ber_sockbuf_ctrl - Linux
Overview
ber_sockbuf_ctrl allows the manipulation of socket buffer and thread pool options for the Berkeley Socket (BSD) library used in networking applications. It provides fine-grained control over network performance and resource allocation.
Syntax
ber_sockbuf_ctrl [-g] [-s] [[-qV] OPTION [ARG]]...
Options/Flags
- -g (get): Display current settings.
- -s (set): Set options as specified.
- -q (query): Display the supported options and their descriptions.
- -V (version): Display version information.
Options:
- rmem_default: Default receive buffer size (in bytes).
- rmem_min: Minimum receive buffer size (in bytes).
- rmem_max: Maximum receive buffer size (in bytes).
- wmem_default: Default send buffer size (in bytes).
- wmem_min: Minimum send buffer size (in bytes).
- wmem_max: Maximum send buffer size (in bytes).
- threads: Number of threads in the socket thread pool.
- thread_min: Minimum number of threads in the pool.
- thread_max: Maximum number of threads in the pool.
Examples
Get Buffer Size Defaults
ber_sockbuf_ctrl -g rmem_default
Set Buffer Sizes
ber_sockbuf_ctrl -s rmem_min 64K wmem_max 2MB
Query Supported Options
ber_sockbuf_ctrl -q
Common Issues
- Incorrect option value: Ensure that the specified option values are within the supported ranges.
- Invalid option: Double-check the option name and spelling.
Integration
ber_sockbuf_ctrl can be used in conjunction with other networking commands, such as:
- ss: Monitor socket connections.
- netstat: Display network statistics.