Tungsten University: MySQL Multi-Master Operations Made Simple With Tungsten Replicator 2.1.1
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Transcript of Tungsten University: MySQL Multi-Master Operations Made Simple With Tungsten Replicator 2.1.1
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©Continuent 2013
MySQL Multi-Master Operations Made Simple
Featuring Tungsten Replicator 2.1.1
Giuseppe Maxia, Director of QA - Continuent, IncRobert Hodges, CEO - Continuent, Inc
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©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
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©Continuent 2013
A Review of Tungsten Replicator
3
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Tungsten Replicator Overview
4
Master
(Transactions + Metadata)
Slave
THL
DBMSLogs
Replicator
(Transactions + Metadata)
THLReplicator
Download transactions via network
Apply using JDBC
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Master Replication Service
5
Extract Filter Apply
StageExtract Filter Apply
Stage
Pipeline
MySQLMaster
TransactionHistory Log
In-MemoryQueue
Slave ReplicatorsBinlog
tcp/ip
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Slave Replication Service
6
Extract Filter Apply
StageExtract Filter Apply
StageExtract Filter Apply
Stage
Pipeline
TransactionHistory Log
In-MemoryQueue
SlaveDBMS
MasterReplicator
tcp/
ip
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©Continuent 2013
star
master-slave Heterogeneous
fan-in slave all-masters
MySQL
Oracle
Oracle
MySQL Oracle
Oracle
MySQL MySQL
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Tungsten Replicator 2.1.1
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Tungsten Replicator 2.1.1• Releases as GA on August 21, 2013
• Main features:
• installation with tpm
• security layer
• full support for MySQL 5.6
• improved management tools
• trepctl properties
• trepctl services [-full] [-json]
• trepctl clients
• trepctl status [-json]
• thl list [-headers] [-json]
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©Continuent 2013
Working with Tungsten
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Overview of Installation Process
1. Set up hosts
2. Prepare MySQL replicas
3. Download software
4. Install using tungsten-installer & con!gure-service tpm
11
Amazon Setup:https://docs.continuent.com/wiki/display/TEDOC/
Preparing+EC2+Servers
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How tungsten-installer Works for Basic Master/Slave Deployment
12
db1
db2
db3
Staging copy of files
check prereqscopy codeconfigure
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Tungsten master/slave replication
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host1 host2
host3
alpha alpha
alpha
THL THL
THL
installer
Old installationand
New installation
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Bi-directional replication
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host1 host2
alphaalpha
bravobravo
Install master on host1
installer
install master on host2
installer
install slave service on host1
installer
install slave service on host2
installer
OLD INSTALLATION
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Bi-directional replication
15
host1 host2
alphaalpha
bravobravo
NEW INSTALLATION
Install all master and slave services on all hosts at once
installer
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./tools/tungsten-installer --master-slave --master-host=$MASTER2 --datasource-user=tungsten --datasource-password=secret --service-name=bravo --home-directory=$TUNGSTEN_HOME --cluster-hosts=$MASTER2 --start
$TUNGSTEN_HOME/tungsten/tools/configure-service -C --quiet --host=$MASTER1 --datasource=$MASTER1 --local-service-name=alpha --role=slave --service-type=remote --release-directory=$TUNGSTEN_HOME/tungsten --skip-validation-check=THLStorageCheck --master-thl-host=$MASTER2 --master-thl-port=2112 --svc-start bravo
./tools/tungsten-installer --master-slave --master-host=$MASTER1 --datasource-user=tungsten --datasource-password=secret --service-name=alpha --home-directory=$TUNGSTEN_HOME --cluster-hosts=$MASTER1 --start
