Search:

Type: Posts; User: nshi

Page 1 of 5 1 2 3 4

Search: Search took 0.00 seconds.

  1. When you left the server running overnight, were...

    When you left the server running overnight, were there any transactions, either MP or SP, running periodically?

    Did you have auto-snapshot turned on?

    What was the RSS after inserting all the...
  2. The RepairLog holds in-flight transactions so...

    The RepairLog holds in-flight transactions so that partition replicas can resume operation in case of partition leader failures.

    Rejoining node uses a separate backlog to hold the transactions...
  3. The RepairLog will only hold on to the series of...

    The RepairLog will only hold on to the series of FragmentTaskMessages if the replicated table insertions rollback. If there are successfully committed multi-partition write transactions (e.g....
  4. Replies
    6
    Views
    833

    When you create your callback class by inheriting...

    When you create your callback class by inheriting from the ProcedureCallback class, you can create a constructor that takes the context information and store them as member variables in the callback....
  5. Replies
    6
    Views
    833

    Hi, Are you issuing AdHoc queries or calling...

    Hi,

    Are you issuing AdHoc queries or calling stored procedures?

    If you are issuing AdHoc queries, you can pass context information, including the query, to the callback when you construct it....
  6. Replies
    6
    Views
    833

    Hi Dogan, You can create a callback object for...

    Hi Dogan,

    You can create a callback object for each async invocation. Inside the callback, you can store a unique ID which you can use as the hash keys.
  7. Junxiu, Thank you for reporting the...

    Junxiu,

    Thank you for reporting the compilation problem. This issue had been fixed on github.

    You can remove -Wl because it is no longer passing any linker flags now.
  8. Replies
    4
    Views
    603

    Hi Junxiu, Since version 1.40.0, Boost changed...

    Hi Junxiu,

    Since version 1.40.0, Boost changed their build system to use platform dependent naming scheme for the libraries. It defaults to not include the -mt suffix for libraries on Linux. You...
  9. Replies
    4
    Views
    603

    Hi Junxiu, I'm glad that you figured it out....

    Hi Junxiu,

    I'm glad that you figured it out. The problem is platform dependent. The Boost library is compiled differently on each Linux distribution. Some uses the -mt naming for libraries, some...
  10. Hi Sureshrajah, The kafkaloader expects each...

    Hi Sureshrajah,

    The kafkaloader expects each Kafka message to contain a CSV string. It will decode the CSV string and pass the decoded values as parameters to the procedure you specified. Here's...
  11. Hi, It definitely seems like a C++ client...

    Hi,

    It definitely seems like a C++ client library problem. It shouldn't have anything to do with the server.

    The line numbers in the stack trace seem correlated to an older version of the C++...
  12. Hi, The parameters look okay to me. Is the...

    Hi,

    The parameters look okay to me.

    Is the server running on localhost and listening on port 21212? To debug it further, you can also run it in GDB to see where it faults on.
  13. Replies
    10
    Views
    3,282

    Yes, you do need to reference the procedure in...

    Yes, you do need to reference the procedure in the schema in order to compile it into the catalog. You can follow the syntax on the following page for referencing,
    ...
  14. Replies
    10
    Views
    3,282

    For example, to compile the catalog with the...

    For example, to compile the catalog with the procedure SELECT2.java, you first have to compile the procedure source into Java class file,


    javac -cp...
  15. Replies
    6
    Views
    2,247

    Do you mind sharing the stored procedure...

    Do you mind sharing the stored procedure signature and the PHP code that calls the stored procedure with us? You can send it to my E-mail if you want. nshi AT voltdb.com

    You don't have to change...
  16. Replies
    6
    Views
    2,247

    Are you sending the photo as a byte array? Can...

    Are you sending the photo as a byte array? Can you try sending it as a hex-encoded string to the server?
  17. Replies
    2
    Views
    1,326

    Because "results" and "data" fields contain...

    Because "results" and "data" fields contain arrays, you need to access the data array like this,

    print_r($json->results[0]->data[0]);

    We have a native PHP extension that is more efficient and...
  18. Replies
    10
    Views
    3,282

    You have to also include the directory that...

    You have to also include the directory that contains the class file in the classpath when you compile the catalog.

    http://docs.voltdb.com/UsingVoltDB/BuildCompileCatalog.php
  19. Replies
    10
    Views
    3,282

    Hi Ghalia, The compiler couldn't find the...

    Hi Ghalia,

    The compiler couldn't find the procedure class because it was not in the Java classpath. You need to compile the stored procedure into Java class file, then include the class file in...
  20. Replies
    5
    Views
    7,194

    Hi Wasi, The PHP driver currently doesn't...

    Hi Wasi,



    The PHP driver currently doesn't support passing array as parameter to stored procedures. I created the following ticket to implement this feature....
  21. Replies
    4
    Views
    1,673

    Each execution site in VoltDB is a single thread....

    Each execution site in VoltDB is a single thread. Transactions are serialized and execute one at a time. Each site doesn't switch between multiple transactions at the same time.

    VoltDB scales by...
  22. The time update thread not being scheduled for...

    The time update thread not being scheduled for such a long time is just a symptom of resource contention, it is not the cause of the slowdown. If the VM does not have enough resource, other threads...
  23. Hi, This message is printed when the time...

    Hi,

    This message is printed when the time update thread has not run for more than 2 seconds. Normally, the thread is scheduled to run once every 5 millisecond.

    Are you running VoltDB inside a...
  24. Hi Bernardo, When you start a database in VEM,...

    Hi Bernardo,

    When you start a database in VEM, it will launch the VoltDB processes on all the cluster nodes. The servers will load the catalog and set up JMX automatically.

    In your previous...
  25. Hi Bernardo, The exceptions you showed were...

    Hi Bernardo,

    The exceptions you showed were from the VoltDB Enterprise Manager (VEM). They indicate that the VEM cannot connect to the VoltDB server located at 10.0.1.202, possibly because of...
Results 1 to 25 of 105
Page 1 of 5 1 2 3 4