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adjustMaxBytesPerGatheringWrite() — netty Function Reference

Architecture documentation for the adjustMaxBytesPerGatheringWrite() function in NioDomainSocketChannel.java from the netty codebase.

Function java Buffer Search calls 1 called by 1

Entity Profile

Dependency Diagram

graph TD
  f88024aa_f5aa_7700_4bbd_9abbdaad622c["adjustMaxBytesPerGatheringWrite()"]
  cfd0ddf4_54f6_2e2b_6078_ee84ec74aadf["NioDomainSocketChannel"]
  f88024aa_f5aa_7700_4bbd_9abbdaad622c -->|defined in| cfd0ddf4_54f6_2e2b_6078_ee84ec74aadf
  c38db99c_4164_2eab_a0bf_82641dc78f7e["doWrite()"]
  c38db99c_4164_2eab_a0bf_82641dc78f7e -->|calls| f88024aa_f5aa_7700_4bbd_9abbdaad622c
  87d8f700_3354_bb33_af1a_b4a90e1838f3["setMaxBytesPerGatheringWrite()"]
  f88024aa_f5aa_7700_4bbd_9abbdaad622c -->|calls| 87d8f700_3354_bb33_af1a_b4a90e1838f3
  style f88024aa_f5aa_7700_4bbd_9abbdaad622c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport/src/main/java/io/netty/channel/socket/nio/NioDomainSocketChannel.java lines 367–378

    private void adjustMaxBytesPerGatheringWrite(int attempted, int written, int oldMaxBytesPerGatheringWrite) {
        // By default we track the SO_SNDBUF when ever it is explicitly set. However some OSes may dynamically change
        // SO_SNDBUF (and other characteristics that determine how much data can be written at once) so we should try
        // make a best effort to adjust as OS behavior changes.
        if (attempted == written) {
            if (attempted << 1 > oldMaxBytesPerGatheringWrite) {
                ((NioDomainSocketChannelConfig) config).setMaxBytesPerGatheringWrite(attempted << 1);
            }
        } else if (attempted > MAX_BYTES_PER_GATHERING_WRITE_ATTEMPTED_LOW_THRESHOLD && written < attempted >>> 1) {
            ((NioDomainSocketChannelConfig) config).setMaxBytesPerGatheringWrite(attempted >>> 1);
        }
    }

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Frequently Asked Questions

What does adjustMaxBytesPerGatheringWrite() do?
adjustMaxBytesPerGatheringWrite() is a function in the netty codebase, defined in transport/src/main/java/io/netty/channel/socket/nio/NioDomainSocketChannel.java.
Where is adjustMaxBytesPerGatheringWrite() defined?
adjustMaxBytesPerGatheringWrite() is defined in transport/src/main/java/io/netty/channel/socket/nio/NioDomainSocketChannel.java at line 367.
What does adjustMaxBytesPerGatheringWrite() call?
adjustMaxBytesPerGatheringWrite() calls 1 function(s): setMaxBytesPerGatheringWrite.
What calls adjustMaxBytesPerGatheringWrite()?
adjustMaxBytesPerGatheringWrite() is called by 1 function(s): doWrite.

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