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©Continuent 2013
Tungsten University: 
Introduction to
Continuent Tungsten 2.0
Robert Hodges, CEO
Giuseppe Maxia, Director of QA
©Continuent 2013
Introducing Continuent
2
• The leading provider of clustering and
replication for open source DBMS
• Our Product: Continuent Tungsten
• Clustering - Commercial-grade HA, performance
scaling and data management for MySQL
• Replication - Flexible, high-performance data
movement
©Continuent 2013
Continuent Tungsten 2.0 Topics
3
• What’s in Continuent Tungsten 2.0?
• What is the release schedule?
• How do I upgrade from 1.5.x?
• What’s coming next?
©Continuent 2013
What’s in Continuent Tungsten 2.0?
4
©Continuent 2013
New Feature Overview
5
• Tungsten 2.0 Replicator integrated into
clustering
• TPM updates installations more e"ciently
• Ability to create read-only slaves
• Better connector load balancing and
connector management
• Cookbook test for installed cluster
• Documentation build-out
©Continuent 2013
Overall Replication Improvements
6
• Parallel apply to reduce slave lag
• Transaction history log much more robust
• Support for multiple replication services
• Simpler integration with stand-alone
replication for multi-master
©Continuent 2013
Parallel Apply Concepts
7
cust1
cust2
cust3
cust1
cust2
cust3
app
app
app
Shards
Channels
Master Slave
©Continuent 2013
Parallel Apply Intro
8
• Best for apps with many independent schemas
• Enabling parallel apply and selecting channels
tpm install 
--repl-svc-parallelization-type=disk 
--channels=10
• Take replicator o#ine cleanly to make changes!
• Restore is complicated if you change channels!
• Changes position reporting on slave!
• Up to 200x reduction in slave lag
©Continuent 2013
Replication Services
9
• Replicators support multiple services per
replicator (clusters use only one)
• Service named after cluster
• Catalog data in schema tungsten_<svcname>
• THL stored in /opt/continuent/thl/<svcname>
©Continuent 2013
New Status Monitoring Commands
10
• Extensions to ‘trepctl status’
• trepctl status -name shards - Transactions per shard
• trepctl status -name stages - Stage con$guration
• trepctl status -name stores - Log/queue info
• trepctl status -name tasks - Task performance
• trepctl services - Show replication services
• relativeLatency setting to help detect stalls
(also visible with cctrl ls -l)
©Continuent 2013
Transaction History Log
11
• THL has new metadata
• ##charset property tracks SQL character set
• Service property shows source of transaction
• Shard property is derived from schema and enables
parallel apply
• Epoch number printed on each transaction
• Many improvements to log consistency checks
• Easier to $x logs or regen from a particular
point
©Continuent 2013
Multi-Master Operation
12
• Standalone 2.0 replicators link clusters
• New standalone installation options for setting
up multi-master clusters
• Replicators track transaction source to cluster
• Certi$ed multi-master topology for MySQL
©Continuent 2013
PARALLEL REPLICATION DEMO
13
©Continuent 2013
TPM - Changing Properties
14
# Recover current settings
shell> ./tools/tpm reverse
# Update to settings on all hosts
shell> export CONTINUENT_PROFILES=/opt/continuent/software/conf
shell> cd /opt/continuent/software/continuent-tungsten-2.0.1-###
shell> ./tools/tpm fetch --hosts=<hostname>,autodetect 
--user=tungsten --directory=autodetect
shell> ./tools/tpm reverse
shell> ./tools/tpm update mycluster --repl-java-mem-size=2048
# Update to settings on a single host
shell> cd /opt/continuent/tungsten
shell> ./tools/tpm update --repl-java-mem-size=2048
©Continuent 2013
Connectivity Upgrades
15
• Load balancing reads to most advanced slave
(router.properties)
dataSourceLoadBalancer_RO_RELAXED=com.continuent.tung
sten.router.resource.loadbalancer.MostAdvancedSlaveLo
adBalancer
• Old password support (handles MySQL 4.1 libs)
• Experimental connection pooling
(router.properties)
# c3p0 pool:
#connectionProviderClass=com.continuent.tungsten.rout
er.resource.C3P0PooledConnectionProvider
©Continuent 2013
Management Support - Archive Slaves
16
• Archive slave is for reads but not failover
• Setting an archive slave
datasource pdrepl1 set archive
• Clearing an archive slave
datasource pdrepl1 clear archive
• Compare with standby slave (failover but no
reads)
©Continuent 2013
Cookbook and Testing
17
• Cookbook allows simple setup of common
cluster and replication topologies
• New command to test an installed cluster!
cd $CONTINUENT_ROOT/tungsten/
./cookbook/tungsten-cookbook 
--test-installed
©Continuent 2013
Documentation Build-Out
18
• Adding new quick-start guides
• Adding new operations guides
• Adding reference guides for all tools and
utilities
• Check out docs in Tungsten 2.0 section
• Suggestions for improvement welcomed!
