Continuent Tungsten 2.0 Manual

Continuent Ltd


This manual documents Continuent Tungsten, a high performance, High Availability and Disaster Recovery for MySQL clustering.

This manual includes information for 2.0, up to and including 2.0.5.

Build date: 2017-09-26 (bef69d2)

Up to date builds of this document: Continuent Tungsten 2.0 Manual (Online), Continuent Tungsten 2.0 Manual (PDF)

Table of Contents

1. Legal Notice
2. Conventions
3. Quickstart Guide
1. Introduction
1.1. Tungsten Replicator
1.1.1. Transaction History Log (THL)
1.2. Tungsten Manager
1.3. Tungsten Connector
2. Deployment
2.1. Host Types
2.1.1. Manager Hosts
2.1.2. Connector (Router) Hosts
2.1.3. Replicator Hosts
2.1.4. Witness Hosts
2.2. Requirements
2.2.1. Operating Systems Support
2.2.2. Database Support
2.2.3. RAM Requirements
2.2.4. Disk Requirements
2.2.5. Java Requirements
2.2.6. Cloud Deployment Requirements
2.3. Deployment Sources
2.3.1. Using the TAR/GZipped files
2.3.2. Using the RPM and DEB package files
2.4. Common tpm Options During Deployment
2.5. Best Practices
2.5.1. Best Practices: Deployment
2.5.2. Best Practices: Operations
2.5.3. Best Practices: Maintenance
2.6. Prepare Hosts
2.6.1. Prepare MySQL Hosts
2.6.2. Prepare Connector Hosts
2.6.3. Prepare Active Witness Hosts
2.6.4. Deploy SSH Keys
2.7. Deploying SSL Secured Replication and Administration
2.7.1. Creating the Truststore and Keystore
2.7.2. SSL and Administration Authentication
2.7.3. Configuring the Secure Service through tpm
2.7.4. Configuring Connector SSL
2.7.5. Connector SSL Example Procedure
3. Deployment: MySQL Topologies
3.1. Deploying a Master/Slave Cluster
3.1.1. Prepare: Master/Slave Cluster
3.1.2. Install: Master/Slave Cluster
3.1.3. Best Practices: Master/Slave Cluster
3.2. Deploying Multisite/Multimaster Clusters
3.2.1. Prepare: Multisite/Multimaster Clusters
3.2.2. Install: Multisite/Multimaster Clusters
3.2.3. Best Practices: Multisite/Multimaster Clusters
3.2.4. Configuring Startup on Boot
3.2.5. Performing Schema Changes
3.2.6. Resetting a single dataservice
3.2.7. Resetting all dataservices
3.2.8. Provisioning during live operations
3.2.9. Dataserver maintenance
3.3. Deploying a Composite (SOR) Cluster
3.3.1. Prepare: Composite (SOR) Cluster
3.3.2. Install: Composite (SOR) Cluster
3.3.3. Best Practices: Composite (SOR) Cluster
3.4. Replicating Data Out of an Existing Cluster
3.5. Replicating Data Into an Existing Dataservice
3.6. Deploying Additional Datasources, Managers, or Connectors
3.6.1. Adding Datasources to an Existing Deployment
3.6.2. Adding Active Witnesses to an Existing Deployment
3.6.3. Adding Passive Witnesses to an Existing Deployment
3.6.4. Adding Connectors to an Existing Deployment
3.6.5. Adding a remote Composite Cluster
3.7. Deploying Tungsten Connector Only
3.8. Migrating and Seeding Data
3.8.1. Migrating from MySQL Native Replication 'In-Place'
3.8.2. Migrating from MySQL Native Replication Using a New Service
3.8.3. Seeding Data through MySQL
4. Deployment: Advanced
4.1. Deploying Parallel Replication
4.1.1. Application Prerequisites for Parallel Replication
4.1.2. Enabling Parallel Apply
4.1.3. Channels
4.1.4. Disk vs. Memory Parallel Queues
4.1.5. Parallel Replication and Offline Operation
4.1.6. Adjusting Parallel Replication After Installation
4.1.7. Monitoring Parallel Replication
4.1.8. Controlling Assignment of Shards to Channels
4.2. Starting and Stopping Continuent Tungsten
4.2.1. Restarting the Replicator Service
4.2.2. Restarting the Connector Service
