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  1. VoltDB does not support external transaction...

    VoltDB does not support external transaction control.

    Ruth
  2. After you develop your Java stored procedures and...

    After you develop your Java stored procedures and load them into VoltDB, but before you start writing you C++ client code, you can run them in sqlcmd or in VMC with the 'exec' command and test...
  3. "CREATE PROCEDURE .. AS .." is for...

    "CREATE PROCEDURE .. AS .." is for single-statement SQL. For anything more complicated, use Java. See https://docs.voltdb.com/UsingVoltDB/DesignProcAnatomy.php. This covers all the requirements you...
  4. This is an unexpected error. I filed a ticket for...

    This is an unexpected error. I filed a ticket for this - https://issues.voltdb.com/browse/ENG-9283 and will get it fixed in the next release. Until then, I recommend using an index without the where...
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    Hi Ilia, you can connect to VoltDB using sqlcmd...

    Hi Ilia, you can connect to VoltDB using sqlcmd (in the bin directory) or using the VoltDB Management Center on the <host>:8080 port. In addition, we support JDBC - and I know that some common tools,...
  6. Hi, You have found the old instructions for...

    Hi,

    You have found the old instructions for the old SWIG-based PHP client. Take a look at the 'native' branch - this one is more up-to-date. You can also download a kits from our clients and...
  7. Currently, VoltDB can't be built using Java8,...

    Currently, VoltDB can't be built using Java8, only Java 7. Once built, we do support running and compiling stored procedures in Java8.
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    If you want to run with community, you need to...

    If you want to run with community, you need to build it first. Directions are in the github wiki: https://github.com/VoltDB/voltdb/wiki. Alternately, you are welcome to use the V3.6 prebuilt...
  9. VoltDB is not supported on Java6. For more...

    VoltDB is not supported on Java6. For more information on required software see http://docs.voltdb.com/UsingVoltDB/ChapGetStarted.php.
  10. Hi, Did you clone VoltDB from our github repo,...

    Hi,

    Did you clone VoltDB from our github repo, or did you install from one of our kits or packages? If you cloned from github the instructions for building are at...
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    Zoha, My colleague, Stefano, has answered how...

    Zoha,

    My colleague, Stefano, has answered how to hook up Storm, but I'm curious about why you want to do this? Can you just do the stream processing in VoltDB itself and get rid of one (or more)...
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    It looks like the JDBC driver is getting confused...

    It looks like the JDBC driver is getting confused by the space after the parenthesis.

    Try them again without the space before the SELECT:
    SELECT * FROM (SELECT * FROM CONTESTANTS C1) Table_alias;...
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    What version of VoltDB are you using?

    What version of VoltDB are you using?
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    By 'download', to you mean from our download...

    By 'download', to you mean from our download page? If so, then you will not be able to run tests. If you mean that you checked it our from github, then you will need to build it before running any...
  15. It is meant to be the regular single-quote. I...

    It is meant to be the regular single-quote. I will get the release notes updated. Thanks for letting us know.

    Ruth
  16. Answering in reverse order: If a VoltDB...

    Answering in reverse order:

    If a VoltDB process exhausts memory, then Linux generally steps in and starts killing processes ( these days I like to think of it as the OOM Fairy). If this happens...
  17. By the way, if you end up needing more...

    By the way, if you end up needing more complicated transforms in the future, you can write a stored procedure and call csvloader with the '-p procname' switch. The only downside, is that calling a...
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    Sorry - I read right past your title and answered...

    Sorry - I read right past your title and answered the wrong question. See the github wiki pages for instructions on how to build from source: https://github.com/VoltDB/voltdb/wiki/Building-VoltDB
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    Click on 'Try it Now' at the top of any page of...

    Click on 'Try it Now' at the top of any page of voltdb.com. It will take you to http://voltdb.com/download/software. The client jar is included in the package. If you want to use another client...
  20. Hi Franz, What is the output of gcc -v? Ruth

    Hi Franz,

    What is the output of gcc -v?

    Ruth
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    Hi, What is the version of javac? If it is...

    Hi,
    What is the version of javac? If it is 1.6... you will need to install the full jdk and configure javac to default to 1.7.

    Ruth
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    Yes, it is in the downloadable kit at...

    Yes, it is in the downloadable kit at examples/windowing. You can also get it from our repository at https://github.com/VoltDB/voltdb/tree/master/examples/windowing.

    Ruth
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    VoltDB sounds like a good fit for a workload that...

    VoltDB sounds like a good fit for a workload that is 99+% single partition.

    We added a default procedure for UPSERT in V4.4 (see the Default Procedures section ). If you haven't gotten a new...
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    These steps are correct.

    These steps are correct.
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    Hi, The shutdown command is a global action...

    Hi,
    The shutdown command is a global action that will stop the entire database. 'voltadmin -h' says: voltadmin shutdown - Shut down the running VoltDB cluster. To stop 1 node you must ctrl-c or...
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