红帽全球峰会5.6.2.5. 重新传输
JGroups 提供可靠的消息交付。当网络中丢弃消息时，或者接收方无法处理消息时，需要重新传输。重新传输会增加资源使用量，通常是过载系统的信号。
Random Early Drop (RED)监控发送者队列。当队列接近满时，消息将被丢弃，且必须重新传输。它可防止整个发送者队列阻止线程。
提示
健康的集群显示所有指标的值为零。
| 指标 | 描述 |
|---|---|
|
| 重新传输的消息数量。 |
|
| 发送者丢弃的消息总数。 |
|
| 发送者丢弃的所有消息的百分比。 |
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