• Considering disabling NAKs in UMP receivers

    We are considering disabling NAKs on some persistent, OTR-enabled receivers.  In cases where these become slow receivers, we would like to avoid putting pressure on the source (and primary receivers) and have the...
    Craig Lavender
    last modified by Craig Lavender
  • UME 6.9 source/publisher with no stores and no compatibility option, can send/receive to UME 5.3 publisher/source respectively.

    Both processes are running on the same box.
    scuser19429
    last modified by scuser19429
  • Issues configuring lbmrd

    Hi, We are trying to use unicast topic resolution via lbmrd and not having much success. We have source and receiver on 1 machine and the lbmrd daemon on another machine. The machines can ping each other fine.  ...
  • Migration from TIBCO TO Ultra Messaging

      Hi, We are migrating from tibco to UMP and wondering if you have any migration guide that could help us. We are ideally looking to have a generic Interface that could support both message implementations for th...
  • Where can I find libraries for C#

    I received the download for UMP_6.9 and downloaded it and looked through the documents.. I was however unable to run any C# samples that came with the download as I couldn't find the necessary C# libraries... Where ca...
  • Using 29W store for mutual exclusion

    Assume we have a source with a static registration ID which it uses when registering with all stores. We expect that the store will send a registration error to the source when it sees the duplicate regID during regis...
    manusha
    last modified by manusha
  • lbm_src_send takes 150 micro seconds. How can I reduce this.

    My test involves sending around 1 messages per second and each message is a FIX order ack message. Each send takes around 130 micro seconds which I think is too much for a ultra low latency middleware. Maybe I am miss...
    manusha
    last modified by manusha
  • Getting the source registration ID with data message

    Is there way to retrieve the registration ID of the source which sent the message in message data callback? The source field does not give that information. Alternatively is there a way to retrieve a unique ID for ...
    manusha
    last modified by manusha
  • Unrecoverable lost bursts when recovering from store

    We are getting unrecoverable lost bursts when recovering messages from the store. Basically, there are around 250000 total messages from around 8 topics which we are recovering from the store. All topics recover from...
    manusha
    last modified by manusha
  • How to identify the last message from a proxy source

    Assume that we have proxy sources enabled and the source will never re-connect. I wish to receive all messages that were sent by the source before its crash starting from a given sequence ID and also I wish to get not...
    manusha
    last modified by manusha
  • lbmcs.dll x64 support C#

    I'm having trouble running on a 64 bit build.   I get the following exception: Could not load file or assembly 'lbmcs, Version=6.7.1.0, Culture=neutral, PublicKeyToken=4c79efafe09ede14' or one of its dependenci...
    Matt Sickler
    last modified by Matt Sickler
  • How to download UMP/UMC?

    Hello ,   Can anyone assist me to how to lownload UMP. I am unable to find the download URL and setup   Regards, Main
    Main_Pal
    last modified by Main_Pal
  • transport_tcp_maximum_ports setting

    Hi there,   We are using UMP 6.5 , we found that some of our applications failed to run recently due to the following error.      2014-09-24 01:13:22.767 ERROR [140329022285568:Inject] - <hsb...
    scuser17750
    last modified by scuser17750
  • Question about UME Store source transport

    Hi there,   There are some UME store and client config that we have been using for a long time. We are currently reviewing our UM config and found some discrepency between the sender / receiver & UME stores....
    scuser17750
    last modified by scuser17750
  • ummon multicast usage

    Hi   We are setting new servers that will be using ummon that will use multicast for resolving topics. When we are doing checking with the multicast setup with mTool, we found some strange behavior.   We h...
    scuser17750
    last modified by scuser17750
  • LBMRD connection

    Hi there,   Several questions about LBMRD below.   1. Would there be any log option to display the current / historical unicast connection to the LBMRD in log ? 2. Any tool we can use to view the real tim...
    scuser17750
    last modified by scuser17750
  • UM Data Encryption

    Hi there,   We are exploring the possibility of enabling data encryption with UM 6.5. We are going to use multicast with gateway (DRO) bridge data between the data centers, multicast is used within the data cen...
    scuser17750
    last modified by scuser17750
  • Late join retransmit messages

    When use late join with large messages I shall to set retransmitted messages count quite big because of this number means retransmitted datagrams number. In this case I can receive several messages which are small. ...
    scuser17120
    last modified by scuser17120