What to expect from MariaDB Platform X5, part 2

1. What to expect from MariaDB Platform X5 (Part 2) Todd Stoffel Product Manager

2. MaxScale 2.5

3. What is MaxScale? ● Automatic failover ● Transaction replay ● Schema sharding ● Causal reads ● Query blocking ○ Database firewall ● Data masking ● Denial-of-service protection ○ Result limiting Database proxy ●Offload replication from the primary database ●Supports a very large number of read replicas Replication server

4. MariaDB MaxScale: New Features in 2.5 ● New Graphic User Interface (Alternative to MaxCtrl) ● New and Improved Binlog Router ● Stream Binlogs (as JSON) to Kafka Broker ●Cooperative Monitoring and Locking (New HA Solution) ●Distributed Cache between MaxScale Servers (i.e. Redis, Memcached) ●Columnstore Orchestration

5. Graphic User Interface

6. New Binlog Router Allows MaxScale to serve replication traffic to any number of slaves while removing that load from the true master ● Completely re-written ● More efficient and performant ● Heartbeat and burst interval configured automatically

7. Stream Binlogs (as JSON) to Kafka Broker MariaDB MaxScale JSON Conversion Kafka App ColumnStore

8. MaxScale 1 Active Legend Normal Traffic MariaDB MaxScale 2 Active Redundant Traffic App + Connector App + Connector App + Connector App + Connector App + Connector MariaDB MariaDB Cooperative Monitoring (v. 2.5) Cooperative Monitoring and Locking

9. Distributed Cache between MaxScale Servers MaxScale 1 MaxScale 2 OR

10. Columnstore Orchestration VIA API MaxScale Columnstore Primary Columnstore Replica 1 Columnstore Replica 2 Legend Normal Traffic S3 API dbroot1 dbroot2 dbroot3

13. Columnstore Orchestration VIA API MaxScale Columnstore Primary Columnstore Replica 1 Columnstore Replica 2 Legend Normal Traffic S3 API dbroot2 dbroot3dbroot1

14. Columnstore Orchestration VIA API MaxScale Columnstore Primary Columnstore Replica 1 Columnstore Replica 2 Legend Normal Traffic S3 API dbroot2 dbroot3dbroot1

15. Columnstore Orchestration VIA API MaxScale Columnstore Primary Columnstore Primary Columnstore Replica 2 Legend Normal Traffic S3 API dbroot2 dbroot3dbroot1

16. ColumnStore 1.5

17. THE PROBLEM OF BIG DATA The analytic workload is not too complex (compared to scientific work)... … BUT AS DATA GROWS, PERFORMANCE DEGRADES MERELY BECAUSE OF ITS SIZE Computers are not designed to scale well at the hardware level… … SO SCALING NEEDS TO BE DONE AT THE SOFTWARE/ ALGORITHM LEVEL

18. WHAT IS MARIADB COLUMNSTORE? ● Distributed and columnar storage for analytics ○ Stores data by column rather than row (file per column) ○ Stores data on separate, dedicated storage nodes ○ Scale out by adding more storage nodes ○ Can use GlusterFS or S3 for high availability ● Compression: up to 90%

19. ● High performance storage engine ● Fully compatible with standard SQL ● Easier big data enterprise analytics ○ Single interface for OLTP and analytics ○ Easy to integrate with third-party tools ● Fast import of data (cpimport), ● Direct injection of data (bypassing SQL layer) ○ No need for indexes and views Features ● Powerful in analytics (Star/Snowflake schemas) ● Scalability (just adding a new node(PM) to the cluster and no data distribution is required) ● Concurrency, ● File level backup in real-time ● Good compression -> low disk space usage ● Faster, more efficient queries ○ Distributed parallel processing WHY USE MARIADB COLUMNSTORE?

20. ROW-ORIENTED VERSUS COLUMN-ORIENTED ROW-ORIENTED ● Rows stored sequentially in a file ● Scans through every record row by row COLUMN-ORIENTED ● Each column is stored in a separate file ● Scans only the relevant column ID FNAME LNAME STATE ZIP PHONE AGE GENDER 1 Bugs Bunny NY 11217 (718) 938-3235 34 M 2 Yosemite Sam CA 95389 (209) 375-6572 52 M 3 Daffy Duck NY 10013 (212) 227-1810 35 M 4 Elmer Fudd ME 04578 (207) 882-7323 43 M 5 Witch Hazel MA 01970 (978) 744-0991 57 F ID FNAME LNAME STATE ZIP PHONE AGE GENDER 1 Bugs Bunny NY 11217 (718) 938-3235 34 M 2 Yosemite Sam CA 95389 (209) 375-6572 52 M 3 Daffy Duck NY 10013 (212) 227-1810 35 M 4 Elmer Fudd ME 04578 (207) 882-7323 43 M 5 Witch Hazel MA 01970 (978) 744-0991 57 F > SELECT Fname FROM TABLE1 WHERE State = ‘NY’;

