To boost the throughput of GBase RTSync, GBASE's data synchronization tool, focus on these three parameters:
| Parameter | Recommended | Description |
|---|---|---|
| cacheMaxSize | 2147463480 | Maximum in‑memory transaction cache size in bytes (default 100 MB). Transactions exceeding this size are spilled to disk. Raising this value avoids disk I/O and improves sync speed. |
| transMaxCount | 1000000 | Large transaction splitting threshold. When a transaction exceeds this row count, it is split into smaller chunks. Default 100 000. Currently supported for Oracle sources. |
| packetMaxSize | 100000 | Maximum packet read size in bytes (default 5 MB). If a single row exceeds this size, its integrity is preserved. |
Increasing cacheMaxSize and packetMaxSize reduces disk/network overhead, while transMaxCount helps break down heavy transactions into manageable pieces. Together they can significantly improve the replication performance of your gbase database environment.
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