istat

istat


is Index Level itemlist
Syntax istat file.reference {itemlist} {modlist} {(options)}
Category Access
Type Verb
Description produces a graphic representation of item-id distribution within a file and suggests a new modulo.

It's counterpart is the "hash-test" command.
Options *  see "options: Access".
r  Provides additional information about indirect (pointer) items, which are otherwise not acurately reflected by the output.
s  Suppresses display of histogram; displays summary statistics only.
See Also file.reference Access verbs item hash-test options: modulo f-resize resize nframe-index file-of-files pointer item
Example istat entity (s

file = entity  modulo= 11               16:08:40 12 Oct 1993
frames bytes items
         11
           Hash-Test/Istat Statistics

total item count =     8        byte count =       2226
avg. bytes/item = 270.2  avg. items/group =          3
 std. deviation =   1.0  avg. bytes/group =      202.3
suggested modulo =   3.0
Warnings
Compatibility D3 7.0 AP R83
is Index Level itemlist