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Configure core group socket buffers

Most operating systems provide program interfaces for performing operations involving the sending and receiving of data over sockets. Most operating systems also provide administrative capabilities to control the amount of memory allocated per socket used as data buffers.

We might want to change the size of the core group buffers in the following circumstances:


Change the socket buffer space that the core group transport allocates

  1. In the administrative console, click...

      Servers > Core Groups > Core group settings > core_group_name > Additional Properties > Custom properties

  2. Change the value specified for the IBM_CS_SOCKET_BUFFER_SIZE custom property.

    If the IBM_CS_SOCKET_BUFFER_SIZE property already exists, click the property name and specify either 0, 1, 2, or 3.

    If this property does not already exist, click New and create it:

    1. In the Name field, specify IBM_CS_SOCKET_BUFFER_SIZE.

    2. In the Value field specify one of the following strings:

      • 0
      • 1
      • 2
      • 3

  3. Click OK and then click Review.

  4. Select Synchronize changes with nodes, and then click Save.

  5. Restart all members of the core group.

After the servers restart, the core group members all run with the new socket buffer size settings.


Related:

  • Core groups (high availability domains)