ddsf:public:guidebook:06_append:glossary:d:durability
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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ddsf:public:guidebook:06_append:glossary:d:durability [2020/09/28 16:40] murphy |
ddsf:public:guidebook:06_append:glossary:d:durability [2021/07/15 12:19] (current) murphy ↷ Links adapted because of a move operation |
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| ==== Durability ==== | ==== Durability ==== | ||
| - | [[ddsf:private:cookbook:06_append:glossary| Return to Glossary ]] | + | [[ddsf:public:guidebook:06_append:glossary:start| Return to Glossary ]] |
| Responsible for maintaining historical data between services and | Responsible for maintaining historical data between services and | ||
| providing historical data to late joining applications. | providing historical data to late joining applications. | ||
| - | Specifies if Samples should outlive their [[ddsf:private:cookbook:06_append:glossary:d:data_writer|Data Writers]] for late | + | Specifies if [[ddsf:public:guidebook:06_append:glossary:s:sample|Samples]] should outlive their [[ddsf:public:guidebook:06_append:glossary:d:data_writer|Data Writers]] for late |
| joiners. The longer a sample lives the greater the overhead passed | joiners. The longer a sample lives the greater the overhead passed | ||
| - | to the [[ddsf:private:cookbook:06_append:glossary:d:data_distribution_service_dds]] becomes as it moves from dropping samples, to keeping | + | to the [[ddsf:public:guidebook:06_append:glossary:d:data_distribution_service_dds]] becomes as it moves from dropping samples, to keeping |
| them in shared memory, to writing them to hard disk. Provided | them in shared memory, to writing them to hard disk. Provided | ||
| variants include: | variants include: | ||
| ; Volatile | ; Volatile | ||
| - | : No need to keep Samples for late joining [[ddsf:private:cookbook:06_append:glossary:d:data_reader]]. | + | : No need to keep Samples for late joining [[ddsf:public:guidebook:06_append:glossary:d:data_reader]]. |
| ; Transient Local | ; Transient Local | ||
| - | : Data [[ddsf:private:cookbook:06_append:glossary:i:instance|instance]] availability for late joining data reader is tied to the DataWriter availability. | + | : Data [[ddsf:public:guidebook:06_append:glossary:i:instance|instance]] availability for late joining data reader is tied to the DataWriter availability. |
| ; Transient | ; Transient | ||
| : Data sample availability outlives the data writer. | : Data sample availability outlives the data writer. | ||
ddsf/public/guidebook/06_append/glossary/d/durability.1601325647.txt.gz · Last modified: 2020/09/28 16:40 by murphy
