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ID | Project | Category | View Status | Date Submitted | Last Update | ||||
0000887 | FL5 | 2.2 Subprogram FLUC (CONV) | public | 2017-08-24 15:37 | 2017-09-28 23:21 | ||||
Reporter | Falk Reichbott | ||||||||
Assigned To | Mykhailo Moldavskyy | ||||||||
Priority | normal | Severity | feature | Reproducibility | N/A | ||||
Status | resolved | Resolution | fixed | ||||||
Platform | General | OS | General | OS Version | General | ||||
Product Version | 5.1.15 | ||||||||
Target Version | 5.1.16 | Fixed in Version | 5.1.16 | ||||||
Summary | 0000887: Dataformat detection and automatic compression algorithm selection | ||||||||
Description | For CX8/VR8, ADC with or withour ZEDC or GZIP it would be useful to classify the data in: High compressable static structured fix length -> CX8 High compressable static structured variable length -> VR8 High compressable dynamic structured -> ADC Normal compressable dynamic structured -> ZEDC Low or not compressable -> COPY (NDC) This classification must be add to the FLUC dectector and controls the usage of the algorithms if no deticated algo given. Additional these data classes must be add to the usage log to figure out cost saving. | ||||||||
Tags | No tags attached. | ||||||||
Attached Files | |||||||||
Notes | |
(0001115) Falk Reichbott (administrator) 2017-08-30 08:08 |
CX8/VR8 gives larger compression results the ADC. Means it makes no sense to put this in the algo selection. Based on that, we offer the following solution: If the environment variable FL_ZEDC_SUPPORT or system variable FLZEDC starts with a digit (0-9) then this number is the allowed expansion of the comprimat if ZEDC expand more then the original software algorithn is used. This solution is completly transparent in ADC, no change in JCL and the customers now the maximal expansion for the ZEDC. |
(0001125) Falk Reichbott (administrator) 2017-09-28 23:21 |
The ZEDC support can now activated with threshold. This value is the maximum expansion of the compressed data accepted by FLAM for the ZEDC usage in percent. See install.txt for z/OS for more information. |
Issue History | |||
Date Modified | Username | Field | Change |
2017-08-24 15:37 | Falk Reichbott | New Issue | |
2017-08-24 15:37 | Falk Reichbott | Status | new => assigned |
2017-08-24 15:37 | Falk Reichbott | Assigned To | => Falk Reichbott |
2017-08-30 08:08 | Falk Reichbott | Note Added: 0001115 | |
2017-08-30 08:09 | Falk Reichbott | Assigned To | Falk Reichbott => Mykhailo Moldavskyy |
2017-08-31 16:48 | Falk Reichbott | Target Version | 5.1.17 => 5.1.16 |
2017-09-28 23:21 | Falk Reichbott | Note Added: 0001125 | |
2017-09-28 23:21 | Falk Reichbott | Status | assigned => resolved |
2017-09-28 23:21 | Falk Reichbott | Fixed in Version | => 5.1.16 |
2017-09-28 23:21 | Falk Reichbott | Resolution | open => fixed |
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