The current Version of SarCheck for Solaris SPARC 8+ is: 7.01.15
The current Version of SarCheck for Solaris x86 10+ is: 7.01.15

Enhancements to version 7.01.15 (January 4, 2012):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Add a table & text of the top cpu using processes. This feature was first added to SarCheck for HP-UX and is being ported to the other platforms.

Enhancements to version 7.01.14 (December 21, 2011):
(Not released)

• Collection of buffer cache statistics was enhanced because an inexplicable negative buffer cache miss rate was seen on a customer system.

Enhancements to version 7.01.13 (November 4, 2011):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• There are no code changes in this version. We changed the build process and are using the new version number to track it.

Enhancements to version 7.01.12 (April 15, 2011):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Fix an attempt to close a file that was never opened. A recent change to Solaris now catches this unlikely condition and causes the analysis program to end with a segmentation error.

Enhancements to version 7.01.11 (March 9, 2011):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Allow for the fact that on some newer Solaris systems, there is no /etc/system file.

Enhancements to version 7.01.10 (February 25, 2011):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Support compressed ps data files
• Recognize the parms keyword PSCOMPRESS to allow compression by the ps2 script
• Improve the readability of some -tr output to improve supportability
• Remove an errant space between the sar report end time and a comma in the report intro

Enhancements to version 7.01.09 (February 4, 2011):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Add support for Solaris 11.

Enhancements to version 7.01.08 (September 28, 2010):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Add some diagnostic code to help provide better tech support

Enhancements to version 7.01.07 (August 6, 2010):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Add support for gnuplot 4.4
• Add a comment to the generated gnuplot scripts saying what gnuplot version they're made for
• Fix an erroneous zonehound message if somehow no zone used any CPU at all

Enhancements to version 7.01.06 (July 6, 2010):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• The agent now captures the output of "zpool list" on solaris 10+
• Report on zpool size and percent full
• Report on the quantification of memory pressure in more detail
• Improve the algorithm for detecting OS version
• Improve the code which triggers the "this OS is too old" text
• Move the paragraph describing the maxpgio parameter next to slow/fastscan paragraphs
• Add additional resiliency and security to the expiration date processing functions

Enhancements to version 7.01.05 (January 13, 2010):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Support TIME data in ps output which has been formatted as ddd-hh:mm:ss
• Fix a bug in the output of 'analyze -o evaluation'
• Update ps1 script to use ps data collected with the ps -o option. This is needed because complete zone names are not available with ps -Zelf.

Enhancements to version 7.01.03 (December 3, 2009):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Put the system architecture in output: SPARC32/64, X86-32, or AMD64
• Collect the zone name in the ps -elf output
• Include the zone name in the report section on interesting (runaway processes, memory leaks, etc.) processes.

Enhancements to version 7.01.02 (May 12, 2009):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Add peak time and date to the segmap miss row in the tabular summary
• Assume segmap default is 12 percent on SPARC, make recommendations if necessary

Enhancements to version 7.01.01 (March 12, 2009):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• Make a table of the network interface statistics if html
• Add tcp listen drop statistics to tabular summary

Enhancements to version 7.01.00 (January 20, 2009):
(This version is available to subscription holders. If you'd like this version, ask your sales rep)

• DNLC hit percent is now calculated with negative hits (if seen) counting as hits
• Look for undersized DNLC with the agent's pick_heu & pick_last fields
• Collect buffer cache stats from agent data, add to analysis
• Rewrite buffer cache section because of add'l buffer cache agent data
• Change largest acceptable bufhwm size from 4096 to 3% of memsize
• Rewrite code to complain if lotsfree, desfree, minfree, fastscan, slowscan, cachefree are in /etc/system on Solaris 10+, or priority_paging in /etc/system on Solaris 8+
• Optimize code that makes multiday graphs
• Optimize code that build HTML tables
• Rewrite input/output packet reporting
• Don't report on syswide io/sec in table if bad sar -d
• Mention that sar -d data is bad before reporting on it
• Call the static file "static", add switches, parms, helptext
• Created the add'l help text -ha

Enhancements to version 7.00.06 (August 25, 2008):
(This Beta version is available to Subscription holders only. If you'd like this version, ask your sales rep)

• Perform a sanity check on segmap stats: not negative, less than 100 million per sec
• Fix the bug in the calculation of average total IO/sec
• Fix a bug in calculating cxtxdx names whan a large number of Sparc Storage Array devices are present
• Add -cs switch to suppress custom settings section
• Reorganize the internal ps tables when they become full
• Add support for GNUPLOT 4.2
• Add WIDE keyword to sarcheck_parms, change width with WIDE or -wide from 1.0 to 1.2
• Add PRP, PML, PLP, DBRP, DBML, DBLP keywords to sarcheck_parms
• Turn off individual reccomendations w/"TUNABLE ignore" in parmsfile
• Fix a condition where SarCheck's text refers to recommended parameter changes when none have been recommended
• Clean up some redundant code in the creation of scripts for the gnuplot utility
• Stop the HTML comment on i/o btlnk from being inserted into the HTML output when I/O activity is only moderate
• Don't attempt to parse sar -m data on Solaris 10+
• Replace netstat -k references with /bin/kstat references if Solaris 10+

Enhancements to version 7.00.03 include:
(This Beta version is available to Subscription holders only. If you'd like this version, ask your sales rep)

• Enhance the analyze program so it doesn't rely on the system that it's running on
• If greater than Solaris 9, don't make recommendations for lotsfree, desfree, minfree, fastscan, slowscan, priority_paging, cachefree
• Complain if lotsfree, desfree, minfree, fastscan, slowscan, priority_paging, cachefree entries are in /etc/system on Solaris 10
• Add Solaris 10 obsolete tunable detection (pre10es=) to agent
• Fix a problem with closing a graph data file that's already closed
• Close graph data files before building graphs
• Update large process, memory leak, and runaway process detection if data from one system is analyzed on another
• Allow CPULIM in parms file to go up to 12800% (128 processors)
• Add basic sar -m reporting of sema/s and msg/s columns
• Add exec/fork calculation and analysis
• Fix HTML syntax if HTML is specified and no valid sar report is found
• Add slowscan and fastscan values to page scanning graph
• Mention slowscan and fastscan values in text about scan rate
• Update nautoup recommendation algorithm based on Jim Mauro's presentation at LISA '07
• Collect data from the kernel only if analyze is running on the system being analyzed
• Only make recommendations if nautoup & fsflushr are non-zero
• Add warning if ps data not seen. This becomes more important when analyzing data from one system on another
• Get the presence of physmem in /etc/system from agent data in ps file
• Get the number of pages of memory from agent data in ps file
• Scale decimal precision in process table data
• Get rid of sysconf stuff throughout analysis
• Change agent to only read the /etc/system file once
• Add collection of segmap stats to agent
• Do segmap analysis, make recommendations based on Jim Mauro's presentation at LISA '07
• Allow for 128mb max segmap on 32 bit x86
• Parse some tcp statistics, make tcp_conn_req_max recomms
• Parse netstat -i interface statistics
• Perform some basic analysis of network statistics
• Check for problems in the SarCheck build process

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