$TUNGSTEN_HOME/tungsten/tools/configure-service -C --quiet --host=$MASTER2 --datasource=$MASTER2 --local-service-name=bravo --role=slave --service-type=remote --release-directory=$TUNGSTEN_HOME/tungsten --skip-validation-check=THLStorageCheck --master-thl-host=$MASTER1 --master-thl-port=2112 --svc-start alpha
1 2
3
4
Multi-master installation(2 nodes) until TR 2.1.0
~ 3 minutes
using tungsten-installer
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©Continuent 2013
4 nodes all-masters
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host1
host4
host2
host3
alphaalpha
bravobravo
charlie
charlie
delta
delta
bravobravo
alpha
delta
delta
charlie
charlie
alpha
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©Continuent 2013 18
Multi-master installation(4 nodes) until TR 2.1.0
~ 8 minutes
tungsten-installerhost1 - alpha 1
tungsten-installerhost2 - bravo 2
tungsten-installerhost3 - charlie 3
tungsten-installerhost4 - delta 4
con!gure-servicehost1 - bravo 5
con!gure-servicehost1 - charlie 6
con!gure-servicehost1 - delta 7
con!gure-servicehost2 - alpha 8
con!gure-servicehost2 - charlie 9
con!gure-servicehost2 - delta 10
con!gure-servicehost3 - alpha 11
con!gure-servicehost3 - bravo 12
con!gure-servicehost3 - delta 13
con!gure-servicehost4 - alpha 14
con!gure-servicehost4 - bravo 15
con!gure-servicehost4 - charlie 16
using tungsten-installer
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./tools/tpm install my_cluster \ --topology=all-masters \ --home-directory=$TUNGSTEN_HOME \ --replication-user=tungsten \ --replication-password=secret \ --masters=host1,host2 \ --master-services=alpha,bravo \ --start
Multi-master installation(2 nodes) with TR 2.1.1
~ 40 seconds
using tpm
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./tools/tpm install my_cluster \ --topology=all-masters \ --home-directory=$TUNGSTEN_HOME \ --replication-user=tungsten \ --replication-password=secret \ --masters=host1,host2,host3,host4 \ --master-services=alpha,bravo,charlie,delta \ --start
Multi-master installation(4 nodes) with TR 2.1.1
~ 45 seconds
using tpm
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One more reason why tpm is better
• Security:
• all data in transit (transaction history logs, or THL) is encrypted using SSL
• all administrative tra"c is encrypted with SSL
• Transparent to the user
• Independent of the database server (works also for heterogeneous replication)
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Tungsten replicator without security
22
replicatorservices
host1
host4
host2
host3
alpha
alpha
alpha alpha
master
slave
THL
THL
THLTHL
plain text
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Tungsten Replicator with security
23
replicatorservices
host1
host4
host2
host3
alpha
alpha
alpha alpha
master
slave
THL
THL
THLTHL
SSL
SSL SSL
SSL
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©Continuent 2013
Installing with security1: create keys
24
./cookbook/create-security-keys HarryPotter
...
...# Options for tpm (stored in ./cookbook/security.options) --thl-ssl=true \ --rmi-ssl=true \ --rmi-authentication=true \ --rmi-user=cookbook \ --java-keystore-password=HarryPotter \ --java-truststore-password=HarryPotter \ --java-truststore-path=$PWD/cookbook/truststore.ts \ --java-keystore-path=$PWD/cookbook/keystore.jks \ --java-jmxremote-access-path=$PWD/cookbook/jmxremote.access \ --java-passwordstore-path=$PWD/cookbook/passwords.store
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©Continuent 2013
Installing with security - 2: run tpm
25
./tools/tpm install alpha \ --topology=master-slave \ --home-directory=/opt/continuent/replicator \ --replication-user=tungsten \ --replication-password=secret \ --master=host1 \ --slaves=host2,host3,host4 \ $(cat ./cookbook/security.options) \ --start
./tools/tpm install my_cluster \ --topology=all-masters \ --home-directory=$TUNGSTEN_HOME \ --replication-user=tungsten \ --replication-password=secret \ --masters=host1,host2,host3,host4 \ $(cat ./cookbook/security.options) \ --master-services=alpha,bravo,charlie,delta \ --start
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Demo : security
26
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Advanced Installation using Cookbook
27
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Installing Master/Slave Replication ...
