show parser statistics
Table 118 | show parser statistics Output Fields | |
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Last configuration file parsed: | Displays statistics on the last configuration file copied | |
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| into the running configuration (at startup or using the |
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| copy command). |
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Number of commands: | The number of command lines in the last configuration | |
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| file parsed. |
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Time: |
| Time (in milliseconds) taken for the system to load the |
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| last configuration file. |
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Parser cache: |
| Displays whether the Parser Cache feature is enabled |
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| or disabled, and the hit/miss statistics related to the |
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| feature. Statistics are stored since the initialization of |
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| the system, or since the last time the parser cache was |
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| cleared. |
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hits |
| Number of commands the parser cache was able to |
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| parse more efficiently by matching them to similar |
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| commands executed previously. |
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misses |
| Number of commands the parser cache was unable to |
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| match to previously executed commands. The |
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| performance enhancement provided by the Parser |
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| Cache feature cannot be applied to unmatched |
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| commands. |
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In the following example the show parser statistics command is used to compare the
Router# configure terminal !parser cache is disabled Router(config)# no parser cache
!configuration file is loaded into the running configuration Router# copy slot0:acl_list
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Router# show parser statistics
Last configuration file parsed:Number of Commands:1484, Time:1272 ms
Parser cache:disabled, 0 hits, 2 misses
!the parser cache is reenabled Router(config)# parser cache
!configuration file is loaded into the running configuration Router# copy slot0:acl_list
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Router# show parser statistics
Last configuration file parsed:Number of Commands:1484, Time:820 ms
Parser cache:enabled, 1460 hits, 26 misses
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| Cisco IOS Configuration Fundamentals Command Reference |
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| July 2008 |
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