The FairCom DB Server system SNAPSHOT includes counters for ISAM record add, delete, update and read operations. The ctstat utility includes an -isam option which displays various ISAM counters, such as Adds/second, Deletes/second, Updates/second, Reads/second, and totals.
Example
# cstat -isam -u ADMIN -p ADMIN -s FAIRCOMS
add/s del/s upd/s read/s total/s
10216 10215 0 10215 30646
10113 10114 0 10114 30341
10147 10146 0 10146 30439
10164 10165 0 10165 30494
10070 10069 0 10070 30209