The maximum number of rows to fetch from Kafka at one time.

データ型

int

デフォルト値

1000

解説

The 本製品 batches reads to Kafka to reduce overhead. Instead of fetching a single row from the broker every time a query row is read, the 本製品 will read multiple rows and save them to the resultset. This means that only the first row read from the resultset must wait for the broker. Later rows can be read out of this buffer directly.

This option controls the maximum number of rows the 本製品 stores on the resultset. Setting this to a higher value will use more memory but requires waiting on the broker less often. Lower values will give lower throughput while using less memory.