Mai Hai Thanh created TAJO-1069:
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Summary: Add document to explain High Availability support
Key: TAJO-1069
URL: https://issues.apache.org/jira/browse/TAJO-1069
Project: Tajo
Issue Type: Sub-task
Affects Versions: 0.9.0
Reporter: Mai Hai Thanh
High Availability (HA) support is important for large-scale and distributed
systems like Tajo. As I know, Tajo at least supports HA for TajoMaster
(TAJO-704). However, it is not clear how HA is supported for other components
and how Tajo reacts in different situations. In the documentation, we should
talk about it. For example, we can provide the answers for the following (or
more) questions.
+ What happen if TajoMaster crashes ? for both cases,
- When there is no query running.
- When there is one (or more) query running
+ What happen if a TajoWorker crashes ? for both cases,
- When there is no query running.
- When there is one (or more) query running
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