©Continuent 2013
MULTI-MASTER
CLUSTERING AND TEST
19
©Continuent 2013
What Is the Release Schedule?
20
©Continuent 2013
Continuent Tungsten Release
Schedule
21
Release When What
2.0.0 Feb 2013
Controlled release to
selected customers
2.0.1 June 2013* GA release to everybody
2.0.x Q3 2013
Follow-on roadmap
improvements
* We will release when 2.0.1 is fully baked
©Continuent 2013
How Do I Upgrade from Tungsten
Enterprise 1.5.x?
22
©Continuent 2013
TPM Upgrade Procedure
23
shell> export CONTINUENT_PROFILES=/opt/continuent/software/
conf
shell> cd /opt/continuent/software
shell> tar -xf continuent-tungsten-2.0.1-149
shell> cd continuent-tungsten-2.0.1-149
shell> ./tools/tpm fetch --hosts=<hostname>,autodetect --
user=tungsten --directory=autodetect
shell> ./tools/tpm reverse
shell> ./tools/tpm update
©Continuent 2013
What’s Coming Next in Tungsten?
24
©Continuent 2013
Roadmap for Continuent Tungsten 2.0.x
25
• Backup/restore usability (master backups)
• Connectivity performance (esp. login)
• Security for untrusted environments
• More multi-master support
• Cluster management API
• Graphical User Interface
©Continuent 2013
Preview of Administrative API
26
©Continuent 2013
Preview of GUI Administration
27
©Continuent 2013
Wrapping Up
28
©Continuent 2013
Tungsten University Sessions
29
• Introduction to Continuent Tungsten 2.0 (May
21)
• Load a Vertica Data Warehouse with MySQL
Data (May 30 and June 4)
Send any feedback to: tu@continuent.com
©Continuent 2012.
Continuent Web Page:
http://www.continuent.com
Tungsten Replicator 2.0:
http://code.google.com/p/tungsten-replicator
Our Blogs:
http://scale-out-blog.blogspot.com
http://datacharmer.org/blog
http://!yingclusters.blogspot.com
http://www.continuent.com/news/blogs
560 S. Winchester Blvd., Suite 500
San Jose, CA 95128
Tel +1 (866) 998-3642
Fax +1 (408) 668-1009
e-mail: sales@continuent.com

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Tungsten University: Introduction to Continuent Tungsten 2.0

  • 1. ©Continuent 2013 Tungsten University:  Introduction to Continuent Tungsten 2.0 Robert Hodges, CEO Giuseppe Maxia, Director of QA
  • 2. ©Continuent 2013 Introducing Continuent 2 • The leading provider of clustering and replication for open source DBMS • Our Product: Continuent Tungsten • Clustering - Commercial-grade HA, performance scaling and data management for MySQL • Replication - Flexible, high-performance data movement
  • 3. ©Continuent 2013 Continuent Tungsten 2.0 Topics 3 • What’s in Continuent Tungsten 2.0? • What is the release schedule? • How do I upgrade from 1.5.x? • What’s coming next?
  • 4. ©Continuent 2013 What’s in Continuent Tungsten 2.0? 4
  • 5. ©Continuent 2013 New Feature Overview 5 • Tungsten 2.0 Replicator integrated into clustering • TPM updates installations more e"ciently • Ability to create read-only slaves • Better connector load balancing and connector management • Cookbook test for installed cluster • Documentation build-out
  • 6. ©Continuent 2013 Overall Replication Improvements 6 • Parallel apply to reduce slave lag • Transaction history log much more robust • Support for multiple replication services • Simpler integration with stand-alone replication for multi-master
  • 7. ©Continuent 2013 Parallel Apply Concepts 7 cust1 cust2 cust3 cust1 cust2 cust3 app app app Shards Channels Master Slave
  • 8. ©Continuent 2013 Parallel Apply Intro 8 • Best for apps with many independent schemas • Enabling parallel apply and selecting channels tpm install --repl-svc-parallelization-type=disk --channels=10 • Take replicator o#ine cleanly to make changes! • Restore is complicated if you change channels! • Changes position reporting on slave! • Up to 200x reduction in slave lag
  • 9. ©Continuent 2013 Replication Services 9 • Replicators support multiple services per replicator (clusters use only one) • Service named after cluster • Catalog data in schema tungsten_<svcname> • THL stored in /opt/continuent/thl/<svcname>
  • 10. ©Continuent 2013 New Status Monitoring Commands 10 • Extensions to ‘trepctl status’ • trepctl status -name shards - Transactions per shard • trepctl status -name stages - Stage con$guration • trepctl status -name stores - Log/queue info • trepctl status -name tasks - Task performance • trepctl services - Show replication services • relativeLatency setting to help detect stalls (also visible with cctrl ls -l)
