[ic] Rolling big tables (mysql)
kevin at cursor.biz
Thu May 24 12:01:09 EDT 2007
Grant <emailgrant at gmail.com> wrote:
> > > > > I do keep a separate table of robot UAs and match traffic rows to them
> > > > > with op=eq to populate another table with robot IPs and non-robot IPs
> > > > > for the day to speed up the report. Don't you think it would be
> > > > > slower to match/no-match each IC request to a known robot UA and write
> > > > > to the traffic table based on that, instead of unconditionally writing
> > > > > all requests to the traffic table? If not, excluding the robot
> > > > > requests from the traffic table would mean a lot less processing for
> > > > > the report and a lot fewer records for the traffic table.
> > > > >
> > > > Perhaps you should create a column called "spider" in the traffic table
> > > > and save a true or false value depending upon the [data session spider]
> > > > value. You can then generate reports "WHERE spider = 0", for ordinary
> > > > users, or "WHERE spider = 1" for robots etc. An index on the spider column
> > > > would be nice, of course.
> > > >
> > > I let this roll around in my head for quite a while and I ended up
> > > writing the IC page accesses to my traffic table based on [data
> > > session spider] like you suggested. This should mean a much smaller
> > > traffic table and less processing when running a report on it. We'll
> > > see how much time it buys me before running the report takes too long
> > > again. I also need to set up indexes.
> > >
> > Also, you may as well grab the latest robots.cfg file from CVS and
> > "include" it into your interchange.cfg file.
> I just had a look at robots.cfg and I think I see a few opportunities
> for false positives. I would think "agent" could be bad, and there
> are browser toolbars for GetRight and Yahoo which probably alter the
> UA. Is there a crucial set of NotRobotUA entries to go along with
> Is anyone using robots.cfg and actively watching for false positives?
I'll look into those. Do you know the UA names for the various toolbars?
I can probably look that up somewhere. I wouldn't have thought that
"agent" would be a risk.
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