28
./cookbook/install_master_slave
host1 host2
host3
alpha alpha
alpha
THL THL
THL
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master/slave using tpm
29
./tools/tpm install alpha \ --topology=master-slave \ --home-directory=/opt/continuent/replicator \ --replication-user=tungsten \ --replication-password=secret \ --master=host1 \ --slaves=host2,host3,host4 \ --start
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Installing Fan-In Replication
30
./cookbook/install_fan_in
host1
host4
host2
host3
alphabravo
charliebravo
charlie
alpha
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fan-in using tpm
31
./tools/tpm install many_towns \ --replication-user=tungsten \ --replication-password=secret \ --home-directory=/opt/continuent/replication \ --masters=host1,host2,host3 \ --slaves=host4 \ --master-services=alpha,bravo,charlie \ --topology=fan-in \ --start
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Install Multi-Master replication
32
./cookbook/install_all_masters
host1 host2
alphaalpha
bravobravo
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multi-master using tpm
33
../tools/tpm install musketeers \ --reset \ --topology=all-masters \ --home-directory=/opt/continuent/replicator \ --replication-user=tungsten \ --replication-password=secret \ --masters=host1,host2 \ --master-services=alpha,bravo \ --start
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Extend multi-master-replication
34
host1 host2
alphaalpha
bravobravo
host1 host2
host3
alphaalpha
bravobravo
charlie
charlie
bravo
alpha
charlie
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extending multi-master (1:install)
35
../tools/tpm install musketeers \ --reset \ --topology=all-masters \ --home-directory=/opt/continuent/replicator \ --replication-user=tungsten \ --replication-password=secret \ --masters=host1,host2 \ --master-services=alpha,bravo \ --start
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extending multi-master (2: add a node)
36
./tools/tpm configure musketeers \ --topology=all-masters \ --home-directory=/opt/continuent/replicator \ --replication-user=tungsten \ --replication-password=secret \ --masters=host1,host2,host3 \ --master-services=alpha,bravo,charlie \ --start
./tools/tpm update
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©Continuent 2013
Extending further ...
37
host1
host4
host2
host3
alphaalpha
bravobravo
charlie
charlie
delta
delta
bravobravo
alpha
delta
delta
charlie
charlie
alpha
host1 host2
host3
alphaalpha
bravobravo
charlie
charlie
bravo
alpha
charlie
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extending multi-master (3: add one more node)
38
./tools/tpm configure musketeers \ --topology=all-masters \ --home-directory=/opt/continuent/replicator \ --replication-user=tungsten \ --replication-password=secret \ --masters=host1,host2,host3,host4 \ --master-services=alpha,bravo,charlie,delta \ --start
./tools/tpm update
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Install a Star Topology
39
./cookbook/install_star
host1
host4
host2
host3
alpha
bravo
charlie
charlie
delta
bravo
alpha
delta
charlie
charlie
hub
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star using tpm
40
./tools/tpm install constellation \ --replication-user=tungsten \ --replication-password=secret \ --home-directory=/opt/continuent/replication \ --masters=host1,host2,host4 \ --hub=host3 \ --hub-service=charlie \ --master-services=alpha,bravo,delta \ --topology=star \ --start
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More complex topologies
41
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all-masters with attached slaves
42
host1
host4
host2
host3
alphaalpha
bravobravo
bravo
alpha
data from goes to
host1 host2,host3
host2 host1,host4
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all-masters with attached slaves
43
host1
host4
host2
host3
alphaalpha
bravobravo
charlie
charlie
delta
delta
bravobravo
alpha
delta
delta
charlie
charlie
alpha
host6host5 deltacharlie
data from goes tohost1 host2,host3,host4host2 host1,host3,host4host3 host1,host2,host4,host5host4 host1,host2,host3,host6
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four all-masters with attached slaves1: con!gure defaults
44
#1./tools/tpm configure defaults \ --reset \ --replication-user=tungsten \ --replication-password=secret \ --home-directory=/home/tungsten/installs/cookbook \ --start
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four all-masters with attached slaves2: con!gure main all-masters
45
#2./tools/tpm configure four_musketeers \ --masters=host1,host2,host3,host4 \ --master-services=alpha,bravo,charlie,delta \ --topology=all-masters
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four all-masters with attached slaves3: con!gure !rst slave
46
