X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=doc%2Frrdtune.html;fp=doc%2Frrdtune.html;h=fe809e45ef4e011a1ed5fb41b310d7732a986c29;hb=17d11091c4df387ec01f0fce611cca5e3117a5d7;hp=6c289dfd730f1327c2e871c68696cad6cdfd68ef;hpb=3741f89bbcc7e8c9dbab7d76bbd2fe28249cfded;p=pkg-rrdtool.git diff --git a/doc/rrdtune.html b/doc/rrdtune.html index 6c289df..fe809e4 100644 --- a/doc/rrdtune.html +++ b/doc/rrdtune.html @@ -47,6 +47,8 @@ [--beta adaption-parameter] [--gamma adaption-parameter] [--gamma-deviation adaption-parameter] +[--smoothing-window fraction-of-season] +[--smoothing-window-deviation fraction-of-season] [--aberrant-reset ds-name]

@@ -157,19 +159,32 @@ algorithm. This parameter must be between 0 and 1.

Alter the seasonal deviation adaptation parameter for the DEVSEASONAL RRA. This parameter must be between 0 and 1.

+
--smoothing-window fraction-of-season
+ +
+

Alter the size of the smoothing window for the SEASONAL RRA. This must +be between 0 and 1.

+
+
--smoothing-window-deviation fraction-of-season
+ +
+

Alter the size of the smoothing window for the DEVSEASONAL RRA. This must +be between 0 and 1.

+
--aberrant-reset ds-name

This option causes the aberrant behavior detection algorithm to reset for the specified data source; that is, forget all it is has learnt so far. -Specifically, for the HWPREDICT RRA, it sets the intercept and slope -coefficients to unknown. For the SEASONAL RRA, it sets all seasonal +Specifically, for the HWPREDICT or MHWPREDICT RRA, it sets the intercept and +slope coefficients to unknown. For the SEASONAL RRA, it sets all seasonal coefficients to unknown. For the DEVSEASONAL RRA, it sets all seasonal -deviation coefficients to unknown. For the FAILURES RRA, it erases -the violation history. Note that reset does not erase past predictions -(the values of the HWPREDICT RRA), predicted deviations (the values of the -DEVPREDICT RRA), or failure history (the values of the FAILURES RRA). -This option will function even if not all the listed RRAs are present.

+deviation coefficients to unknown. For the FAILURES RRA, it erases the +violation history. Note that reset does not erase past predictions +(the values of the HWPREDICT or MHWPREDICT RRA), predicted deviations (the +values of the DEVPREDICT RRA), or failure history (the values of the +FAILURES RRA). This option will function even if not all the listed +RRAs are present.

Due to the implementation of this option, there is an indirect impact on other data sources in the RRD. A smoothing algorithm is applied to SEASONAL and DEVSEASONAL values on a periodic basis. During bootstrap