4.2.3. Restarting the Manager Service
4.2.4. Restarting the Multisite/Multimaster Replicator Service
4.3. Configuring Startup on Boot
4.3.1. Configuring Multisite/Multimaster Replicator Startup on Boot
4.4. Upgrading Continuent Tungsten
4.4.1. Upgrading using the Staging Method (with ssh Access)
4.4.2. Upgrading when using INI-based configuration, or without ssh Access
4.4.3. Upgrading from Continuent Tungsten 1.5.3/1.5.4 to Continuent Tungsten 2.0
4.4.4. Installing an Upgraded JAR Patch
4.5. Downgrading to an Earlier Release
4.6. Removing Datasources, Managers or Connectors
4.6.1. Removing a Datasource from an Existing Deployment
4.6.2. Removing a Composite Datasource/Cluster from an Existing Deployment
4.6.3. Removing a Connector from an Existing Deployment
5. Operations Guide
5.1. The Continuent Tungsten Home Directory
5.2. Establishing the Shell Environment
5.3. Checking Dataservice Status
5.3.1. Latency or Relative Latency Display
5.3.2. Getting Detailed Information
5.3.3. Understanding Datasource Roles
5.3.4. Understanding Datasource States
5.3.5. Changing Datasource States
5.3.6. Datasource Statuses
5.3.7. Datasource States and Policy Mode Interactions
5.4. Policy Modes
5.4.1. Setting Policy Modes
5.5. Switching Master Hosts
5.5.1. Automatic Master Switch
5.5.2. Manual Master Switch
5.6. Datasource Recovery Steps
5.6.1. Recover a failed slave
5.6.2. Recover a failed master
5.7. Composite Cluster Switching, Failover and Recovery
5.7.1. Composite Cluster Site Switch
5.7.2. Composite Cluster Site Failover (Forced Switch)
5.7.3. Composite Cluster Site Recovery
5.7.4. Composite Cluster Relay Recovery
5.8. Managing Transaction Failures
5.8.1. Identifying a Transaction Mismatch
5.8.2. Skipping Transactions
5.9. Creating a Backup
5.9.1. Using a Different Backup Tool
5.9.2. Automating Backups
5.9.3. Using a Different Directory Location
5.9.4. Creating an External Backup
5.10. Restoring a Backup
5.10.1. Restoring a Specific Backup
5.10.2. Restoring an External Backup
5.10.3. Restoring from Another Slave
5.10.4. Manually Recovering from Another Slave
5.10.5. Rebuilding a Lost Datasource
5.10.6. Resetting an Entire Dataservice from Filesystem Snapshots
5.11. Migrating and Seeding Data
5.11.1. Migrating from MySQL Native Replication 'In-Place'
5.11.2. Migrating from MySQL Native Replication Using a New Service
5.11.3. Seeding Data through MySQL
5.12. Resetting a Continuent Tungsten Dataservice
5.12.1. Reset a Single Site in a Multisite/Multimaster Topology
5.12.2. Reset All Sites in a Multisite/Multimaster topology
5.13. Replicator Fencing
5.13.1. Fencing a Slave Node Due to a Replication Fault
5.13.2. Fencing Master Replicators
5.14. Performing Database or OS Maintenance
5.14.1. Performing Maintenance on a Single Slave
5.14.2. Performing Maintenance on a Master
5.14.3. Performing Maintenance on an Entire Dataservice
5.14.4. Making Online Schema Changes
5.14.5. Upgrading or Updating your JVM
5.15. Performing Continuent Tungsten Maintenance
5.16. Monitoring Continuent Tungsten
5.16.1. Managing Log Files with logrotate
5.16.2. Monitoring Status Using cacti
5.16.3. Monitoring Status Using nagios
5.17. Rebuilding THL on the Master
6. Tungsten Connector
6.1. Connector/Application Basics
6.1.1. Connector Control Flow
6.2. Clients and Deployment
6.2.1. Connection Pools
6.3. Routing Methods
6.3.1. Connector Routing Methods
6.3.2. Connector Quality of Service (QoS) Selection
6.3.3. Connector Load Balancers
6.3.4. Specifying Required Latency
6.3.5. Setting Host Affinity and Direct Reads
