Execution of the query against the service

I wonder what's the difference between running a query on a region that partitioned for a set of objects cached vs using a function distributed to the combined results and return them to the node running?

The problem, I'm trying make me get all objects from the cache in a region that partitioned a certain type and then perform a calculation on the subject after I he gains the cache to see if it should be added to all final results that I return to my request. I'm not aiming for a specific node for these objects; they can reside anywhere in the partitioned area. Is this the same difference using a query and running the calculation on each object in the result of the query defined in terms of running a distributed function and perform the calculation in distributed mode before returning the results to the running node?

I think I would use the API to query within the service (Query.execute (RegionFunctionContext)) to query local entries. Are you familiar with the API Query.execute (RegionFunctionContext)? Basically, who runs the query only on local data.

Then filter these additional results in the function, and then finally to return results filtered out to the customer. Do the same filtering on each local server before returning anything to the client. According to the difference between the result set size and size final filtered results, you will gain a lot of IO, not to mention the serialization/deserialization. You may also be able to do the calculation in the query itself if you have a method for this in the object.

Barry

Tags: VMware

Similar Questions

  • Prevent the execution of the action method

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    You can do it like this:


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  • Windows Update cannot currently check the update, because the service does not work, you may need to restart your computer

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    Gladmar.

    Hello

    Were there any changes made on the computer before the show?

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  • Error message "WIndows cannot currently check the updates, because the service is not running, you may need to restart your computer.

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    Hello

    1. have you made changes on the computer before this problem?

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    Anti-virus software may conflict with Windows Update. You can temporary disable them and check the issue.

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    http://support.Microsoft.com/kb/971058
    Important: This section, method, or task contains steps that tell you how to modify the registry. However, serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article:
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    Method 3: If the methods above do not help, I suggest you delete the edb.log file and check if that helps.

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  • Windows update error: Windows cannot currently check the updates because the service is not running

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    Hello

    1. you remember to make changes to the computer before this problem?

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    Note: Antivirus software can help protect your computer against viruses and other security threats. In most cases, you should not disable your antivirus software. If you need to disable temporarily to install other software, you must reactivate as soon as you are finished. If you are connected to the Internet or a network, while your antivirus software is disabled, your computer is vulnerable to attacks.

     

    Method 2: How to reset the Windows Update components?
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    Method 3:  If the methods above do not help, I suggest you delete the edb.log file and check if that helps.

    Follow these steps:

    a. click the Start button, click computer.

    b. now, go to this site: C:\windows\softwaredistribution\datastore\logs\edb.log

    c. delete the log file, and then restart the computer and check the issue.

    Well, it's going to be a long Chronicle, but in the end, the problem has been resolved. Please bear with me:

    Running the program MS Fixit in the past without success, I tried to run the update after you temporarily disable AVG, my program AV. no joy.

    I then ran CC Cleaner to get rid of some of 'dead weight '. I even used its registry cleaning option (which included saves).

    At that point, I did some 'household', & began to defragment my HD with Defraggler. But since it seems to take forever, I went to My Defrag, who finished the job much quicker.

    Although I tried to delete the edb.log file using method 3, I kept getting a message system which was unable to complete this action because the file has been opened in another program.  In the end, I was able to delete the file, but fact directly through Explorer. There also seems to be a sort of small file edb.log, indicating that it was a "recovered" version I deleted that one as well.

    At this point, I ran MS Fixit, who States that the Windows Update components needed to be fixed and proceeded to do so again. Because he had allegedly "fixed" my Updater in the past, I was not holding much hope that this time would be any different. So, after that what he has done, I was pleasantly surprised, I might actually start updating!

    However, the update message that a new version would be dl before I could go any further. So I did it.

    When the new version is started, it ran for about 10 minutes, coming with about 50 updates. According to flush out those who were of no use to me, finally I had dl and installed all relevant updates. And now, the update seems to work fine.

    Once again, my apologies for the long answer. But I wanted to tell the whole story, as I did not quite plan of RajithR.

    Thank you!

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