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Posted to jcs-users@jakarta.apache.org by techie09 <te...@gmail.com> on 2010/01/06 01:16:44 UTC
using JCS to make use of LRU only
My requirement is to use an in-memory cache in absolute terms, i.e.,
absolutely no data is to be written to disk.
But when I use JCS I see that it is writing some data to disk even though I
am trying to use LRU as my memory model.
Is there any way that I get to use JCS without writing any data to disk.
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Re: using JCS to make use of LRU only
Posted by techie09 <te...@gmail.com>.
Ok. I shall do this, and update the post here. Thanks Aaron.
Aaron Smuts wrote:
>
> Make sure that the log level for JCS is at info. Copy the log output
> during startup into an email message or attach in a text file. I'm
> curious to see what it says.
>
> Aaron
>
> --- On Wed, 1/13/10, techie09 <te...@gmail.com> wrote:
>
>> From: techie09 <te...@gmail.com>
>> Subject: Re: using JCS to make use of LRU only
>> To: jcs-users@jakarta.apache.org
>> Date: Wednesday, January 13, 2010, 11:36 AM
>>
>> Hi Aaron,
>>
>>
>> Thanks so much for spending time on this helping me out.
>>
>> But now this is starting to boggle me. I searched our
>> entire project, and
>> there is only cache.ccf (and this is the one I had attached
>> earlier) in the
>> whole project including the jars. I made a fresh deploy and
>> am still getting
>> the same exception in the server logs. And our JVMs have no
>> other apps on it
>> except for ours.
>>
>> Update:
>> I even added the line
>> "JCS.setConfigFilename("/cache.ccf");" to take the
>> specific cache.ccf file. Still no use. :-(
>>
>>
>> Thanks,
>> Srinivas
>>
>>
>>
>> Aaron Smuts wrote:
>> >
>> > There must be a different cache.ccf file on the
>> classpath. JCS will not
>> > instantiate the Indexed Disk Cache unless it's
>> configured to do so. Look
>> > at the startup log entries. It will give you
>> information on the region
>> > configuration and possibly the cache file. In
>> any case, there's got to be
>> > a different config file on the classpath.
>> >
>> > Aaron
>> >
>> > --- On Tue, 1/12/10, techie09 <te...@gmail.com>
>> wrote:
>> >
>> >> From: techie09 <te...@gmail.com>
>> >> Subject: Re: using JCS to make use of LRU only
>> >> To: jcs-users@jakarta.apache.org
>> >> Date: Tuesday, January 12, 2010, 11:07 AM
>> >>
>> >> I tried setting it not to use any kind of
>> auxilliary cache.
>> >> But when I deploy
>> >> the code onto our WAS servers (these have strict
>> policies
>> >> not to let any
>> >> data to be written to disk, not even to the temp
>> folder),
>> >> it is coming out
>> >> with an access error. I am attaching both
>> cache.ccf and the
>> >> exception
>> >> details in two files.
>> >>
>> >> http://old.nabble.com/file/p27131961/Exception%2BDetails.txt
>> >> Exception+Details.txt
>> >> http://old.nabble.com/file/p27131961/cache.ccf
>> >> cache.ccf
>> >>
>> >> Please advise as this is on our project critical
>> path.
>> >>
>> >> Thanks,
>> >> Kalyan
>> >>
>> >>
>> -----------------------------------------------------------------------------------------
>> >>
>> >> Aaron Smuts wrote:
>> >> >
>> >> > There is no such thing as an LUR model.
>> >> >
>> >> > JCS allows you to use various auxiliaries.
>> They
>> >> come in a few simple
>> >> > types: memory, disk, lateral, and remote.
>> If you
>> >> don't configure the
>> >> > cache to use a disk auxiliary, it won't use
>> one.
>> >>
>> >> >
>> >> > Read the documentation. If you can't figure
>> it
>> >> out, send your cache.ccf
>> >> > file to the mailing list.