  • 11. ©Continuent 2013 Transaction History Log 11 • THL has new metadata • ##charset property tracks SQL character set • Service property shows source of transaction • Shard property is derived from schema and enables parallel apply • Epoch number printed on each transaction • Many improvements to log consistency checks • Easier to $x logs or regen from a particular point
  • 12. ©Continuent 2013 Multi-Master Operation 12 • Standalone 2.0 replicators link clusters • New standalone installation options for setting up multi-master clusters • Replicators track transaction source to cluster • Certi$ed multi-master topology for MySQL
  • 14. ©Continuent 2013 TPM - Changing Properties 14 # Recover current settings shell> ./tools/tpm reverse # Update to settings on all hosts shell> export CONTINUENT_PROFILES=/opt/continuent/software/conf shell> cd /opt/continuent/software/continuent-tungsten-2.0.1-### shell> ./tools/tpm fetch --hosts=<hostname>,autodetect --user=tungsten --directory=autodetect shell> ./tools/tpm reverse shell> ./tools/tpm update mycluster --repl-java-mem-size=2048 # Update to settings on a single host shell> cd /opt/continuent/tungsten shell> ./tools/tpm update --repl-java-mem-size=2048
  • 15. ©Continuent 2013 Connectivity Upgrades 15 • Load balancing reads to most advanced slave (router.properties) dataSourceLoadBalancer_RO_RELAXED=com.continuent.tung sten.router.resource.loadbalancer.MostAdvancedSlaveLo adBalancer • Old password support (handles MySQL 4.1 libs) • Experimental connection pooling (router.properties) # c3p0 pool: #connectionProviderClass=com.continuent.tungsten.rout er.resource.C3P0PooledConnectionProvider
  • 16. ©Continuent 2013 Management Support - Archive Slaves 16 • Archive slave is for reads but not failover • Setting an archive slave datasource pdrepl1 set archive • Clearing an archive slave datasource pdrepl1 clear archive • Compare with standby slave (failover but no reads)
  • 17. ©Continuent 2013 Cookbook and Testing 17 • Cookbook allows simple setup of common cluster and replication topologies • New command to test an installed cluster! cd $CONTINUENT_ROOT/tungsten/ ./cookbook/tungsten-cookbook --test-installed
  • 18. ©Continuent 2013 Documentation Build-Out 18 • Adding new quick-start guides • Adding new operations guides • Adding reference guides for all tools and utilities • Check out docs in Tungsten 2.0 section • Suggestions for improvement welcomed!
  • 20. ©Continuent 2013 What Is the Release Schedule? 20
  • 21. ©Continuent 2013 Continuent Tungsten Release Schedule 21 Release When What 2.0.0 Feb 2013 Controlled release to selected customers 2.0.1 June 2013* GA release to everybody 2.0.x Q3 2013 Follow-on roadmap improvements * We will release when 2.0.1 is fully baked
  • 22. ©Continuent 2013 How Do I Upgrade from Tungsten Enterprise 1.5.x? 22
  • 23. ©Continuent 2013 TPM Upgrade Procedure 23 shell> export CONTINUENT_PROFILES=/opt/continuent/software/ conf shell> cd /opt/continuent/software shell> tar -xf continuent-tungsten-2.0.1-149 shell> cd continuent-tungsten-2.0.1-149 shell> ./tools/tpm fetch --hosts=<hostname>,autodetect -- user=tungsten --directory=autodetect shell> ./tools/tpm reverse shell> ./tools/tpm update
  • 24. ©Continuent 2013 What’s Coming Next in Tungsten? 24
  • 25. ©Continuent 2013 Roadmap for Continuent Tungsten 2.0.x 25 • Backup/restore usability (master backups) • Connectivity performance (esp. login) • Security for untrusted environments • More multi-master support • Cluster management API • Graphical User Interface
  • 26. ©Continuent 2013 Preview of Administrative API 26
  • 27. ©Continuent 2013 Preview of GUI Administration 27
  • 29. ©Continuent 2013 Tungsten University Sessions 29 • Introduction to Continuent Tungsten 2.0 (May 21) • Load a Vertica Data Warehouse with MySQL Data (May 30 and June 4) Send any feedback to: tu@continuent.com
  • 30. ©Continuent 2012. Continuent Web Page: http://www.continuent.com Tungsten Replicator 2.0: http://code.google.com/p/tungsten-replicator Our Blogs: http://scale-out-blog.blogspot.com http://datacharmer.org/blog http://!yingclusters.blogspot.com http://www.continuent.com/news/blogs 560 S. Winchester Blvd., Suite 500 San Jose, CA 95128 Tel +1 (866) 998-3642 Fax +1 (408) 668-1009 e-mail: sales@continuent.com