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Solaris Tunable Parameters Reference Manual
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New or Changed Parameters in the Solaris Release

The following sections describe new, changed, or obsolete kernel tunables.

  • Solaris Express Developer Edition 9/07: The nfs4_dynamic parameter information was inadvertently included in previous versions. This parameter is not available.

  • Solaris Express Developer Edition 1/08 The translation storage buffers parameters in the sun4u or sun4v Specific Parameters section are being revised to provide better information. In this release, the following parameters have changed:

    • enable_tsb_rss_sizing – The default text was incorrect and has been corrected.

    • tsb_rss_factor – The example section referred to percentages rather than the more appropriate parameter units. This issue has been resolved.

  • Solaris Express Developer Edition 1/08 The Solaris 10 version of this manual inadvertently included the tcp_keepalive_abort_interval parameter information. This parameter is only available in the Solaris Express release.

  • Solaris Express Developer Edition 9/07: Parameter information was updated to include sun4v systems. For more information, see the following references:

  • Solaris Express Developer Edition 9/07: The range value for the maxpgio parameter information that was previously published in this book was incorrect. For more information, see maxpgio.

  • Solaris Express Developer Edition 5/07: For information about changes to parameters that can only be changed in the global zone, see What's New in Solaris System Tuning?

  • Solaris Express Developer's Edition 2/07: The ip_squeue_write parameter information that was previously published in this book was incorrect and has been removed.

  • Solaris Express, Developer's Edition 2/07: The default value of ncsize parameter was incorrectly documented in the Solaris 10 release. For more information, see ncsize.

  • Solaris Express, Developer's Edition 2/07: The default value of nfs:nfs3_nra parameter was incorrectly documented in the Solaris 10 release. The default value is 4. For more information, see nfs:nfs3_nra.

  • Solaris Express 2/06: The ip_squeue_fanout parameter has been modified. For more information, see ip_squeue_fanout.

  • Solaris Express 2/06Solaris 10 6/06: The sq_max_size parameter was incorrectly documented in the Solaris 10 release. The default value is 10000 messages. For more information, see sq_max_size.

  • Solaris Express 2/06: The default value of the logevent_max_q_sz parameter changed from 2000 events to 5000 events. For more information, see logevent_max_q_sz.

  • Solaris Express 2/06: The lwp_default_stksize parameter was incorrectly documented in the Solaris 10 release. The default value for SPARC systems is 24,576. For more information, see lwp_default_stksize.

  • Solaris Express 12/05: The ip_multidata_outbound parameter has been enhanced. For more information, see ip_multidata_outbound.

  • Solaris Express 11/05: The default value of the ip_forward_src_routed and ip6_forward_src_routed parameters was incorrectly documented in the Solaris 9 and Solaris 10 releases. The correct default value is disabled. For more information, see ip_forward_src_routed and ip6_forward_src_routed.

  • Solaris Express 11/05: The default values and ranges of the UDP parameters changed in the Solaris 10 release. The new values were previously undocumented. For more information about the new values, see UDP Tunable Parameters.

  • Solaris Express 10/05: The sq_max_size parameter was incorrectly documented in the Solaris 10 release. The default value is 10000 messages. For more information, see sq_max_size.

  • Solaris Express 10/05: The default value of md_mirror:md_resync_bufsz was increased to 1024 blocks from 128 blocks. For more information, see md_mirror:md_resync_bufsz.

  • Solaris Express 10/05: For information on using the new TCP keepalive parameters, see tcp_keepalive_abort_interval and tcp_keepalive_interval.

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