>> >> >
>> >> > Aaron
>> >> >
>> >> > --- On Tue, 1/5/10, techie09 <te...@gmail.com>
>> >> wrote:
>> >> >
>> >> >> From: techie09 <te...@gmail.com>
>> >> >> Subject: using JCS to make use of LRU
>> only
>> >> >> To: jcs-users@jakarta.apache.org
>> >> >> Date: Tuesday, January 5, 2010, 4:16 PM
>> >> >>
>> >> >> My requirement is to use an in-memory
>> cache in
>> >> absolute
>> >> >> terms, i.e.,
>> >> >> absolutely no data is to be written to
>> disk.
>> >> >> But when I use JCS I see that it is
>> writing some
>> >> data to
>> >> >> disk even though I
>> >> >> am trying to use LRU as my memory model.
>>
>> >> >> Is there any way that I get to use JCS
>> without
>> >> writing any
>> >> >> data to disk.
>> >> >> --
>> >> >> View this message in context:
>> >> >>
>> >>
>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
>> >> >> Sent from the JCS - Users mailing list
>> archive at
>> >> >> Nabble.com.
>> >> >>
>> >> >>
>> >> >>
>> >>
>> ---------------------------------------------------------------------
>> >> >> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>> >> >> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>> >> >>
>> >> >>
>> >> >
>> >> >
>> >>
>> ---------------------------------------------------------------------
>> >> > To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>> >> > For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>> >> >
>> >> >
>> >> >
>> >>
>> >> --
>> >> View this message in context:
>> >>
>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27131961.html
>> >> Sent from the JCS - Users mailing list archive at
>> >> Nabble.com.
>> >>
>> >>
>> >>
>> ---------------------------------------------------------------------
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>> >>
>> >>
>> >
>> >
>> ---------------------------------------------------------------------
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>> >
>> >
>> >
>>
>> --
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>> Sent from the JCS - Users mailing list archive at
>> Nabble.com.
>>
>>
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>>
>>
>
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Re: using JCS to make use of LRU only
Posted by Aaron Smuts <as...@yahoo.com>.
Make sure that the log level for JCS is at info. Copy the log output during startup into an email message or attach in a text file. I'm curious to see what it says.
Aaron
--- On Wed, 1/13/10, techie09 <te...@gmail.com> wrote:
> From: techie09 <te...@gmail.com>
> Subject: Re: using JCS to make use of LRU only
> To: jcs-users@jakarta.apache.org
> Date: Wednesday, January 13, 2010, 11:36 AM
>
> Hi Aaron,
>
>
> Thanks so much for spending time on this helping me out.
>
> But now this is starting to boggle me. I searched our
> entire project, and
> there is only cache.ccf (and this is the one I had attached
> earlier) in the
> whole project including the jars. I made a fresh deploy and
> am still getting
> the same exception in the server logs. And our JVMs have no
> other apps on it
> except for ours.
>
> Update:
> I even added the line
> "JCS.setConfigFilename("/cache.ccf");" to take the
> specific cache.ccf file. Still no use. :-(
>
>
> Thanks,
> Srinivas
>
>
>
> Aaron Smuts wrote:
> >
> > There must be a different cache.ccf file on the
> classpath. JCS will not
> > instantiate the Indexed Disk Cache unless it's
> configured to do so. Look
> > at the startup log entries. It will give you
> information on the region
> > configuration and possibly the cache file. In
> any case, there's got to be
> > a different config file on the classpath.
> >
> > Aaron
> >
> > --- On Tue, 1/12/10, techie09 <te...@gmail.com>
> wrote:
> >
> >> From: techie09 <te...@gmail.com>
> >> Subject: Re: using JCS to make use of LRU only
> >> To: jcs-users@jakarta.apache.org
> >> Date: Tuesday, January 12, 2010, 11:07 AM
> >>
> >> I tried setting it not to use any kind of
> auxilliary cache.
> >> But when I deploy
> >> the code onto our WAS servers (these have strict
> policies
> >> not to let any
> >> data to be written to disk, not even to the temp
> folder),
> >> it is coming out
> >> with an access error. I am attaching both
> cache.ccf and the
> >> exception
> >> details in two files.
