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Posted to solr-user@lucene.apache.org by James liu <li...@gmail.com> on 2007/04/26 03:59:40 UTC
about cache
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
Re: about cache
Posted by James liu <li...@gmail.com>.
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 <li...@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 <ko...@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
Re: about cache
Posted by James liu <li...@gmail.com>.
thk u.. im testing solr now.
2007/4/27, Koji Sekiguchi <ko...@r.email.ne.jp>:
>
> I don't understand your question very well..
>
> If you follow the steps in my previous mail,
> you *can* see your cache evictions come to positive number.
> (I thought you wanted to see it)
>
> With your production system, you have to set
> the proper size rather than 1.
>
> regards,
>
> Koji
>
>
> James liu wrote:
> > u close queryResultCache if u set its size=1
> >
> > hitratio will be zero if u do that.
> >
> >
> > i think these data when u test, is it right?
> >
> >
> >
> > 2007/4/27, Koji Sekiguchi <ko...@r.email.ne.jp>:
> >>
> >> These numbers are a part of our real data.
> >> If you want to see positive number for evictions,
> >> you can:
> >>
> >> 1. set queryResultCache size to 1
> >> 2. restart Solr
> >> 3. issue two *unique* queries
> >> 4. see admin page
> >>
> >> At step 4, you should see hitratio: 0.00 and evictions: 1.
> >>
> >> Thanks,
> >>
> >> Koji
> >>
> >> James liu wrote:
> >> > 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 <ko...@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 <ko...@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
Re: about cache
Posted by Koji Sekiguchi <ko...@r.email.ne.jp>.
I don't understand your question very well..
If you follow the steps in my previous mail,
you *can* see your cache evictions come to positive number.
(I thought you wanted to see it)
With your production system, you have to set
the proper size rather than 1.
regards,
Koji
James liu wrote:
> u close queryResultCache if u set its size=1
>
> hitratio will be zero if u do that.
>
>
> i think these data when u test, is it right?
>
>
>
> 2007/4/27, Koji Sekiguchi <ko...@r.email.ne.jp>:
>>
>> These numbers are a part of our real data.
>> If you want to see positive number for evictions,
>> you can:
>>
>> 1. set queryResultCache size to 1
>> 2. restart Solr
>> 3. issue two *unique* queries
>> 4. see admin page
>>
>> At step 4, you should see hitratio: 0.00 and evictions: 1.
>>
>> Thanks,
>>
>> Koji
>>
>> James liu wrote:
>> > 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 <ko...@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 <ko...@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
>> >> >> >
>> >> >>
>> >> >>
>> >> >
>> >> >
>> >>
>> >>
>> >
>> >
>>
>>
>
>
Re: about cache
Posted by James liu <li...@gmail.com>.
u close queryResultCache if u set its size=1
hitratio will be zero if u do that.
i think these data when u test, is it right?
2007/4/27, Koji Sekiguchi <ko...@r.email.ne.jp>:
>
> These numbers are a part of our real data.
> If you want to see positive number for evictions,
> you can:
>
> 1. set queryResultCache size to 1
> 2. restart Solr
> 3. issue two *unique* queries
> 4. see admin page
>
> At step 4, you should see hitratio: 0.00 and evictions: 1.
>
> Thanks,
>
> Koji
>
> James liu wrote:
> > 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 <ko...@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 <ko...@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
Re: about cache
Posted by Koji Sekiguchi <ko...@r.email.ne.jp>.
These numbers are a part of our real data.
If you want to see positive number for evictions,
you can:
1. set queryResultCache size to 1
2. restart Solr
3. issue two *unique* queries
4. see admin page
At step 4, you should see hitratio: 0.00 and evictions: 1.
Thanks,
Koji
James liu wrote:
> 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 <ko...@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 <ko...@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
>> >> >
>> >>
>> >>
>> >
>> >
>>
>>
>
>
Re: about cache
Posted by James liu <li...@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 <ko...@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 <ko...@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
Re: about cache
Posted by Koji Sekiguchi <ko...@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 <ko...@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
>> >
>>
>>
>
>
Re: about cache
Posted by James liu <li...@gmail.com>.
if u try it. and u find it always 0
2007/4/26, Koji Sekiguchi <ko...@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
Re: about cache
Posted by Koji Sekiguchi <ko...@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
>