dido:public:ra:xapend:xapend.a_glossary:d:durability
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
dido:public:ra:xapend:xapend.a_glossary:d:durability [2021/06/11 16:03] char ↷ Page name changed from dido:public:ra:xapend:xapend.a_glossary:d:durability_qos to dido:public:ra:xapend:xapend.a_glossary:d:durability |
dido:public:ra:xapend:xapend.a_glossary:d:durability [2021/10/04 13:40] (current) 50.19.247.197 ↷ Links adapted because of a move operation |
||
|---|---|---|---|
| Line 1: | Line 1: | ||
| - | ====== Durability ====== | + | ===== Durability ===== |
| - | [[dido:public:ra:xapend:xapend.a_glossary| Return to Glossary ]] | + | [[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]] |
| - | **Durability** is ... | + | **Durability** is responsible for maintaining historical data between services and providing historical data to late joining applications. Specifies if [[dido:public:ra:xapend:xapend.a_glossary:s:sample|Samples]] should outlive their [[dido:public:ra:xapend:xapend.a_glossary:d:data_writer|Data Writers]] for late joiners. The longer a sample lives the greater the overhead passed to the [[dido:public:ra:xapend:xapend.a_glossary:d:dds]] becomes as it moves from dropping samples, to keeping them in shared memory, and to writing them to hard disk. Provided variants include: |
| + | * ** Volatile** \\ | ||
| + | <wrap>No need to keep Samples for late joining [[dido:public:ra:xapend:xapend.a_glossary:d:data_reader]].</wrap> | ||
| + | * **Transient Local** \\ | ||
| + | <wrap>Data [[dido:public:ra:xapend:xapend.a_glossary:i:instance|instance]] availability for late joining data reader is tied to the DataWriter availability.</wrap> | ||
| + | * **Transient** \\ | ||
| + | <wrap>Data sample [[dido:public:ra:xapend:xapend.a_glossary:a:availability|availability]] outlives the data writer.</wrap> | ||
| + | * **Persistent** \\ | ||
| + | <wrap>Data sample availability outlives system restarts.</wrap> | ||
| + | |||
| + | Source: [[https://istkb.adlinktech.com/article/vortex-opensplice-dds-glossary/ | OpenSplice Glossary]] | ||
| - | Source: [[URI ]] | ||
dido/public/ra/xapend/xapend.a_glossary/d/durability.1623441815.txt.gz · Last modified: 2021/06/11 16:03 by char