#3./tools/tpm configure charlie \ --hosts=host3,host5 \ --slaves=host5 \ --master=host3
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four all-masters with attached slaves4: con!gure second slave
47
#4./tools/tpm configure delta \ --hosts=host4,host6 \ --slaves=host6 \ --master=host4
#5./tools/tpm install
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four all-masters with attached slaves5: !nal step: install
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#5./tools/tpm install
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all-masters with attached mongoDB slave
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host1
host4
host2
host3
alphaalpha
bravobravo
charlie
charlie
delta
delta
bravobravo
alpha
delta
delta
charlie
charlie
alpha
host5 alpha
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all-masters with mongodb slave1: install masters with heterogeneous options
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./tools/tpm configure all_masters \ --reset \ --log=timestamp \ --replication-port=3306 \ --replication-user=tungsten \ --replication-password=secret \ --home-directory=/home/tungsten/installs/cookbook \ --repl-disable-relay-logs=true -a \ --masters=ubuntu1,ubuntu2,ubuntu3,ubuntu4 \ --master-services=alpha,bravo,charlie,delta \ --topology=all-masters \ --java-file-encoding=UTF8 \ --mysql-use-bytes-for-string=false \ --mysql-enable-enumtostring=true \ --mysql-enable-settostring=true \ --svc-extractor-filters=colnames,pkey --start-and-report
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all-masters with mongodb slave2: add mongodb slave and install
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./tools/tpm configure alpha \ --datasource-type=mongodb \ --hosts=host1 \ --master=ubuntu1 \ --replication-port=6700 \ --home-directory=~/deploy/mongodb \ --slaves=host1 \ --role=slave \ --master-thl-port=2112 \ --thl-port=2113 \ --rmi-port=10100 --start-and-report
./tools/tpm install --verbose
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DEMO:multi master installation
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Overview of Tungsten Cookbook
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Tungsten Cookbook
tungsten-replicator-2.1.1-230 | +--/cluster-home +--/cookbook +--/tools +--/tungsten-replicator
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Tungsten Cookbook
tungsten-replicator-2.1.1-230 | +--/cookbook | +--COMMON_NODES.sh +--USER_VALUES.sh +--show_cluster +--test_cluster +--clear_cluster...
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Tungsten Cookbook
$ cat COMMON_NODES.sh
export NODE1=host1export NODE2=host2export NODE3=host3export NODE4=host4
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Tungsten Cookbook
$ cat USER_VALUES.sh# User defined values for the cluster to be installed.
export TUNGSTEN_BASE=$HOME/installs/cookbookexport DATABASE_USER=tungstenexport BINLOG_DIRECTORY=/var/lib/mysqlexport MY_CNF=/etc/my.cnfexport DATABASE_PASSWORD=secretexport DATABASE_PORT=3306export TUNGSTEN_SERVICE=cookbookexport RMI_PORT=10000export THL_PORT=2112export START_OPTION=start
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Sample all-masters Installation
• edit cookbook/COMMON_NODES.sh
• edit cookbook/USER_VALUES.sh
• run cookbook/install_all_masters
• and then:
• run cookbook/show_cluster
• run cookbook/test_cluster
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DEMO:cookbook main tools
* show status* show logs* edit con!guration* show services
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Joining the Community
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Tungsten Replicator is Open Source
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• Project home:
http://code.google.com/p/tungsten-replicator/
• Log bugs, !nd builds, post in replicator discussion group
• Documentation:
https://docs.continuent.com/wiki/display/TEDOC/Tungsten+Documentation+Home
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Wrapping Up
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Tungsten University Sessions
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• Con!gure & Provision Tungsten Clusters- Thursday September 5th- Tuesday September 10th
• Setup & Operate Tungsten Replicator- Thursday October 17th- Tuesday October 22nd
• Send any feedback to: [email protected]
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©Continuent 2012.
Continuent Web Page:http://www.continuent.com
Tungsten Replicator 2.1.1:http://code.google.com/p/tungsten-replicator
Our Blogs:http://scale-out-blog.blogspot.comhttp://datacharmer.blogspot.comhttp://www.continuent.com/news/blogs
560 S. Winchester Blvd., Suite 500 San Jose, CA 95128 Tel +1 (866) 998-3642 Fax +1 (408) 668-1009e-mail: [email protected]