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More attributes for indexing?
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davidk at isi.edu
davidk at isi.edu
Mon Sep 30 22:59:43 CEST 1996
Hi Steven, > Steven Bakker writes : > > At the last RIPE meeting there was some discussion about which attributes > would be useful to keep indices on. Well, since our office move last > weekend, I came up with a (rather predictable) one: > > $ whois -i ad "Lockton House" > > % ignored attribute "address" since it is not indexed as a reference > > % no attributes specified for -i query > > > $ _ > > It would be nice to have an index on address, although such an index might > become veeerrrry large, due to the fact that you can specify multiple > "address" attributes per object; dunno. > > Any thoughts? >From the technical point of view: This is very well possible. Indexing the person objects takes about 1.5 hour. This extra indexing might cause 3 times more indexed values (for person objects only) and thus will probably take about 4.5 hours at this point in time (yes, indexing times are *not* scaling exponentially anymore since the last release ;-)). This means that it could be done on the current machine for the next year and even for a longer term if indexing is done in the weekend. A on-the-fly reindexing feature could solve this problem completely. Note that much of this is harddisk speed bounded and is thus more difficult to speed up then just buying a faster CPU. One warning though, the perl/dbm package might give problems earlier in time, which could make it necessary to withdraw this functionality later in the future. David K. ---
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