6.3.6. Smartscale Routing
6.3.7. Direct Routing
6.3.8. SQL Routing
6.3.9. Host-based Routing
6.3.10. Port-based Routing
6.3.11. Read-only Routing
6.4. Using Bridge Mode
6.4.1. Enabling Bridge Mode
6.5. User Authentication
6.5.1. File Format
6.5.2. Direct Routing
6.5.3. Host Options
6.5.4. Updates
6.5.5. Generating Entries from a Script
6.5.6. Encrypting Data
6.5.7. Synchronizing Data
6.5.8. Limitations
6.5.9. Host-based Authentication
6.6. Connector Operational States
6.6.1. Connections During Automatic Failure/Failover
6.6.2. Connections During Manual Switch/Failover
6.6.3. Connections During Connection Failures
6.6.4. Other Errors
6.6.5. Connector Keepalive
6.7. Connector/Manager Interface
6.8. Connector Inline Command Interface
6.8.1. Connector tungsten cluster status Command
6.8.2. Connector tungsten connection count Command
6.8.3. Connector tungsten connection status Command
6.8.4. Connector tungsten flush privileges Command
6.8.5. Connector tungsten gc Command
6.8.6. Connector tungsten help Command
6.8.7. Connector tungsten mem info Command
6.8.8. Connector tungsten show [full] processlist Command
6.8.9. Connector show slave status Command
6.8.10. Connector tungsten show variables Command
6.9. Advanced Configuration
6.9.1. Using Multiple Dataservices
6.9.2. Connector Automatic Reconnect
6.9.3. Using with HA Proxy
6.9.4. Using Fall-Back Bridge Mode
6.9.5. Using the Max Connections Feature
6.9.6. Adjusting the Client Disconnect Delay During Manual Switch
6.9.7. Adjusting the Bridge Mode Forced Client Disconnect Timeout
6.10. Connector General Limitations
7. Tungsten Manager
7.1. Tungsten Manager Introduction
7.2. Tungsten Manager Failover Tuning
7.3. Tungsten Manager Fault Detection, Fencing and Recovery
7.3.1. Tungsten Manager Definitions
7.3.2. Cluster Monitoring and Notification Events
7.3.3. Rule Organization - Detection, Investigation, Fencing, Recovery
8. Command-line Tools
8.1. The cctrl Command
8.1.1. cctrl Command-line Options
8.1.2. cctrl Modes
8.1.3. cctrl Commands
8.2. The check_tungsten_latency Command
8.3. The check_tungsten_online Command
8.4. The check_tungsten_progress Command
8.5. The check_tungsten_services Command
8.6. The cluster_backup Command
8.7. The connector Command
8.8. The ddlscan Command
8.8.1. Optional Arguments
8.8.2. Supported Templates and Usage
8.9. The deployall Command
8.10. Script
8.11. The manager Command
8.12. The multi_trepctl Command
8.12.1. multi_trepctl Options
8.12.2. multi_trepctl Commands
8.13. The replicator Command
8.14. The Command
8.15. The startall Command
8.16. The stopall Command
8.17. The thl Command
8.17.1. thl Position Commands
8.17.2. thl list Command
8.17.3. thl index Command
8.17.4. thl purge Command
8.17.5. thl info Command
8.17.6. thl help Command
8.18. The trepctl Command
8.18.1. trepctl Options
8.18.2. trepctl Global Commands
8.18.3. trepctl Service Commands
8.19. The tpasswd Command
8.20. The tungsten_health_check Script
8.21. The tungsten_monitor Script
8.22. The tungsten_nagios_backups Command
8.23. The tungsten_nagios_online Command
8.24. The tungsten_provision_slave Script
8.25. The tungsten_read_master_events Script
8.26. The tungsten_set_position Script
8.27. The undeployall Command
8.28. The Command
8.29. The zabbix_tungsten_latency Command
8.30. The zabbix_tungsten_online Command
8.31. The zabbix_tungsten_progress Command
8.32. The zabbix_tungsten_services Command
9. The tpm Deployment Command
9.1. Comparing Staging and INI tpm Methods
9.2. Processing Installs and Upgrades
