Oracle Solaris Tunable Parameters Reference Manual

nca:nca_conn_hash_size

Description

Controls the hash table size in the NCA module for all TCP connections, adjusted to the nearest prime number.

Default

383 hash table entries

Range

0 to 201,326,557

Dynamic?

No

When to Change

When the NCA's TCP hash table is too small to keep track of the incoming TCP connections. This situation causes many TCP connections to be grouped together in the same hashtable entry. This situation is indicated when NCA is receiving many TCP connections, and system performance decreases.

Commitment Level

Unstable