> >>
> >> http://old.nabble.com/file/p27131961/Exception%2BDetails.txt
> >> Exception+Details.txt
> >> http://old.nabble.com/file/p27131961/cache.ccf
> >> cache.ccf
> >>
> >> Please advise as this is on our project critical
> path.
> >>
> >> Thanks,
> >> Kalyan
> >>
> >>
> -----------------------------------------------------------------------------------------
> >>
> >> Aaron Smuts wrote:
> >> >
> >> > There is no such thing as an LUR model.
> >> >
> >> > JCS allows you to use various auxiliaries.
> They
> >> come in a few simple
> >> > types: memory, disk, lateral, and remote.
> If you
> >> don't configure the
> >> > cache to use a disk auxiliary, it won't use
> one.
> >>
> >> >
> >> > Read the documentation. If you can't figure
> it
> >> out, send your cache.ccf
> >> > file to the mailing list.
> >> >
> >> > Aaron
> >> >
> >> > --- On Tue, 1/5/10, techie09 <te...@gmail.com>
> >> wrote:
> >> >
> >> >> From: techie09 <te...@gmail.com>
> >> >> Subject: using JCS to make use of LRU
> only
> >> >> To: jcs-users@jakarta.apache.org
> >> >> Date: Tuesday, January 5, 2010, 4:16 PM
> >> >>
> >> >> My requirement is to use an in-memory
> cache in
> >> absolute
> >> >> terms, i.e.,
> >> >> absolutely no data is to be written to
> disk.
> >> >> But when I use JCS I see that it is
> writing some
> >> data to
> >> >> disk even though I
> >> >> am trying to use LRU as my memory model.
>
> >> >> Is there any way that I get to use JCS
> without
> >> writing any
> >> >> data to disk.
> >> >> --
> >> >> View this message in context:
> >> >>
> >> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
> >> >> Sent from the JCS - Users mailing list
> archive at
> >> >> Nabble.com.
> >> >>
> >> >>
> >> >>
> >>
> ---------------------------------------------------------------------
> >> >> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> >> >> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
> >> >>
> >> >>
> >> >
> >> >
> >>
> ---------------------------------------------------------------------
> >> > To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> >> > For additional commands, e-mail: jcs-users-help@jakarta.apache.org
> >> >
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27131961.html
> >> Sent from the JCS - Users mailing list archive at
> >> Nabble.com.
> >>
> >>
> >>
> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> >> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
> >>
> >>
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jcs-users-help@jakarta.apache.org
> >
> >
> >
>
> --
> View this message in context: http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27150057.html
> Sent from the JCS - Users mailing list archive at
> Nabble.com.
>
>
> ---------------------------------------------------------------------
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>
>
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Re: using JCS to make use of LRU only
Posted by techie09 <te...@gmail.com>.
Hi Aaron,
Thanks so much for spending time on this helping me out.
But now this is starting to boggle me. I searched our entire project, and
there is only cache.ccf (and this is the one I had attached earlier) in the
whole project including the jars. I made a fresh deploy and am still getting
the same exception in the server logs. And our JVMs have no other apps on it
except for ours.
Update:
I even added the line "JCS.setConfigFilename("/cache.ccf");" to take the
specific cache.ccf file. Still no use. :-(
Thanks,
Srinivas
Aaron Smuts wrote:
>
> There must be a different cache.ccf file on the classpath. JCS will not
> instantiate the Indexed Disk Cache unless it's configured to do so. Look
> at the startup log entries. It will give you information on the region
> configuration and possibly the cache file. In any case, there's got to be
> a different config file on the classpath.
>
> Aaron
>
> --- On Tue, 1/12/10, techie09 <te...@gmail.com> wrote:
>
>> From: techie09 <te...@gmail.com>
>> Subject: Re: using JCS to make use of LRU only
>> To: jcs-users@jakarta.apache.org
>> Date: Tuesday, January 12, 2010, 11:07 AM
>>
>> I tried setting it not to use any kind of auxilliary cache.
