# Since multicast is rather popular and we have many integrations running,
# more than the default of 20 memberships might be required.
net.ipv4.igmp_max_memberships = 1024

# Increase maximum receive and send buffer size
net.core.rmem_max = 4194304
net.core.wmem_max = 4194304

# Disable TCP slow start after idle to keep cwnd across idle
net.ipv4.tcp_slow_start_after_idle = 0

# Enable linear RTO backoff for "thin" TCP streams.
# "Thin" per kernel: tp->packets_out < 4 and not in initial slow start.
# Ref: tcp_stream_is_thin(tp) in include/net/tcp.h
# Rationale: reduce tail latency for API-style connections after sporadic loss.
net.ipv4.tcp_thin_linear_timeouts = 1