All Projects : Tungsten Replicator (Key: TREP)

Project Lead: Robert Hodges
URL: http://www.continuent.com/community/tungsten-replicator
Description:
Tungsten replicator, an open source master/slave replicator specially designed for high availability.

Release Notes

Road Map View personal road map Scope: next 3 versions | all versions Tungsten Replicator 1.0.4 ( 18/Sep/09 | Release Notes ) Progress:    36 of 37 issues have been resolved Additional bug fixes; purge capability    TREP-398 UNRESOLVED TREP-397 Same issue also exists if using replicator.schema contains specific character (e.g. tungsten-1)    TREP-40 FIXED Add session context information to SQL event    TREP-179 FIXED Implement capability to break up large transactions into fragments    TREP-214 FIXED Inserting empty Clob value to slave transforms to null at slave    TREP-361 FIXED MySQLExtractor does not properly handle MySQLExtractException which is generated by Log_event.read_log_event method    TREP-339 FIXED Tungsten replicator does not replicate temporary tables correctly in MySQL statement replication    TREP-376 FIXED thl purge -y -high $seqno should never completely empty the history table.    TREP-298 FIXED Calls to get max/min sequence numbers slow replicator and generate floods of messages in log    TREP-362 FIXED TREP-336 Implement a timeout while waiting for data to be available    TREP-353 FIXED Intermittent issue with master side hang while waiting for heartbeat    TREP-363 FIXED Log_event.read_log_event sometimes fails with "EOFException while reading 0 bytes from binlog"    TREP-358 FIXED MySQL extraction may fail because of a timestamp value    TREP-345 FIXED MySQLExtractor does not handle DECIMAL(precision, scale) type properly    TREP-337 FIXED Slave to master transition may hang    TREP-379 FIXED The MySQL extractor does not extract columns of type "bit()" correctly    TREP-375 FIXED Tracing of actions taken during a planned switch should be moved from logger.debug() to logger.info()    TREP-347 FIXED database/OracleDatabase.createTable() does not handle non-unique indexes. These are critical for the tungsten.history table.    TREP-341 WON'T FIX Slave needs to "catch up to itself" before becoming master.    TREP-311 CANNOT REPRODUCE Tungsten Replicator fails with out of memory error while reading MySQL binlog    TREP-388 FIXED 'thl purge' commands without any parameters fails    TREP-357 FIXED TREP-351 AbstractBackupAgent should provide a way to have pre- and post- restore process actions    TREP-366 FIXED Backup fails with error when trying to delete expired backups dumped by previous replicator version    TREP-386 FIXED Consistency check can fail if the checked table contains a TINYINT(1) column    TREP-352 FIXED Default mysqldump backup configuration fails    TREP-383 FIXED High memory usage in JDBCApplier, which can lead to out of memory errors    TREP-351 FIXED Implement PostgreSQL backuper    TREP-367 FIXED Implement slave hot backup support    TREP-346 FIXED TREP-345 Length of MYSQL_TYPE_STRING column type is not correctly extracted    TREP-402 FIXED MediumInt datatype (signed) does not replicate correctly, which leads to slave inconsistencies    TREP-364 FIXED MySQLExtractor.extract(String id) does not take into account the session id that was added to the event id string    TREP-356 FIXED TREP-351 Part of the backup / restore mechanism should be factorized in an abstract class    TREP-355 FIXED TREP-351 Provide a way to store TungstenProperties files alphabetically sorted to have them more human readable    TREP-382 FIXED Remove GC libraries from the project    TREP-385 FIXED Support LOAD DATA INFILE command in MySQL statement replication    TREP-387 FIXED The 'thl info' command fails on MySQL with a syntax error    TREP-389 FIXED Update default JavaScript filters and their paths in replicator.properties    TREP-397 FIXED When using statement replication, applier fails if the database