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This is an old revision of this page, as edited by 70.189.73.224 (talk) at 15:08, 23 September 2006 (what is concurrency control?). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
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See Talk:Concurrent programming language for earlier discussions on concurrent programming languages, as well as dicussion on the merge into Concurrent computing. --Allan McInnes 07:03, 27 January 2006 (UTC)[reply]


what is concurrency control

The concurrent computing article currently claims

"However, since both processes perform their withdrawals, the total amount withdrawn will end up being more than the original balance. These sorts of problems with shared resources require the use of concurrency control, or non-blocking algorithms."

Currently, the concurrency control article seems to be talking *only* about databases.

What about all the algorithms listed in Category:Concurrency control that involve blocking, but do not involve databases? Algorithms such as serializing tokens and mutual exclusion and monitor (synchronization)? Aren't they also perfectly valid ways of dealing with this sort of problem?

We need to either

  • Change this "concurrent computing" article to add another category of solutions, "These sorts of problems with shared resources require the use of concurrency control, ((new category here that includes monitors, etc.)), or non-blocking algorithms.". Or
  • Change the concurrency control article to discuss all blocking algorithms (whether or not they require a database).
  • change this "concurrent computing" article to *remove* a category of solutions, "These sorts of problems with shared resources require the use of concurrency control". And change the "concurrency control" article to discuss all the algorithms in Category:Concurrency control, blocking and non-blocking.

What is a good name for this "new category" (things like monitors, mutexes, serializing tokens, etc)?

Or is there a better 4th option?

--70.189.73.224 15:08, 23 September 2006 (UTC)[reply]