In SAP we have memory limitations. So, we cannot define very high number of dialog or background workprocesses. Usually in SAP system, dialog activity will be more during day time and batch activity will be more in the night time. Operation modes are a concept provided by SAP to take advantage of this fact. In SAP, we can define operation modes like day and night and configure more dialog workprocesses and less background workprocesses during day time and more background workprocesses and less dialog workprocesses during night time. We can define duration for day and night operation modes so that operation mode switch will happen at defined time and dialog workprocesses will be converted to background workprocesses in the night and vice versa and thus improves performance of the system. 2480889 - Error: History tables are not allowed in operation mode 'logreplay' Symptom You cannot activate the system replication with operation mode logreplay. The following error appears duringconfiguration: 'History tables are not allowed in operation mode 'logreplay' Read Environment • Lower than SAP HANA database 1.0 Revision 122.14 • Lower than SAP HANA database 2.0 SPS01 Product SAP HANA 1.0, platform edition Keywords history table, log reply, system replication, log mode, delta_datashipping, KBA, HAN-DB-HA, SAP HANA High Availability (System Replication, etc.), HAN-DB, SAP HANA Database, Problem About this page This is a preview of a SAP Knowledge Base Article. Jan 30, 2009. Different work processes exist in an SAP system. These include dialog, background, spool, enqueue and update work processes. These work processes are of various types, use and differs in the minimum number that can be defined per dispatcher or in an SAP system. As regards operation mode, the. At Operation Mode, The job will start when the specified operation mode becomes active in the SAP system. By activating and utilizing job interception, jobs that are scheduled in SAP directly and are not under the control of the external scheduler can be monitored and, if desired, rescheduled for a more opportune time.
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