MariaDB First MariaDB 10.4 alpha release

eva2000 · Nov 10, 2018

The MariaDB Foundation is pleased to announce the availability of MariaDB 10.4.0, the first alpha release in the new MariaDB 10.4 series. See the release notes and changelogs for details. Download MariaDB 10.4.0 Release Notes Changelog What is MariaDB 10.4? MariaDB APT and YUM Repository Configuration Generator Contributors to MariaDB 10.4.0 Aleksey Midenkov (Tempesta) Alexander […]

The post First MariaDB 10.4 alpha release appeared first on MariaDB.org.

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Revenge · Nov 10, 2018

No major breakthrough change for 10.4?

eva2000 · Nov 10, 2018

From Changes and Improvements in MariaDB 10.4 link to Plans for MariaDB 10.4

Planning for 10.4 began at the 2017 MariaDB Developer's Unconference in Shenzhen, and has continued since then, including at the 2018 Developers Unconference in New York. The features below are being considered for inclusion in MariaDB 10.4. MariaDB 10.3 is still the current development release, so the list for 10.4 is preliminary, and will almost certainly change in future. If you want to be part of developing any of these features, see Contributing to the MariaDB Project. You are also welcome to add new features to this list or to JIRA.

Very Likely
Better Security

Automatic DOS attacks detection - MariaDB Corporation

Automatic password crack detection - MariaDB Corporation

Encryption on client side - MariaDB Corporation

Password expiration - MariaDB Foundation

Multiple authentication plugins per user - MariaDB Foundation

Socket authentication by default (MDEV-12484) - MariaDB Foundation

Encryption plugin (Tencent Cloud)

Column encryption (Tencent Cloud)

Compatibility

Oracle stage 2 (MDEV-10872)

CONNECT BY - Alibaba Cloud, MariaDB Corporation & MariaDB Foundation

MSSQL (?)

Spider

Spider (10.4 patches) - Kentoku & MariaDB Corporation

Tencent Spider patches (10 patches)

Vertical partitioning - Kentoku

Distributed Storage Engine (stage 1 of 4)

Write scaling

Planning to be done in November-December

InnoDB

Instant drop column etc. (MDEV-15562) - MariaDB Corporation

Better redo log (MDEV-14425) - MariaDB Corporation & Tencent Cloud

Performance

Micro optimization (MDEV-7941) - MariaDB Foundation (Svoj)

Scalability issues - MariaDB Foundation (Svoj) & IBM

Moving blocks without using any L? cache (Svoj and Monty)

MDEV-7487 - semi-join optimisations - (MariaDB Corporation)

Aggregation on the server (Tencent Cloud)

GROUP INSERT (Alibaba Cloud)

Re-Entrant Items

Building block for parallel query and be able to share stored procedures between threads (Stored procedure cache)

Reading and updating my.cnf from server - MariaDB Corporation

Other

Galera 4 - Codership

MySQL syntax for multi source (CHANNEL) - Alibaba Cloud

Updates to MyRocks - MariaDB Corporation & Facebook

Reverse privileges - MariaDB Foundation

BLOB & optimized VARCHAR for memory tables - MariaDB Corporation (Greatly reduces memory for internal temporary tables)

Rolling Features
Backup

Backup from the server through storage engine API, patch for mariabackup (MariaDB Corporation and Alibaba)

Columnstore

Columnstore integration (MariaDB Corporation)

Replication

GTID in OK Packet (MDEV-11956) - MariaDB Corporation

Optimizer

Better ORDER BY LIMIT Optimization (MDEV-8306) - MariaDB Corporation

Optimizer trace (MDEV-6111) - MariaDB Corporation

Better histograms (MDEV-12313) - Google Summer of Code project

Prefiltering - MariaDB Corporation (Igor)

Better telemetry ???

Improve single-thread CPU performance ???

Other

Virtual host in protocol - Microsoft(?)

Index on expression - MariaDB Corporation

Pattern matching for keys

Downscaling memory on demand/request - MariaDB Corporation (?)

Closing not used connections

Reducing buffer-pool and key caches

Flush all internal caches

Parallel replication of one table - Tencent Cloud

Depending on benchmark results

TIMESTAMP with timezone support (MDEV-7928) - Seth(?)

Implement all window function features - MDEV-12987, MDEV-6115

Remove the need to use comments for configuration (MariaDB Corporation)

Remotely provision slaves (?)

Other Activities Overlapping with 10.4 Release

Allow community builds - MariaDB Foundation (Vicentiu)

Docker - MariaDB Foundation (Vicentiu)

Staging trees - MariaDB Foundation (Vicentiu)

Python Connector - MariaDB Foundation (Vicentiu)

Query characteristics being returned to Connector (MariaDB Corporation)

Reduce the number of open MDEVs (?)

JIRA
We manage our development plans in JIRA, so the definitive list will be there. This search shows what we currently plan for 10.4. It shows all tasks with the Fix-Version being 10.4. Not all these tasks will really end up in 10.4, but tasks with the "red" priorities have a much higher chance of being done in time for 10.4. Practically, you can think of these tasks as "features that will be in 10.4". Tasks with the "green" priorities probably won't be in 10.4. Think of them as "bonus features that would be nice to have in 10.4".

See Also

Current tasks for 10.4

10.4 Features/fixes by vote

What is MariaDB 10.3?

What is MariaDB 10.2?

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eva2000 · Nov 10, 2018

Specific MariaDB 10.4 work via JIRA here

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