>> But when I deploy
>> the code onto our WAS servers (these have strict policies
>> not to let any
>> data to be written to disk, not even to the temp folder),
>> it is coming out
>> with an access error. I am attaching both cache.ccf and the
>> exception
>> details in two files.
>>
>> http://old.nabble.com/file/p27131961/Exception%2BDetails.txt
>> Exception+Details.txt
>> http://old.nabble.com/file/p27131961/cache.ccf
>> cache.ccf
>>
>> Please advise as this is on our project critical path.
>>
>> Thanks,
>> Kalyan
>>
>> -----------------------------------------------------------------------------------------
>>
>> Aaron Smuts wrote:
>> >
>> > There is no such thing as an LUR model.
>> >
>> > JCS allows you to use various auxiliaries. They
>> come in a few simple
>> > types: memory, disk, lateral, and remote. If you
>> don't configure the
>> > cache to use a disk auxiliary, it won't use one.
>>
>> >
>> > Read the documentation. If you can't figure it
>> out, send your cache.ccf
>> > file to the mailing list.
>> >
>> > Aaron
>> >
>> > --- On Tue, 1/5/10, techie09 <te...@gmail.com>
>> wrote:
>> >
>> >> From: techie09 <te...@gmail.com>
>> >> Subject: using JCS to make use of LRU only
>> >> To: jcs-users@jakarta.apache.org
>> >> Date: Tuesday, January 5, 2010, 4:16 PM
>> >>
>> >> My requirement is to use an in-memory cache in
>> absolute
>> >> terms, i.e.,
>> >> absolutely no data is to be written to disk.
>> >> But when I use JCS I see that it is writing some
>> data to
>> >> disk even though I
>> >> am trying to use LRU as my memory model.
>> >> Is there any way that I get to use JCS without
>> writing any
>> >> data to disk.
>> >> --
>> >> View this message in context:
>> >>
>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
>> >> Sent from the JCS - Users mailing list archive at
>> >> Nabble.com.
>> >>
>> >>
>> >>
>> ---------------------------------------------------------------------
>> >> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>> >> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>> >>
>> >>
>> >
>> >
>> ---------------------------------------------------------------------
>> > To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>> > For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>> >
>> >
>> >
>>
>> --
>> View this message in context:
>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27131961.html
>> Sent from the JCS - Users mailing list archive at
>> Nabble.com.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>
>>
>
> ---------------------------------------------------------------------
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>
>
>
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Re: using JCS to make use of LRU only
Posted by techie09 <te...@gmail.com>.
Hi Aaron,
GOOD NEWS!
I finally managed to get rid of those exceptions too.
I updated the "cacheattributes" to
"org.apache.jcs.engine.CompositeCacheAttributes" in both default and my code
specific cache, and that took care of it.
Thanks for all your help and time. :-)
Thanks,
Kalyan
techie09 wrote:
>
> Ok Here it is:
> I renamed the cache properties file to a custom file name.
> After quite a lot of deploys, I finally got it to pick it up by placing
> this file at the root of jcs.jar.
> For now, this location should be ok.
>
> But now, though this is working well, I see a different kind of
> error/exception being logged. Though this is not a show stopper, I would
> prefer our project not throw out these too.
>
> I have attached both exception details as well as the updated cache file.
>
> http://old.nabble.com/file/p27156343/pricelist-data-cache.ccf
> pricelist-data-cache.ccf
> http://old.nabble.com/file/p27156343/jcache.log jcache.log
>
> Note:
> I feel that exception caused might be related to the following lines in
> cache properties:
> jcs.default=
> jcs.default.cacheattributes=
>
> I tried commenting out these two lines in both default and specific scope,
> but then it wasn't able to pick up my properties file. So what values
> could I use here, provided I do not want anything related to any kind of
> disk writing or anything other than memory caching.
>
>
> Thanks,
> Kalyan
> ---------------------------------------------------------
>
>
> techie09 wrote:
>>
>> Hi Aaron,
>>
>> I am now trying to re-deploy by changing the name to a non-default name.
