LakeXpress Orchestrator
- Manages end-to-end pipelines
- Orchestrates FastBCP extracts with retries & logging
- Handles incremental sync and schema-aware metadata

1$./LakeXpress config create \2 --auth_file data/ds_credentials.json \3 --log_db_auth_id log_db_ms \4 --source_db_auth_id datasource_mariadb_01 \5 --source_db_name sales \6 --source_schema_name "sales,dim" \7 --fastbcp_dir_path ./FastBCP_linux-x64/latest/ \8 --fastbcp_p 2 \9 --n_jobs 4 \10 --target_storage_id onelake_lake_prd \11 --generate_metadata \12 --sub_path /ingest/bronze \13 --incremental_table "sales.orders:o_orderdate:date" \14 --incremental_table "sales.lineitem:l_shipdate:date" \15 --publish_method internal \16 --publish_target bigquery_tgt \17 --sync_id move_sales_to_BigQuery-prod1819# First sync - full load20$./LakeXpress sync \21 --auth_file data/ds_credentials.json \22 --log_db_auth_id log_db_ms \23 --sync_id move_sales_to_BigQuery-prod2425# Subsequent syncs - incremental updates (much faster!)26$./LakeXpress sync \27 --auth_file data/ds_credentials.json \28 --log_db_auth_id log_db_ms \29 --sync_id move_sales_to_BigQuery-prodSource - MariaDB
MariaDB is a MySQL fork offering advanced features and better performance. LakeXpress ensures full compatibility with MariaDB through FastBCP.
Features:
- Full MySQL compatibility
- Support for advanced MariaDB features
- Optimized extraction performance
- Parallel processing to Parquet
Format - Apache Parquet
Parquet is the industry-standard columnar file format for analytics. LakeXpress uses FastBCP to extract data from source databases and convert it to Parquet format, ensuring optimal compression, query performance, and compatibility with all modern data platforms.
Advantages:
- Columnar format optimized for analytics
- Efficient compression (typically 3-10x)
- Schema evolution support
- Predicate pushdown for fast queries
- Universal compatibility with cloud platforms
- Preserves data types and precision
Cloud Stage - Microsoft OneLake
OneLake is Microsoft Fabric's unified data lake. LakeXpress stages data directly in OneLake, providing native integration with all Fabric workloads and eliminating data duplication.
Features:
- Native Fabric integration
- Single copy of data across all workloads
- Automatic Delta Lake format
- Built-in governance and security
- Seamless data sharing across Fabric
Destination - BigQuery
Google BigQuery is a serverless, highly scalable data warehouse. LakeXpress loads Parquet files from GCS into BigQuery tables using native bulk loading.
Publishing method:
BigQuery Load Job from GCS
Features:
- Direct load from GCS
- Native Parquet format support
- Automatic schema detection
- Petabyte-scale analytics
- Integration with Google Cloud ecosystem

