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From "James liu" <liuping.ja...@gmail.com>
Subject Re: about cache
Date Fri, 27 Apr 2007 01:08:58 GMT
first thk u reply.

maybe u tell me the procedure i will test it by myself.

my test size=sum(rows),,,,one query=10,two query(new keyword)=20





2007/4/27, James liu <liuping.james@gmail.com>:
>
> These data is true ? hitration is 0??
>
> size=1?
>
> how do u test it?
>
> i think these data is impossible.
>
>
>
> 2007/4/27, Koji Sekiguchi < koji@r.email.ne.jp>:
> >
> > > if u try it. and u find it always 0
> >
> > Are you talking about evistions?
> > If you are talking about evictions and it is always zero,
> > it shows that you have enough room in your cache in comparison to your
> > load.
> >
> > By way of example, when we did load test for "size==1 cache", we could
> > see:
> >
> > - queryResultCache-
> > lookups: 78626
> > hits: 72
> > hitratio: 0.00
> > inserts: 78554
> > evictioins: 1042748
> > size: 1
> >
> > Hope this helps,
> >
> > Koji
> >
> >
> > James liu wrote:
> > > if u try it. and u find it always 0
> > >
> > > 2007/4/26, Koji Sekiguchi <koji@r.email.ne.jp>:
> > >>
> > >> I think cumulative_ counters are the total count of successive
> > >> SolrIndexSearchers' cache.
> > >> For example, you have a registered searcher and you see:
> > >>
> > >> inserts: 1
> > >> cumulative_inserts: 1
> > >>
> > >> Then you update your index and do commit, you got a new searcher.
> > >> At this moment, non cumulative_ counters come to zero.
> > >> Then you search something and you could see:
> > >>
> > >> inserts: 1
> > >> cumulative_inserts: 2
> > >>
> > >> And if you have enough room for inserting new entries, evictions
> > >> might be zero. To see none zero evictions, you can set
> > >> a small size for queryResultCache and try to issue many unique
> > queries.
> > >> For example, set the size to 1, then issue 2 unique queries, then
> > >> you can see evictions: 1.
> > >>
> > >> regards,
> > >>
> > >> Koji
> > >>
> > >>
> > >> James liu wrote:
> > >> > now i use admin gui to moniter cache config
> > >> >
> > >> > i don't know the difference betwin cumulative_ and no *cumulative_*
> > >> > ,,,like
> > >> > cumulative_inserts and inserts
> > >> >
> > >> > and i find evictions always show zero....i m curious when it will
> > >> > change and
> > >> > its meaning
> > >> >
> > >>
> > >>
> > >
> > >
> >
> >
>
>
> --
> regards
> jl




-- 
regards
jl

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