Any prospect of converting the PDS to a PDSE, then you can potentially use the built in PDSE caching capability?
On 11 January 2011 18:20, Ricc Harding <[email protected]> wrote: > Since a search of the archives for DLFCLASS got no hits, I am guessing this > has not been discussed much. One of the clients products has a small PDS > updated infrequently, accessed simultaneously by many people all the time > (125,000 accesses in a normal hour), and a point of device contention and > such often even though all access is read only. > > I thought I would try and load the dataset as a DLF object and eliminate > much of the physical device contention. But since it is a PDS (less than a > 100 members and about 1 cylinder in size) it does not appear that DLF will > have any benefit (DLF is QSAM or VSAM only) since it looks like they open > the PDS, then FIND the member, then READ it. > > VLF seems to do the same as DLF but allows PDS format data. > > Does anyone have experience using either VLF or DLF for some other than the > predefined IBM classes (in other words defining your own class and > populating it). > I would like to avoid gotcha's that others have hit if there are any. > aTdHvAaNnKcSe > Ricc > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
