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04-24-2018 04:17 AM
04-24-2018 04:17 AM
3Par cache utilization
Inside the InformOS it is possible to check how much cache is being used by the InformOS it self? If Yes is this value fixed or variable?
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04-24-2018 05:17 AM
04-24-2018 05:17 AM
Re: 3Par cache utilization
CMP Cache Memory Page. A 16 KB block of control cache memory where I/O requests are stored
statcmp will show Read and Write hits on a per node basis:
Example:
cli% statcmp
17:08:48 07/14/06 ---- Current ----- ----- Total ------
Node Type Accesses Hits Hit% Accesses Hits Hit%
0 Read 1982 85 4 1982 85 4
0 Write 1743 5 0 1743 5 0
1 Read 1803 92 5 1803 92 5
1 Write 1694 5 0 1694 5 0
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04-24-2018 05:25 AM
04-24-2018 05:25 AM
Re: 3Par cache utilization
You may also want to look at the command: statcache
----- statcache -d -iter ----- duration=180 iteration=1 02:37:42 04/24/2018 ------- Current -------- -------- Total --------- CMP FMP Total CMP FMP Total Node Type Accesses Hit% Hit% Hit% Accesses Hit% Hit% Hit% 0 Read 2009458 67 0 67 2009458 67 0 67 0 Write 1259440 25 0 25 1259440 25 0 25 1 Read 2385518 55 0 55 2385518 55 0 55 1 Write 1566079 30 0 30 1566079 30 0 30 2 Read 2167913 64 0 64 2167913 64 0 64 2 Write 1945717 27 0 27 1945717 27 0 27 3 Read 2011226 68 0 68 2011226 68 0 68 3 Write 1390183 27 0 27 1390183 27 0 27
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04-24-2018 10:06 AM
04-24-2018 10:06 AM
Re: 3Par cache utilization
The cache size is fixed. shownode will list it under "Data Mem".