The RELDATBUF option determines the size of buffer used when accessing a file with organization RELATIVE.
RELDATBUF=integer
integer | Round up the value that you enter to the next power of 2 that is greater or equal. |
0 | Do not use buffering. |
Default: | 4096 |
A non-zero value can be beneficial in the following circumstances:
However, in other cases there is likely to be no performance gain. In fact, performance may be degraded.