9.3. tpm Staging Configuration
9.3.1. Configuring default options for all services
9.3.2. Configuring a single service
9.3.3. Configuring a single host
9.3.4. Reviewing the current configuration
9.3.5. Installation
9.3.6. Upgrades from a Staging Directory
9.3.7. Configuration Changes from a Staging Directory
9.3.8. Converting from INI to Staging
9.4. tpm INI File Configuration
9.4.1. Creating an INI file
9.4.2. Installation with INI File
9.4.3. Upgrades with an INI File
9.4.4. Configuration Changes with an INI file
9.4.5. Converting from Staging to INI
9.5. tpm Commands
9.5.1. tpm configure Command
9.5.2. tpm connector Command
9.5.3. tpm diag Command
9.5.4. tpm fetch Command
9.5.5. tpm firewall Command
9.5.6. tpm help Command
9.5.7. tpm install Command
9.5.8. tpm mysql Command
9.5.9. tpm promote Command
9.5.10. tpm promote-connector Command
9.5.11. tpm query Command
9.5.12. tpm reset Command
9.5.13. tpm reset-thl Command
9.5.14. tpm restart Command
9.5.15. tpm reverse Command
9.5.16. tpm ssh-copy-cert Command
9.5.17. tpm start Command
9.5.18. tpm stop Command
9.5.19. tpm update Command
9.5.20. tpm validate Command
9.5.21. tpm validate-update Command
9.6. tpm Common Options
9.7. tpm Validation Checks
9.8. tpm Configuration Options
9.8.1. A tpm Options
9.8.2. B tpm Options
9.8.3. C tpm Options
9.8.4. D tpm Options
9.8.5. E tpm Options
9.8.6. H tpm Options
9.8.7. I tpm Options
9.8.8. J tpm Options
9.8.9. L tpm Options
9.8.10. M tpm Options
9.8.11. N tpm Options
9.8.12. P tpm Options
9.8.13. R tpm Options
9.8.14. S tpm Options
9.8.15. T tpm Options
9.8.16. U tpm Options
9.8.17. V tpm Options
9.8.18. W tpm Options
10. Replication Filters
10.1. Enabling/Disabling Filters
10.2. Enabling Additional Filters
10.3. Filter Status
10.4. Filter Reference
10.4.1. ansiquotes.js Filter
10.4.2. BidiRemoteSlave (BidiSlave) Filter
10.4.3. breadcrumbs.js Filter
10.4.4. BuildAuditTable Filter
10.4.5. BuildIndexTable Filter
10.4.6. CaseMapping (CaseTransform) Filter
10.4.7. CDCMetadata (CustomCDC) Filter
10.4.8. ColumnName Filter
10.4.9. ConsistencyCheck Filter
10.4.10. DatabaseTransform (dbtransform) Filter
10.4.11. dbrename.js Filter
10.4.12. dbselector.js Filter
10.4.13. dbupper.js Filter
10.4.14. dropcolumn.js Filter
10.4.15. dropcomments.js Filter
10.4.16. dropmetadata.js Filter
10.4.17. dropstatementdata.js Filter
10.4.18. Dummy Filter
10.4.19. EnumToString Filter
10.4.20. EventMetadata Filter
10.4.21. foreignkeychecks.js Filter
10.4.22. Heartbeat Filter
10.4.23. insertsonly.js Filter
10.4.24. Logging Filter
10.4.25. MySQLSessionSupport (mysqlsessions) Filter
10.4.26. NetworkClient Filter
10.4.27. nocreatedbifnotexists.js Filter
10.4.28. OptimizeUpdates Filter
10.4.29. PrimaryKey Filter
10.4.30. PrintEvent Filter
10.4.31. Rename Filter
10.4.32. ReplicateColumns Filter
10.4.33. Replicate Filter
10.4.34. SetToString Filter
10.4.35. Shard Filter
10.4.36. shardbyseqno.js Filter
10.4.37. shardbytable.js Filter
10.4.38. TimeDelay (delay) Filter
10.4.39. tosingledb.js Filter
10.4.40. truncatetext.js Filter
10.4.41. zerodate2null.js Filter
10.5. JavaScript Filters
10.5.1. Writing JavaScript Filters
11. Performance and Tuning
11.1. Block Commit
11.1.1. Monitoring Block Commit Status
11.2. Improving Network Performance
11.3. Enable Heterogeneous Replication from a Cluster
11.4. Tungsten Replicator Block Commit and Memory Usage
11.5. Connector Memory Management
A. Troubleshooting
A.1. Contacting Support
A.1.1. Support Request Procedure
A.1.2. Creating a Support Account