name contains special characters (e.g. a minus symbol) Tungsten Replicator 2.0 ( 31/Aug/09 | Release Notes ) Progress:    27 of 76 issues have been resolved Next full feature release of Tungsten Replicator    TREP-167 UNRESOLVED Column names are not determined in some heterogeneous OS/DB environments in the applier    TREP-318 UNRESOLVED Add protocol to detect lost transactions due to failover following a master crash    TREP-189 UNRESOLVED Database class needs to cache connections and drop them when they are disused for a certain period of time    TREP-70 UNRESOLVED Dynamic system variables not replicating to slave session    TREP-180 UNRESOLVED Implement relay slave protocol    TREP-181 UNRESOLVED Implement rolling upgrades for Tungsten Replicator    TREP-197 UNRESOLVED MySQL row extractor does not populate column names in row updates    TREP-349 UNRESOLVED O(n^2) loop in JdbcApplier.java for every DML - binding col names to col numbers.    TREP-279 UNRESOLVED Re-organize consistency checking code to make it more maintainable    TREP-369 UNRESOLVED ReplEvent.addChecksum() uses serialization which becomes unresponsive on events with a lot of rows    TREP-192 UNRESOLVED TREP-94 Rollback cause auto_increment values to get out of sync between master and slave on statement replication    TREP-281 UNRESOLVED Support parallel replication to slaves    TREP-377 UNRESOLVED THL on slave side can exit with ConcurrentModificationException    TREP-260 UNRESOLVED The row level applier code in JdbcApplier.java should use Jdbc batching feature for prepared statements - now we do one row at a time.    TREP-348 UNRESOLVED "Packet for query is too large" error even with "max_allowed_packet=16m"    TREP-171 UNRESOLVED A filter to map database names correctly using regular expressions    TREP-393 UNRESOLVED Add support for Drizzle databases    TREP-129 UNRESOLVED TREP-72 At startup replicator should automatically go to its previous state    TREP-261 UNRESOLVED Consider keeping prepared statements openned in JdbcApplier.applyOneRowChangePrepared()    TREP-272 UNRESOLVED Expose underlying database URL and Driver as new JMX calls    TREP-312 UNRESOLVED Extractor errors while dumping sakila-data.sql    TREP-359 UNRESOLVED Flush hangs if mysql is started with skip-innodb option    TREP-365 UNRESOLVED If slave is unable to apply any change the reported latency is not updated.    TREP-309 UNRESOLVED TREP-306 Implement MariaDB support for Tungsten tables    TREP-152 UNRESOLVED Improve help for trep_ctl so that manual is not necessary to operate    TREP-142 UNRESOLVED Interleaved transactions cause rows to be ordered differently between master and slave    TREP-141 UNRESOLVED TREP-94 Interleaved transactions may cause auto_increment values to get out of sync between master and slave    TREP-384 UNRESOLVED TREP-276 Investigate possible prepared statements leak related to TREP-276 fix    TREP-220 UNRESOLVED Java Heap Space error with thl list command    TREP-277 UNRESOLVED TREP-276 JdbcApplier: on row replication go to OFFLINE:ERROR if updateCount was 0    TREP-291 UNRESOLVED Logs fill disk up when encountering binlog read error    TREP-75 UNRESOLVED MySQL binlog USER_VAR_EVENT is not supported completely    TREP-322 UNRESOLVED Need to add a script to run the thl on Windows    TREP-130 UNRESOLVED Provide a fool-proof way to detect replication context    TREP-308 UNRESOLVED TREP-305 Replicator should start as a windows service    TREP-370 UNRESOLVED Serializing the same ReplDBMSEvent object twice?    TREP-343 UNRESOLVED Slave latency often not being computed correctly. Often "0.0" when clearly a positive value is indicated    TREP-371 UNRESOLVED Switching from slave->master and back leaks open files eventually causing failure.    