netty Architecture Docs
Home / Function/ adjustMaxBytesPerGatheringWrite() — netty Function Reference

adjustMaxBytesPerGatheringWrite() — netty Function Reference

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

Function java Buffer Search called by 1

Entity Profile

Dependency Diagram

graph TD
  33481a97_2b4d_55aa_8999_b11ea1a94b03["adjustMaxBytesPerGatheringWrite()"]
  6ec314cd_b42f_72bd_344b_f54212398142["AbstractEpollStreamChannel"]
  33481a97_2b4d_55aa_8999_b11ea1a94b03 -->|defined in| 6ec314cd_b42f_72bd_344b_f54212398142
  a5dc69a3_d29e_d4a5_1eb0_e9fdb99b443e["writeBytesMultiple()"]
  a5dc69a3_d29e_d4a5_1eb0_e9fdb99b443e -->|calls| 33481a97_2b4d_55aa_8999_b11ea1a94b03
  style 33481a97_2b4d_55aa_8999_b11ea1a94b03 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollStreamChannel.java lines 275–286

    private void adjustMaxBytesPerGatheringWrite(long attempted, long written, long 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) {
                config().setMaxBytesPerGatheringWrite(attempted << 1);
            }
        } else if (attempted > MAX_BYTES_PER_GATHERING_WRITE_ATTEMPTED_LOW_THRESHOLD && written < attempted >>> 1) {
            config().setMaxBytesPerGatheringWrite(attempted >>> 1);
        }
    }

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does adjustMaxBytesPerGatheringWrite() do?
adjustMaxBytesPerGatheringWrite() is a function in the netty codebase, defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollStreamChannel.java.
Where is adjustMaxBytesPerGatheringWrite() defined?
adjustMaxBytesPerGatheringWrite() is defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollStreamChannel.java at line 275.
What calls adjustMaxBytesPerGatheringWrite()?
adjustMaxBytesPerGatheringWrite() is called by 1 function(s): writeBytesMultiple.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free