A.1.3. Generating Diagnostic Information
A.1.4. Open a Support Ticket
A.1.5. Open a Support Ticket via Email
A.1.6. Getting Updates for all Company Support Tickets
A.1.7. Support Severity Level Definitions
A.2. Error/Cause/Solution
A.2.1. Replicator runs out of memory
A.2.2. Too many open processes or files
A.2.3. Starting replication after performing a restore because of an invalid restart sequence number
A.2.4. Replicator reports an Out of Memory error
A.2.5. Lots of entries added to replicator log
A.2.6. Backup agent name not found: xtrabackup-full
A.2.7. Event application failed: seqno=20725782 fragno=0 message=java.sql.SQLDataException: Data too long for column 'eventid' at row 1
A.2.8. pendingExceptionMessage": "Unable to update last commit seqno: Incorrect datetime value: '2016-03-13 02:02:26' for column 'update_timestamp' at row 1
A.2.9. Replicator fails to connect after updating password
A.2.10. [S1000][unixODBC][MySQL][ODBC 5.3(w) Driver]SSL connection error: unknown error number [ISQL]ERROR: Could not SQLConnect
A.2.11. The master replicator stopped with a JDBC error.
A.2.12. Error: could not settle on encryption_client algorithm
A.2.13. Replication latency very high
A.2.14. MySQL is incorrectly configured
A.2.15. cctrl reports MANAGER(state=STOPPED)
A.2.16. Attempt to write new log record with equal or lower fragno: seqno=3 previous stored fragno=32767 attempted new fragno=-32768
A.2.17. trepctl status hangs
A.2.18. element 'mysql_readonly' not found in path
A.2.19. ERROR 2013 (HY000) at line 583: Lost connection to MySQL server during query
A.2.20. ERROR 1010 (HY000) at line 5094506: Error dropping database (can't rmdir './mysql-bin/', errno: 17)
A.2.21. Services requires a reset
A.2.23. Latency is high: master:ONLINE, progress=41331580333, THL latency=78849.733
A.2.24. Connector shows errors with " Broken pipe"
A.2.25. ERROR 1580 (HY000) at line 5093787: You cannot 'DROP' a log table if logging is enabled
A.2.26. Triggers not firing correctly on slave
A.2.27. cctrl hangs
A.2.28. Unable to update the configuration of an installed directory
A.2.29. WARN [KeepAliveTimerTask] - Error while sending a KEEP_ALIVE query to connection.
A.2.30. Backup/Restore is not being my host back to normal
A.3. Known Issues
A.3.1. Triggers
A.4. Troubleshooting Timeouts
A.5. Troubleshooting Backups
A.6. Running Out of Diskspace
A.7. Troubleshooting SSH and tpm
A.8. Troubleshooting Data Differences
A.8.1. Identify Structural Differences
A.8.2. Identify Data Differences
A.9. Comparing Table Data
A.10. Troubleshooting Memory Usage
B. Release Notes
B.1. Continuent Tungsten 2.0.5 GA (24 Dec 2014)
B.2. Continuent Tungsten 2.0.4 GA (9 Sep 2014)
B.3. Continuent Tungsten 2.0.3 GA (1 Aug 2014)
B.4. Continuent Tungsten 2.0.2 GA (19 May 2014)
B.5. Continuent Tungsten 2.0.1 GA (3 January 2014)
C. Prerequisites
C.1. Staging Host Configuration
C.2. Host Configuration
C.2.1. Creating the User Environment
C.2.2. Configuring Network and SSH Environment
C.2.3. Directory Locations and Configuration
C.2.4. Configure Software
C.2.5. sudo Configuration
C.3. MySQL Database Setup
C.3.1. MySQL Version Support
C.3.2. MySQL Configuration
C.3.3. MySQL User Configuration
C.4. Oracle Database Setup
C.4.1. Oracle Version Support
C.4.2. Oracle Environment Variables
D. Terminology Reference
D.1. Transaction History Log (THL)
D.1.1. THL Format
D.2. Generated Field Reference
D.2.1. Terminology: Fields accessFailures
D.2.2. Terminology: Fields active
D.2.3. Terminology: Fields activeSeqno