>> I shall keep u posted in case I find any difference in logs.
>>
>> Thanks,
>> Kalyan
>>
>>
>>
>> techie09 wrote:
>>>
>>> Hi Aaron,
>>>
>>>
>>> I am using JCS 1.3.
>>>
>>> I am attaching the log and the updated ccf file. After quite a few
>>> tries, it is still going to some default params that I have no clue
>>> where it is picking from.
>>>
>>> http://old.nabble.com/file/p27154408/cache.ccf cache.ccf
>>> http://old.nabble.com/file/p27154408/jcache.log jcache.log
>>>
>>>
>>> Thanks,
>>> Kalyan
>>>
>>>
>>>
>>> Aaron Smuts wrote:
>>>>
>>>> And what version of JCS are you using? You should use the latest in
>>>> the temp build folder.
>>>>
>>>> Aaron
>>>>
>>>> --- On Tue, 1/12/10, techie09 <te...@gmail.com> wrote:
>>>>
>>>>> From: techie09 <te...@gmail.com>
>>>>> Subject: Re: using JCS to make use of LRU only
>>>>> To: jcs-users@jakarta.apache.org
>>>>> Date: Tuesday, January 12, 2010, 11:07 AM
>>>>>
>>>>> I tried setting it not to use any kind of auxilliary cache.
>>>>> But when I deploy
>>>>> the code onto our WAS servers (these have strict policies
>>>>> not to let any
>>>>> data to be written to disk, not even to the temp folder),
>>>>> it is coming out
>>>>> with an access error. I am attaching both cache.ccf and the
>>>>> exception
>>>>> details in two files.
>>>>>
>>>>> http://old.nabble.com/file/p27131961/Exception%2BDetails.txt
>>>>> Exception+Details.txt
>>>>> http://old.nabble.com/file/p27131961/cache.ccf
>>>>> cache.ccf
>>>>>
>>>>> Please advise as this is on our project critical path.
>>>>>
>>>>> Thanks,
>>>>> Kalyan
>>>>>
>>>>> -----------------------------------------------------------------------------------------
>>>>>
>>>>> Aaron Smuts wrote:
>>>>> >
>>>>> > There is no such thing as an LUR model.
>>>>> >
>>>>> > JCS allows you to use various auxiliaries. They
>>>>> come in a few simple
>>>>> > types: memory, disk, lateral, and remote. If you
>>>>> don't configure the
>>>>> > cache to use a disk auxiliary, it won't use one.
>>>>>
>>>>> >
>>>>> > Read the documentation. If you can't figure it
>>>>> out, send your cache.ccf
>>>>> > file to the mailing list.
>>>>> >
>>>>> > Aaron
>>>>> >
>>>>> > --- On Tue, 1/5/10, techie09 <te...@gmail.com>
>>>>> wrote:
>>>>> >
>>>>> >> From: techie09 <te...@gmail.com>
>>>>> >> Subject: using JCS to make use of LRU only
>>>>> >> To: jcs-users@jakarta.apache.org
>>>>> >> Date: Tuesday, January 5, 2010, 4:16 PM
>>>>> >>
>>>>> >> My requirement is to use an in-memory cache in
>>>>> absolute
>>>>> >> terms, i.e.,
>>>>> >> absolutely no data is to be written to disk.
>>>>> >> But when I use JCS I see that it is writing some
>>>>> data to
>>>>> >> disk even though I
>>>>> >> am trying to use LRU as my memory model.
>>>>> >> Is there any way that I get to use JCS without
>>>>> writing any
>>>>> >> data to disk.
>>>>> >> --
>>>>> >> View this message in context:
>>>>> >>
>>>>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
>>>>> >> Sent from the JCS - Users mailing list archive at
>>>>> >> Nabble.com.
