The istat command produces a graphic representation of item-ID distribution within a file and suggests a new modulo. The istat command is equivalent to the hash-test command.
istat file.reference{item.list} {modifiers} {(options)}
| options | r | Provides additional information about indirect (pointer) items, that are otherwise not accurately reflected by the output. |
| s | Suppresses display of histogram; displays summary statistics only. |
istat entity (s
file = entity modulo = 11 16:08:40 14 Feb 2004
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
AQL command categories, f-resize command, File reference (Access Query Language), File-of-files file (VME), hash-test command, item command, Item list, Modifiers, modulo, nframe-index command, Options (Access Query Language), Pointer item, resize command, Selection criteria, check-sum command