MariaDB to Pulsar

BladePipe supports data replication from MariaDB to Pulsar. View supported migration, sync, verification, and connector capabilities.

Target DataSource：

Pulsar

Connection

Function	Description
Schema Migration	If the specified Topic after mapping does not exist in the Target, BladePipe will automatically create the Topic, allowing setting the number of partitions.
Full Data Migration	Migrate data by sequentially scanning data in tables and writing it in batches to the message-oriented middleware.
Incremental Data Sync	Sync of common DML like INSERT, UPDATE, DELETE is supported.
Subscription Modification	Add, delete, or modify the subscribed tables with support for historical data migration. For more information, see Modify Subscription.
Position Resetting	Reset positions by file position or timestamp. Allow re-consumption of incremental data logs in a past period or since a specific Binlog file and position.
Metadata Retrieval	Retrieve the target metadata with filtering conditions or target primary keys set from the source table.

Function	Description
Message Format	The following message formats are supported. See Message Format. CloudCanal format AlibabaCanal format
Topic Mapping Rules	By default, Topic is mapped the same as that in the Source. Also, BladePipe supports the mapping rules, namely, converting the text to lowercase, converting the text to uppercase, truncating the name by "_digit" suffix, truncating the name by "_digit" suffix. concatenate in the format of SCHEMA_TABLE (metadata mirroring)、concatenate in the format of SCHEMA_TABLE (converting metadata to uppercase)、concatenate in the format of SCHEMA_TABLE (converting metadata to lowercase).
Table-level Topic	Create Topics corresponding to the tables in the Source, and the table partitions can be obtained automatically.
Scheduled Full Data Migration	For more information, see Create Scheduled Full Data DataJob.
Custom Code	For more information, see Custom Code Processing, Debug Custom Code and Logging in Custom Code.
Data Filtering Conditions	Support data filtering using WHERE conditions, with SQL-92 as the SQL language. For more information, see Data Filtering.
Setting Target Primary Key	Change the primary key to another field.

Limit	Description
MySQL Storage Engine	Support InnoDB, MyISAM, AWS XEngine. Other storage engines have not been tested yet.
MySQL Character Set	Support utf8, utf8mb4, latin1. Other encodings have not been tested yet.

Prerequisite	Description
Permissions for Account	See Permissions Required for MySQL/MariaDB.
Enabling Binlog	[mysqld] log-bin=mysql-bin # Enable Binlog binlog-format=ROW # Choose ROW mode binlog_row_image=FULL # Changes include all column data

Parameter	Description
parseBinlogParallel	Number of threads for parallel parsing of Binlog in Incremental DataJobs.
parseBinlogBufferSize	Size of the circular buffer for parsing Binlog in Incremental DataJobs.
maxTransactionSize	Maximum number of data rows per transaction. If exceeded, the transaction will be split and flushed in parts.
limitThroughputMb	Limit the throughput of incremental Binlogs.
extraDDL	Support synchronization of additional DDL, including PT, GHOST, ALI_DMS, and PT_GHOST.
needJsonEscape	Escape special characters in JSON to be written to the target database.
fullDataSqlConditionEnabled	Add filtering conditions in SQL during source data scanning. It only works in Full Data migration.
srcTimeZone	Source time zone, e.g., +08:00, Asia/Shanghai, America/New_York, etc.

Tips: To modify the general parameters, see General Parameters and Functions.

Prerequisite	Description
Port Preparation	Allow the migration and sync node (Worker) to connect to the nodes of Pulsar.

Parameter	Description
schemaFormat	Message format. For more information, see Message Format.
batchWriteSize	The maximum data size of a single message. If the size exceeds the limit, the message will be split.
enableBatching	Enable Pulsar to push messages in batches.
batchingMaxBytes	The maximum bytes of messages in a batch pushed by Pulsar (in bytes).
connectionTimeoutMs	The timeout period for connection to Pulsar Client (in milliseconds).
compressionType	Set compression algorithm. Support LZ4, ZLIB, ZSTD, SNAPPY.
envelopSchemaInclude	When schemaFormat is set to DEBEZIUM_ENVELOP_JSON_FOR_MQ, it means whether the message body contains schema information.

Tips: To modify the general parameters, see General Parameters and Functions.