Dynamic statistics configuration is activated using the -statscfg startup option.
Configuration Reference
[stats] Section
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enabled |
The value may be "0" to disable statistics collection or "1" to enable it. The default is "0". |
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file |
The name of the statistics file. If not fully qualified then the value of the _DEFAULTS define is used to complete the file name. |
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time |
Specifies the time format for the statistics file entries. Available formats are:
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flush-interval |
Specifies how often statistics are written to the statistics file, specified in seconds, or as a CRON expression. The default value is 15 seconds. Valid values are 15 - 86400. |
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reset-interval |
Specifies how often the process statistics counters are reset, specified in minutes, or as a CRON expression. The default value is 0, which indicates that the statistics are not automatically reset and continue to accumulate for the life of the process. Valid values are 0 - 10080. |
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on-reset |
The action to take on the statistics file when a reset occurs. The available options are:
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Additionally, the
Common Configuration Options
may be included to specify file allocation and rollover options.
Example
; Enable statistics collection.
[stats]
enabled=1
file=$data1.stats.zzstats
maxentents=200
time=lct
Defining Intervals Using CRON Expressions
CRON is a job scheduling service available on a number of platforms. Interval values may be specified as CRON expressions which provide finer grain control on interval expiration. Documenation and tools for creating and interpreting CRON expressions may be found here:
CRON Expression Generator and Explainer at FREEFORMATTER.COM
Example
; Enable statistics collection.
[stats]
enabled=1
file=$data1.stats.zzstats
maxentents=200
time=lct
;Flush every 2 minutes
flush-interval=0 */2 * ? * *
; Reset every 4 hours
reset-interval=0 0 */4 ? * *