Hi all,
I have a few questions about the ResilientUTS example from the APGAS
project:
In line 386, the DeadPlacesException has to be a MultipleException,
right? With DeadPlacesException the program crashes when a places crashes.
When one place crashes after another, the result is false. The reason is
probably the backupcount of the map. Is there a way to detect data loss?
To tolerate two place crashes, I added the following code before
initializing the map:
MapConfig mapConfig = new MapConfig("map"+wave);
mapConfig.setBackupCount(2);
hz.getConfig().addMapConfig(mapConfig);
Is this the preferred way?
In line 297, I don't understand the purpose of:
final Collection<UTS> values = uts.hz((TransactionalTaskContext
context) -> { return context.<Integer, UTS> getMap("map" +
wave).values(); });
With a simple "final Collection<UTS> values = uts.map.values();" it also
works in my test cases. What are the advantages of the original?
As far as I understand, the purpose of executeTransaction in method
transfer is to guarantee data integrity?
Are there any plans for the future that APGAS provides more
functionalities to the programmer, so that a APGAS programmer does not
have to use hazelcast directly?
Thanks and cheers
Jonas
---
Jonas Posner
Universitaet Kassel
Fachbereich 16 Elektrotechnik/Informatik
Fachgebiet Programmiersprachen/-methodik
Wilhelmshoeher Allee 71-73
34121 Kassel, Germany
Phone: +49 (0)561 804-6498
Fax: +49 (0)561 804-6219
mailto: jonas.pos...@uni-kassel.de
www.uni-kassel.de
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