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> ---------------------------------------------------------------------
>>>>> >> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>>>> >> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>>>> >>
>>>>> >>
>>>>> >
>>>>> >
>>>>> ---------------------------------------------------------------------
>>>>> > To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>>>> > For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>>>> >
>>>>> >
>>>>> >
>>>>>
>>>>> --
>>>>> View this message in context:
>>>>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27131961.html
>>>>> Sent from the JCS - Users mailing list archive at
>>>>> Nabble.com.
>>>>>
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>>>> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>>>>
>>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>>> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>
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Re: using JCS to make use of LRU only
Posted by techie09 <te...@gmail.com>.
Ok Here it is:
I renamed the cache properties file to a custom file name.
After quite a lot of deploys, I finally got it to pick it up by placing this
file at the root of jcs.jar.
For now, this location should be ok.
But now, though this is working well, I see a different kind of
error/exception being logged. Though this is not a show stopper, I would
prefer our project not throw out these too.
I have attached both exception details as well as the updated cache file.
http://old.nabble.com/file/p27156343/pricelist-data-cache.ccf
pricelist-data-cache.ccf
http://old.nabble.com/file/p27156343/jcache.log jcache.log
Note:
I feel that exception caused might be related to the following lines in
cache properties:
jcs.default=
jcs.default.cacheattributes=
I tried commenting out these two lines in both default and specific scope,
but then it wasn't able to pick up my properties file. So what values could
I use here, provided I do not want anything related to any kind of disk
writing or anything other than memory caching.
Thanks,
Kalyan
---------------------------------------------------------
techie09 wrote:
>
> Hi Aaron,
>
> I am now trying to re-deploy by changing the name to a non-default name. I
> shall keep u posted in case I find any difference in logs.
>
> Thanks,
> Kalyan
>
>
>
> techie09 wrote:
>>
>> Hi Aaron,
>>
>>
>> I am using JCS 1.3.
>>
>> I am attaching the log and the updated ccf file. After quite a few tries,
>> it is still going to some default params that I have no clue where it is
>> picking from.
>>
>> http://old.nabble.com/file/p27154408/cache.ccf cache.ccf
>> http://old.nabble.com/file/p27154408/jcache.log jcache.log
>>
>>
>> Thanks,
>> Kalyan
>>
>>
>>
>> Aaron Smuts wrote:
>>>
>>> And what version of JCS are you using? You should use the latest in the
>>> temp build folder.
>>>
>>> Aaron
>>>
>>> --- On Tue, 1/12/10, techie09 <te...@gmail.com> wrote:
>>>
>>>> From: techie09 <te...@gmail.com>
>>>> Subject: Re: using JCS to make use of LRU only
>>>> To: jcs-users@jakarta.apache.org
>>>> Date: Tuesday, January 12, 2010, 11:07 AM
>>>>
>>>> I tried setting it not to use any kind of auxilliary cache.
>>>> But when I deploy
>>>> the code onto our WAS servers (these have strict policies
>>>> not to let any
>>>> data to be written to disk, not even to the temp folder),
>>>> it is coming out
>>>> with an access error. I am attaching both cache.ccf and the
>>>> exception
>>>> details in two files.
>>>>
>>>> http://old.nabble.com/file/p27131961/Exception%2BDetails.txt
>>>> Exception+Details.txt
>>>> http://old.nabble.com/file/p27131961/cache.ccf
>>>> cache.ccf
>>>>
>>>> Please advise as this is on our project critical path.
>>>>
>>>> Thanks,
>>>> Kalyan
>>>>
>>>> -----------------------------------------------------------------------------------------
>>>>
>>>> Aaron Smuts wrote:
>>>> >
>>>> > There is no such thing as an LUR model.
>>>> >
>>>> > JCS allows you to use various auxiliaries. They
>>>> come in a few simple
>>>> > types: memory, disk, lateral, and remote. If you
>>>> don't configure the
>>>> > cache to use a disk auxiliary, it won't use one.
>>>>
>>>> >
>>>> > Read the documentation. If you can't figure it
>>>> out, send your cache.ccf
>>>> > file to the mailing list.