D.2.4. Terminology: Fields appliedLastEventId
D.2.5. Terminology: Fields appliedLastSeqno
D.2.6. Terminology: Fields appliedLatency
D.2.7. Terminology: Fields applier.class
D.2.8. Terminology: Fields
D.2.9. Terminology: Fields applyTime
D.2.10. Terminology: Fields autoRecoveryEnabled
D.2.11. Terminology: Fields autoRecoveryTotal
D.2.12. Terminology: Fields averageBlockSize
D.2.13. Terminology: Fields blockCommitRowCount
D.2.14. Terminology: Fields cancelled
D.2.15. Terminology: Fields channel
D.2.16. Terminology: Fields channels
D.2.17. Terminology: Fields clusterName
D.2.18. Terminology: Fields commits
D.2.19. Terminology: Fields committedMinSeqno
D.2.20. Terminology: Fields criticalPartition
D.2.21. Terminology: Fields currentBlockSize
D.2.22. Terminology: Fields currentEventId
D.2.23. Terminology: Fields currentLastEventId
D.2.24. Terminology: Fields currentLastFragno
D.2.25. Terminology: Fields currentLastSeqno
D.2.26. Terminology: Fields currentTimeMillis
D.2.27. Terminology: Fields dataServerHost
D.2.28. Terminology: Fields discardCount
D.2.29. Terminology: Fields doChecksum
D.2.30. Terminology: Fields estimatedOfflineInterval
D.2.31. Terminology: Fields eventCount
D.2.32. Terminology: Fields extensions
D.2.33. Terminology: Fields extractTime
D.2.34. Terminology: Fields extractor.class
D.2.35. Terminology: Fields
D.2.36. Terminology: Fields filter.#.class
D.2.37. Terminology: Fields
D.2.38. Terminology: Fields filterTime
D.2.39. Terminology: Fields flushIntervalMillis
D.2.40. Terminology: Fields fsyncOnFlush
D.2.41. Terminology: Fields headSeqno
D.2.42. Terminology: Fields intervalGuard
D.2.43. Terminology: Fields lastCommittedBlockSize
D.2.44. Terminology: Fields lastCommittedBlockTime
D.2.45. Terminology: Fields latestEpochNumber
D.2.46. Terminology: Fields logConnectionTimeout
D.2.47. Terminology: Fields logDir
D.2.48. Terminology: Fields logFileRetainMillis
D.2.49. Terminology: Fields logFileSize
D.2.50. Terminology: Fields masterConnectUri
D.2.51. Terminology: Fields masterListenUri
D.2.52. Terminology: Fields maxChannel
D.2.53. Terminology: Fields maxDelayInterval
D.2.54. Terminology: Fields maxOfflineInterval
D.2.55. Terminology: Fields maxSize
D.2.56. Terminology: Fields maximumStoredSeqNo
D.2.57. Terminology: Fields minimumStoredSeqNo
D.2.58. Terminology: Fields name
D.2.59. Terminology: Fields offlineRequests
D.2.60. Terminology: Fields otherTime
D.2.61. Terminology: Fields pendingError
D.2.62. Terminology: Fields pendingErrorCode
D.2.63. Terminology: Fields pendingErrorEventId
D.2.64. Terminology: Fields pendingErrorSeqno
D.2.65. Terminology: Fields pendingExceptionMessage
D.2.66. Terminology: Fields pipelineSource
D.2.67. Terminology: Fields processedMinSeqno
D.2.68. Terminology: Fields queues
D.2.69. Terminology: Fields readOnly
D.2.70. Terminology: Fields relativeLatency
D.2.71. Terminology: Fields resourcePrecedence
D.2.72. Terminology: Fields rmiPort
D.2.73. Terminology: Fields role
D.2.74. Terminology: Fields seqnoType
D.2.75. Terminology: Fields serializationCount
D.2.76. Terminology: Fields serialized
D.2.77. Terminology: Fields serviceName
D.2.78. Terminology: Fields serviceType
D.2.79. Terminology: Fields shard_id
D.2.80. Terminology: Fields simpleServiceName
D.2.81. Terminology: Fields siteName
D.2.82. Terminology: Fields sourceId
D.2.83. Terminology: Fields stage
D.2.84. Terminology: Fields started
D.2.85. Terminology: Fields state
D.2.86. Terminology: Fields stopRequested
D.2.87. Terminology: Fields store.#
D.2.88. Terminology: Fields storeClass
