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Tune connection backlog buffering

You can tune the number of connection requests that a WebLogic Server instance will accept before refusing additional requests.

  1. If you have not already done so, in the Change Center of the Administration Console, click Lock & Edit (see Use the Change Center).
  2. In the left pane of the console, expand Environment > Servers.
  3. On the Summary of Servers page, select the server instance for which you will configure connection backlog buffering.
  4. Expand the Configuration > Tuning tab.
  5. Modify the Accept Backlog value as necessary to tune the number of TCP connections the server instance can buffer in the wait queue.
    • If many connections are dropped or refused at the client, and no other error messages are on the server, the Accept Backlog value might be set too low.
    • If you are getting "connection refused" messages when you try to access WebLogic Server, raise the Accept Backlog value from the default by 25 percent. Continue increasing the value by 25 percent until the messages cease to appear.
  6. Click Save.
  7. To activate these changes, in the Change Center of the Administration Console, click Activate Changes.
    Not all changes take effect immediately—some require a restart (see Use the Change Center).

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