELEASE FOR TESTING PURPOSES. NOT RECOMMENDED FOR PRODUCTION YET.
UPGRADING from 2.x: Since 3.x introduces a number of new configuration variables rolling upgrade will need to take 2 rounds: 1st round - software upgrade with old configuration. 2nd round - configuration upgrade where new options can be utilized. For compatibility with 2.x all 3.x nodes must have "socket.checksum=1" in wsrep provider options.
Changelog
This release does not have a changelog.
1 blueprint and 4 bugs targeted
| Blueprint | Priority | Assignee | Delivery | |
|---|---|---|---|---|
| QA tasks for 2013 | QA tasks for 2013 | 1 Undefined | 0 Unknown | |
| Bug report | Importance | Assignee | Status | |||
|---|---|---|---|---|---|---|
| 1217947 | #1217947 | 3.0beta chores | 4 Medium | 10 Fix Released | ||
| 1221354 | #1221354 | Build failure in galera-3.x: strict-aliasing rules | 4 Medium | Alex Yurchenko | 10 Fix Released | |
| 1129512 | #1129512 | Preferred SST Donors List | 5 Low | Alex Yurchenko | 10 Fix Released | |
| 1163283 | #1163283 | message relay requesting goes on/off with multicast | 1 Undecided | Teemu Ollakka | 10 Fix Released | |