D.2.89. Terminology: Fields syncInterval
D.2.90. Terminology: Fields taskCount
D.2.91. Terminology: Fields taskId
D.2.92. Terminology: Fields timeInStateSeconds
D.2.93. Terminology: Fields timeoutMillis
D.2.94. Terminology: Fields totalAssignments
D.2.95. Terminology: Fields transitioningTo
D.2.96. Terminology: Fields uptimeSeconds
D.2.97. Terminology: Fields version
E. Files, Directories, and Environment
E.1. The Continuent Tungsten Install Directory
E.1.1. The backups Directory
E.1.2. The releases Directory
E.1.3. The service_logs Directory
E.1.4. The share Directory
E.1.5. The thl Directory
E.1.6. The tungsten Directory
E.2. Log Files
E.3. Environment Variables
F. Internals
F.1. Extending Backup and Restore Behavior
F.1.1. Backup Behavior
F.1.2. Restore Behavior
F.1.3. Writing a Custom Backup/Restore Script
F.1.4. Enabling a Custom Backup Script
F.2. Character Sets in Database and Continuent Tungsten
F.3. Understanding Replication of Date/Time Values
F.3. Best Practices
F.4. Memory Tuning and Performance
F.4.1. Understanding Tungsten Replicator Memory Tuning
F.4.2. Connector Memory Management
F.5. Tungsten Replicator Stages
F.6. Continuent Tungsten Schemas
G. Frequently Asked Questions (FAQ)
G.1. General Questions
G.2. Oracle Extractor Questions
G.3. Cloud Deployment and Management
H. Ecosystem Support
I. Configuration Property Reference

List of Tables

1.1. Key Terminology
2.1. Key Terminology
6.1. Routing Method Selection
6.2. Inline Interface Commands
8.1. cctrl Command-line Options
8.2. cctrl Command-line Options
8.3. cctrl Command-line Options
8.4. cctrl Command-line Options
8.5. cctrl Command-line Options
8.6. cctrl Command-line Options
8.7. cctrl Command-line Options
8.8. cctrl Command-line Options
8.9. cctrl Command-line Options
8.10. cctrl Command-line Options
8.11. cctrl Commands
8.12. cctrldatasource Commands
8.13. check_tungsten_latency Options
8.14. check_tungsten_online Options
8.15. check_tungsten_progress Options
8.16. check_tungsten_services Options
8.17. ddlscan Command-line Options
8.18. ddlscan Supported Templates
8.19. manager Commands
8.20. multi_trepctl Command-line Options
8.21. multi_trepctl--output Option
8.22. multi_trepctl Commands
8.23. replicator Commands
8.24. replicator Commands Options for condrestart
8.25. replicator Commands Options for console
8.26. replicator Commands Options for restart
8.27. replicator Commands Options for start
8.28. setupCDC.conf Configuration Options
8.29. thl Options
8.30. trepctl Command-line Options
8.31. trepctl Replicator Wide Commands
8.32. trepctl Service Commands
8.33. trepctl backup Command Options
8.34. trepctl clients Command Options
8.35. trepctl offline-deferred Command Options
8.36. trepctl online Command Options
8.37. trepctl purge Command Options
8.38. trepctl reset Command Options
8.39. trepctl setrole Command Options
8.40. trepctl shard Command Options
8.41. trepctl status Command Options
8.42. trepctl wait Command Options
8.43. tpasswd Common Options
8.44. tungsten_health_check Command-line Options
8.45. tungsten_monitor Command-line Options
8.46. tungsten_provision_slave Command-line Options
8.47. tungsten_read_master_events Command-line Options
8.48. tungsten_set_position Command-line Options
9.1. TPM Deployment Methods
9.2. tpm Core Options
9.3. tpm Commands
9.4. tpm Common Options
9.5. tpm Validation Checks
9.6. tpm Configuration Options
D.1. THL Event Format
E.1. Continuent Tungsten Directory Structure
E.2. Continuent Tungsten tungsten Sub-Directory Structure