Question

我正在使用Akka-Cluster并使用Akka IO通过Tcp在网络上发送大型对象。数据被削减成非常小的块。 ByteString通过＆＃39; Received＆＃39;收到的数据大小。消息很小（大约7KB）。是否有任何配置设置可以一次发送和接收更大的ByteStrings？

Answer 1

接收的ByteString的大小可在application.conf文件中配置。这是默认配置：

akka.io.tcp {
      # The number of bytes per direct buffer in the pool used to read or write
      # network data from the kernel.
      direct-buffer-size = 128 KiB

      # The maximal number of direct buffers kept in the direct buffer pool for
      # reuse.
      direct-buffer-pool-limit = 1000

      # The maximum number of bytes delivered by a `Received` message. Before
      # more data is read from the network the connection actor will try to
      # do other work.
      # The purpose of this setting is to impose a smaller limit than the 
      # configured receive buffer size. When using value 'unlimited' it will
      # try to read all from the receive buffer.
      max-received-message-size = unlimited
}

尝试更改这些设置。由于max-received-message-size默认为无限制，因此您的问题可能是由缓冲区大小引起的。

如何使用Tcp增加Akka IO中的Tcp Chunk大小

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