(DI-1808) Straggler analysis
- SNP
- Anonymous
This analysis indicates how many load or activation requests contain straggler records. Straggler is a record, by which the value of the split characteristic is 2 years older than the year, in which the loading or activation was performed.
Example:
Lets have a ZDSO1 DSO object with the split characteristic 0CALDAY. The straggler analysis checks the activation request ODSR_XYZ, which was executed on the 13.04.2018. The activation request ODSR_XYZ contains a record with the value of 0CALDAY 20160113.
Extract year of the activation request is the 13.04.2018 → 2018
Extract year of 0CALDAY is the 20160113 → 2016
Default parameter, based on which a record is identified as a straggler, has the value 2 years.
This record is a straggler because:
year value of 0CALDAY + checking/default parameter <= year value of the request load or activation
2016 + 2 = 2018 <= 2018
The parameter, based on which is checked whether a record is a straggler, can be set in the expert settings (transaction /DVD/RL_SETT_EXPERT) on a satellite system.
Tool name = HMBW
Parameter tech. name = HM_BW_WRITER_STRUG_RETEN
Other parameters
Straggler analysis is checking data values for split characteristic. If data value is contain year which is not referring to data distribution data partition than error log can be generate to application log. This feature is disabled by default but can be enabled using expert settings parameter HM_BW_WRITER_LOG_NOT_MATCH. Set parameter to X to switch functionality ON.