>>>> >
>>>> > Aaron
>>>> >
>>>> > --- On Tue, 1/5/10, techie09 <te...@gmail.com>
>>>> wrote:
>>>> >
>>>> >> From: techie09 <te...@gmail.com>
>>>> >> Subject: using JCS to make use of LRU only
>>>> >> To: jcs-users@jakarta.apache.org
>>>> >> Date: Tuesday, January 5, 2010, 4:16 PM
>>>> >>
>>>> >> My requirement is to use an in-memory cache in
>>>> absolute
>>>> >> terms, i.e.,
>>>> >> absolutely no data is to be written to disk.
>>>> >> But when I use JCS I see that it is writing some
>>>> data to
>>>> >> disk even though I
>>>> >> am trying to use LRU as my memory model.
>>>> >> Is there any way that I get to use JCS without
>>>> writing any
>>>> >> data to disk.
>>>> >> --
>>>> >> View this message in context:
>>>> >>
>>>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
>>>> >> Sent from the JCS - Users mailing list archive at
>>>> >> Nabble.com.
>>>> >>
>>>> >>
>>>> >>
>>>> ---------------------------------------------------------------------
>>>> >> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>>> >> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>>> >>
>>>> >>
>>>> >
>>>> >
>>>> ---------------------------------------------------------------------
>>>> > To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>>> > For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>>> >
>>>> >
>>>> >
>>>>
>>>> --
>>>> View this message in context:
>>>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27131961.html
>>>> Sent from the JCS - Users mailing list archive at
>>>> Nabble.com.
>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>>> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>>>
>>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>>
>>>
>>>
>>
>>
>
>
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Re: using JCS to make use of LRU only
Posted by techie09 <te...@gmail.com>.
Hi Aaron,
I am now trying to re-deploy by changing the name to a non-default name. I
shall keep u posted in case I find any difference in logs.
Thanks,
Kalyan
techie09 wrote:
>
> Hi Aaron,
>
>
> I am using JCS 1.3.
>
> I am attaching the log and the updated ccf file. After quite a few tries,
> it is still going to some default params that I have no clue where it is
> picking from.
>
> http://old.nabble.com/file/p27154408/cache.ccf cache.ccf
> http://old.nabble.com/file/p27154408/jcache.log jcache.log
>
>
> Thanks,
> Kalyan
>
>
>
> Aaron Smuts wrote:
>>
>> And what version of JCS are you using? You should use the latest in the
>> temp build folder.
>>
>> Aaron
>>
>> --- On Tue, 1/12/10, techie09 <te...@gmail.com> wrote:
>>
>>> From: techie09 <te...@gmail.com>
>>> Subject: Re: using JCS to make use of LRU only
>>> To: jcs-users@jakarta.apache.org
>>> Date: Tuesday, January 12, 2010, 11:07 AM
>>>
>>> I tried setting it not to use any kind of auxilliary cache.
>>> But when I deploy
>>> the code onto our WAS servers (these have strict policies
>>> not to let any
>>> data to be written to disk, not even to the temp folder),
>>> it is coming out
>>> with an access error. I am attaching both cache.ccf and the
>>> exception
>>> details in two files.
>>>
>>> http://old.nabble.com/file/p27131961/Exception%2BDetails.txt
>>> Exception+Details.txt
>>> http://old.nabble.com/file/p27131961/cache.ccf
>>> cache.ccf
>>>
>>> Please advise as this is on our project critical path.
>>>
>>> Thanks,
>>> Kalyan
>>>
>>> -----------------------------------------------------------------------------------------
>>>
>>> Aaron Smuts wrote:
>>> >
>>> > There is no such thing as an LUR model.
>>> >
>>> > JCS allows you to use various auxiliaries. They
>>> come in a few simple
>>> > types: memory, disk, lateral, and remote. If you
>>> don't configure the
>>> > cache to use a disk auxiliary, it won't use one.
>>>
>>> >
>>> > Read the documentation. If you can't figure it
>>> out, send your cache.ccf
>>> > file to the mailing list.
