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Oracle Solaris 11.1 Tunable Parameters Reference Manual     Oracle Solaris 11.1 Information Library
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Document Information

Preface

1.  Overview of Oracle Solaris System Tuning

2.  Oracle Solaris Kernel Tunable Parameters

3.  Oracle Solaris ZFS Tunable Parameters

4.  NFS Tunable Parameters

5.  Internet Protocol Suite Tunable Parameters

6.  System Facility Parameters

A.  Tunable Parameters Change History

Kernel Parameters

General Kernel and Memory Parameters (Oracle Solaris 11 and 11.1)

zfs_arc_min

zfs_arc_max

disp_rechoose_interval

Paging-Related Parameters (Oracle Solaris 11)

fastscan

Process-Sizing Tunables (Oracle Solaris 11.1)

ngroups_max

max_nprocs

maxusers

pidmax

segkpsize

Swapping-Related Parameter (Oracle Solaris 11.1)

swapfs_minfree

General File System Parameter (Oracle Solaris 11.1)

dnlc_dircache_percent

General Driver Parameter (Oracle Solaris 11)

ddi_msix_alloc_limit

Network Driver Parameters (Oracle Solaris 11)

igb Parameters

ixgbe Parameters

TCP/IP Tunable Parameters (Oracle Solaris 11 and 11.1)

[tcp,sctp,udp]_smallest_anon_port and [tcp,sctp,udp]_largest_anon_port

_local_slow_start_initial

IP Parameter Name Changes (Oracle Solaris 11)

TCP Parameter Name Changes (Oracle Solaris 11)

UDP Parameter Name Changes (Oracle Solaris 11)

SCTP Parameter Name Changes (Oracle Solaris 11)

Parameters That Are Obsolete or Have Been Removed (Oracle Solaris 11 and 11.1)

NCA Parameters

consistent_coloring

rstchown

Obsolete TCP/IP Module Parameters (Oracle Solaris 11)

ip_multidata_outbound

tcp_mdt_max_pbufs

B.  Revision History for This Manual

Index

Kernel Parameters

General Kernel and Memory Parameters (Oracle Solaris 11 and 11.1)

zfs_arc_min

This parameter description is newly documented in the Oracle Solaris 11 release. For more information, see zfs_arc_min.

In Oracle Solaris 11.1, the zfs_arc_min parameter information has moved to Chapter 3, Oracle Solaris ZFS Tunable Parameters.

zfs_arc_max

This parameter description is newly documented in the Oracle Solaris 11 release. For more information, see zfs_arc_max.

In Oracle Solaris 11.1, the zfs_arc_max parameter information has moved to Chapter 3, Oracle Solaris ZFS Tunable Parameters.

disp_rechoose_interval

This parameter is new in the Oracle Solaris 11 release. For more information, see disp_rechoose_interval.

Paging-Related Parameters (Oracle Solaris 11)

fastscan

The default value of fastscan was clarified. For more information, see fastscan.

Process-Sizing Tunables (Oracle Solaris 11.1)

ngroups_max

This parameter is newly documented in the Oracle Solaris 11 release.

In the Oracle Solaris 11.1 release, the When to Change description was revised to include interaction information for AUTH_SYS authentication when this parameter is set to greater than 16. For more information, see ngroups_max.

max_nprocs

The default value of this parameter was updated in the Oracle Solaris 11.1 release. For more information, see max_nprocs.

maxusers

The default value of this parameter was updated in the Oracle Solaris 11.1 release. For more information, see maxusers.

pidmax

The default value of this parameter was updated in the Oracle Solaris 11.1 release. For more information, see pidmax.

segkpsize

The default value of this parameter was updated in the Oracle Solaris 11.1 release. For more information, see segkpsize.

Swapping-Related Parameter (Oracle Solaris 11.1)

swapfs_minfree

The When to Change section of this parameter information was updated in the Oracle Solaris 11.1 release. For more information, see swapfs_minfree.

General File System Parameter (Oracle Solaris 11.1)

dnlc_dircache_percent

This parameter is new in the Oracle Solaris 11.1 release. For more information, see dnlc_dircache_percent.

General Driver Parameter (Oracle Solaris 11)

ddi_msix_alloc_limit

This parameter is newly documented in the Oracle Solaris 11 release. For more information, see ddi_msix_alloc_limit.

Network Driver Parameters (Oracle Solaris 11)

igb Parameters

The igb network driver parameters are provided in the Oracle Solaris 11 release. For more information, see igb Parameters.

ixgbe Parameters

The ixgbe network driver parameters are provided in the Oracle Solaris 11 release. For more information, see ixgbe Parameters.