TREP-254 UNRESOLVED Tungsten Replicator does not handle certain Unicode sequences correctly    TREP-127 UNRESOLVED Upgrade from Alpha to Beta version exposed issues with the tungsten database schema - start planning for upgrade path now    TREP-145 UNRESOLVED add windows java service wrapper    TREP-300 UNRESOLVED trepctl does not react to replicator.rmi_port property    TREP-333 UNRESOLVED It has been reported at a customer site that CREATE DATABASE was not getting executed in MySQL    TREP-216 UNRESOLVED More than one way to handle dates. Perhaps we should allow customers to specify which method?    TREP-335 UNRESOLVED MySQL applier/extractor should warn if default table type is MyISAM    TREP-302 UNRESOLVED Potential troubles replicating BLOBs into Oracle.    TREP-350 UNRESOLVED THL list command does not display column names in MySQL row level extraction.    TREP-163 UNRESOLVED binlog_file_pattern parameter is not working as it supposed to    TREP-172 UNRESOLVED TREP-111 thl tool's ability to output row change events in SQL form    TREP-179 FIXED Implement capability to break up large transactions into fragments    TREP-380 FIXED MySQLSessionFilter fails with NullPointerException    TREP-104 FIXED Replication fails or corrupts data when applying blob data with MySQL statement replication    TREP-43 FIXED TREP-40 Thread ID replication    TREP-199 WON'T FIX Extend architecture to add a serialization filter for storing and retrieving replication events in/from THL    TREP-54 WON'T FIX Implement generic statement replication    TREP-231 FIXED DummyApplier is broken    TREP-354 FIXED Generation of full source TGZ and ZIP build    TREP-368 FIXED Rename "trepsvc" to "replicator"    TREP-215 FIXED Replication of blob crashes the slave    TREP-213 FIXED Replication of user priviledge revoke fails    TREP-385 FIXED Support LOAD DATA INFILE command in MySQL statement replication    TREP-223 FIXED VersionManager is not compatible with DummyTHLStorage    TREP-304 WON'T FIX Add a purge feature to clear the THL up to a particular sequence number    TREP-56 WON'T FIX Allow flexible handling of SQL apply errors on slave    TREP-135 WON'T FIX Chapter about setting up master-master replication using Tungsten Replicator    TREP-13 WON'T FIX DatabaseSchemaCollector    TREP-233 WON'T FIX GRANT crashes slave applier    TREP-288 WON'T FIX Replicator needs an 'initialize' method    TREP-210 WON'T FIX Status table in a master for details on slaves    TREP-334 WON'T FIX Warn if replicator is a slave but thl.remote_uri points to itself    TREP-394 DUPLICATE Add ability to start replication at a particular event ID in the log    TREP-360 DUPLICATE Master's extractor needs to be able to start at a point in time specified by the customer.    TREP-315 FIXED JavaScriptFilter: a sample on how to add new events    TREP-198 FIXED the basic tungsten username and password is required in too many places in the .properties file.    TREP-137 FIXED trep_start.bat does not work if a space exists in JAVA_HOME install path    TREP-326 WON'T FIX Develop primitive memory tracing for the replicator Tungsten Replicator 3.0 ( Release Notes ) Progress:    6 of 6 issues have been resolved Various futures that are candidates for implementation in a future release    TREP-6 WON'T FIX Implement continuous consistency checks for replication    TREP-35 WON'T FIX Implement procedure for zero-downtime application or database upgrade using a master and one or more slaves    TREP-12 WON'T FIX TREP-6 ConsistencyCheckScheduler integration and testing    TREP-11 WON'T FIX TREP-6 Design and implement ConsistencyCheckScheduler    TREP-108 WON'T FIX Implement catalog table to track slave positions in THL    TREP-98 WON'T FIX Our use of auto commit and batch update in JDBC is "implementation defined" and therefore incorrect

Reports

Preset Filters

Project Summary

	Open	52	13%
	Resolved	322	83%
	Closed	12	3%

Open Issues

	Blocker	2	4%
	Critical	13	25%
	Major	30	58%
	Minor	7	13%

By Assignee

Linas Virbalas	7	13%
Robert Hodges	31	60%
Scott Martin	3	6%
Seppo Jaakola	5	10%
Stephane Giron	4	8%
Teemu Ollakka	2	4%