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4 votes
2 answers
174 views

Do coherence and transactional isolation mean the same?

About coherence vs consistency, https://en.wikipedia.org/wiki/Consistency_model says Coherence deals with maintaining a global order in which writes to a single location or single variable are seen ...
Tim's user avatar
  • 5,555
3 votes
1 answer
235 views

Database consistency for a distributed system

I'm working on a phone call monitoring project. The aim is to have one row in the calls table for each ongoing call. Each call instance may be updated by many different servers/threads as more ...
widavies's user avatar
  • 141
4 votes
3 answers
467 views

Distributed database algorithm

I have a need for a distributed data store, where existing solutions may not work as the computers these will be running on will be extremely resource limited, for instance 64-128MB RAM. Plus, as a ...
C B's user avatar
  • 149
1 vote
2 answers
149 views

Is caching data between independent but interacting systems okay?

We have two products let call them X and Y. Product-X is established and has numerous clients over continents whereas Product-Y's development was started a few years ago and it has yet to enjoy any ...
Mathematics's user avatar
  • 1,007
1 vote
1 answer
626 views

Using a distributed system as an alternative to disk storage

So, one of the differences between "main memory" and disk storage is durability -- the data on hard disks will stay accessible and unaffected even if the host machine crashes or loses power. One can ...
Ricky Stewart's user avatar
2 votes
1 answer
138 views

Sequencing distributed tasks with a distributed DB

Background I have two separate processes, WriteIt() and ReadIt(). One creates records, and the other processes the records in a DB cluster. Once WriteIt() creates a record, it queues a ReadIt() task ...
tohster's user avatar
  • 123
1 vote
3 answers
1k views

what are the things to take in consideration when designing a database that likely will be distributed after some time? [closed]

We are small start-up now, we don't have a DBA. if our project succeed, it will have a lot of data that will likely need to be distributed over several machines. So we want to make that step easier, ...
Marwan's user avatar
  • 121