These default values of these configuration properties have been increased in Replication Agent 15.5:
log_read_block_count (Oracle and Microsoft SQL Server only) – determines the number of blocks or pages that are read at a time from the primary database transaction log. The default value has been changed to 64 from 1.
archive_read_block_count (Oracle only) – determines the number of blocks or pages that are read at a time from the primary database archive log. The default value has been changed to 64 from 1.
lti_update_trunc_point – determines the number of Log Transfer Language (LTL) commands sent before requesting a new LTM locator from the Replication Server. The default value has been changed to 10000 from 1000.
See Replication Agent 15.5 Reference Manual.