21. Storage Architecture Reduced I/O High Performance Query Processing ● Only touch column files that are in Filter, Projection, Group By, and Join Conditions ● Eliminate Disk Block touches to Partitions Outside Filter and Join Conditions Extent 1: ShipDate: 2016-01-12 - 2016-03-05 Extent 2: ShipDate: 2016-03-05 - 2016-09-23 Extent 3: ShipDate: 2016-09-24 - 2017-01-06 > SELECT item, SUM(qty) FROM orders WHERE ship_date BETWEEN '2016-01-01' AND '2016-01-31' GROUP BY item Horizontal Partition: 8 Million Rows Extent 2 Horizontal Partition: 8 Million Rows Extent 3 Horizontal Partition: 8 Million Rows Extent 1 id order_id Line item qty price supplier ship_date mode 1 1 1 Laptop 5 1000 Dell 2016-01-12 G 2 1 2 Monitor 5 200 LG 2016-01-13 G 3 2 1 Mouse 1 20 Logitech 2016-02-05 M 4 3 1 Laptop 3 1600 Apple 2016-01-31 P ... ... ... ... ... ... ... ... ... 8M 2016-03-05 8M+1 2016-03-05 ... ... ... ... ... ... ... ... ... 16M 2016-09-23 16M+1 2016-09-24 ... ... ... ... ... ... ... ... ... 24M 2017-01-06 ELIMINATED PARTITION ELIMINATED PARTITION

22. Sample Two Node ColumnStore Cluster App BI MariaDB w/ ColumnStore MaxScale Legend Normal Traffic InnoDB BinLog Replication MariaDB w/ ColumnStore Node 1 Node 2 ColumnStore Traffic

23. New Features in 1.5 ● New API (Replaces OAM) ● PowerBI Direct Query Connector ● Improved Collation and Character Sets ● Improved Write Cache (100x faster) Phase 1 (Summer 2020) ● Faster Replication From Innodb ● Sequences ● Restart of Broken LDI (Checkpoints) Phase 3 (Winter 2020) ● Multinode in SkySQL ● Wider Extents ● Extended Oracle Mode ● Dec(38) Phase 2 (Fall 2020) ● Extent Elimination for DOUBLE ● Improved redistributedata ● Dynamic Columns Phase 4 (Spring 2021)

24. Simplified Installation

25. NEW INSTALL PROCEDURE [centos@localhost ~]$ wget https://dlm.mariadb.com/enterprise-release-helpers/mariadb_es_repo_setup [centos@localhost ~]$ chmod +x mariadb_es_repo_setup [centos@localhost ~]$ mariadb_es_repo_setup --token=<YOUR_TOKEN_HERE> --apply [centos@localhost ~]$ yum -y install MariaDB-server MariaDB-columnstore-engine [centos@localhost ~]$ systemctl enable mariadb-columnstore [centos@localhost ~]$ systemctl start mariadb-columnstore Before starting Columnstore, you might want to configure StorageManager and/or other Columnstore variables. We will discuss later in this presentation.

26. Columnstore.xml

27. Configure Columnstore We provide a couple Columnstore.xml utilities. mcsGetConfig -a Will show the current Columnstore.xml settings. To change a variable, run: mcsSetConfig <group> <parameter> <value> Example: mcsSetConfig CrossEngineSupport User “myuser” Note: A restart of Columnstore is required.

28. S3 Storage Manager

29. Redundant File System (S3) App BI MariaDB w/ ColumnStore MaxScale Legend Normal Traffic InnoDB BinLog Replication MariaDB w/ ColumnStore ColumnStore Storage Layer Node 1 Node 2

30. BLOCK VS OBJECT STORAGE COST

31. storagemanager.cnf

32. To Configure Storage Manager Edit this file /etc/columnstore/storagemanager.cnf: [ObjectStorage] … service = S3 … [S3] bucket = yourbucketname endpoint = s3.amazonaws.com aws_access_key_id = <youraccesskeyid> aws_secret_access_key= <yoursecretkey>

33. Thank you

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