>>> >
>>> > Aaron
>>> >
>>> > --- On Tue, 1/5/10, techie09 <te...@gmail.com>
>>> wrote:
>>> >
>>> >> From: techie09 <te...@gmail.com>
>>> >> Subject: using JCS to make use of LRU only
>>> >> To: jcs-users@jakarta.apache.org
>>> >> Date: Tuesday, January 5, 2010, 4:16 PM
>>> >>
>>> >> My requirement is to use an in-memory cache in
>>> absolute
>>> >> terms, i.e.,
>>> >> absolutely no data is to be written to disk.
>>> >> But when I use JCS I see that it is writing some
>>> data to
>>> >> disk even though I
>>> >> am trying to use LRU as my memory model.
>>> >> Is there any way that I get to use JCS without
>>> writing any
>>> >> data to disk.
>>> >> --
>>> >> View this message in context:
>>> >>
>>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
>>> >> Sent from the JCS - Users mailing list archive at
>>> >> Nabble.com.
>>> >>
>>> >>
>>> >>
>>> ---------------------------------------------------------------------
>>> >> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>> >> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>> >>
>>> >>
>>> >
>>> >
>>> ---------------------------------------------------------------------
>>> > To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>> > For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>> >
>>> >
>>> >
>>>
>>> --
>>> View this message in context:
>>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27131961.html
>>> Sent from the JCS - Users mailing list archive at
>>> Nabble.com.
>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>>> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>>
>>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>
>>
>>
>
>
--
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Re: using JCS to make use of LRU only
Posted by techie09 <te...@gmail.com>.
Hi Aaron,
I am using JCS 1.3.
I am attaching the log and the updated ccf file. After quite a few tries, it
is still going to some default params that I have no clue where it is
picking from.
http://old.nabble.com/file/p27154408/cache.ccf cache.ccf
http://old.nabble.com/file/p27154408/jcache.log jcache.log
Thanks,
Kalyan
Aaron Smuts wrote:
>
> And what version of JCS are you using? You should use the latest in the
> temp build folder.
>
> Aaron
>
> --- On Tue, 1/12/10, techie09 <te...@gmail.com> wrote:
>
>> From: techie09 <te...@gmail.com>
>> Subject: Re: using JCS to make use of LRU only
>> To: jcs-users@jakarta.apache.org
>> Date: Tuesday, January 12, 2010, 11:07 AM
>>
>> I tried setting it not to use any kind of auxilliary cache.
>> But when I deploy
>> the code onto our WAS servers (these have strict policies
>> not to let any
>> data to be written to disk, not even to the temp folder),
>> it is coming out
>> with an access error. I am attaching both cache.ccf and the
>> exception
>> details in two files.
>>
>> http://old.nabble.com/file/p27131961/Exception%2BDetails.txt
>> Exception+Details.txt
>> http://old.nabble.com/file/p27131961/cache.ccf
>> cache.ccf
>>
>> Please advise as this is on our project critical path.
>>
>> Thanks,
>> Kalyan
>>
>> -----------------------------------------------------------------------------------------
>>
>> Aaron Smuts wrote:
>> >
>> > There is no such thing as an LUR model.
>> >
>> > JCS allows you to use various auxiliaries. They
>> come in a few simple
>> > types: memory, disk, lateral, and remote. If you
>> don't configure the
>> > cache to use a disk auxiliary, it won't use one.
>>
>> >
>> > Read the documentation. If you can't figure it
>> out, send your cache.ccf
>> > file to the mailing list.
>> >
>> > Aaron
>> >
>> > --- On Tue, 1/5/10, techie09 <te...@gmail.com>
>> wrote:
>> >
>> >> From: techie09 <te...@gmail.com>
>> >> Subject: using JCS to make use of LRU only
>> >> To: jcs-users@jakarta.apache.org
>> >> Date: Tuesday, January 5, 2010, 4:16 PM
>> >>
>> >> My requirement is to use an in-memory cache in
>> absolute
>> >> terms, i.e.,
>> >> absolutely no data is to be written to disk.
>> >> But when I use JCS I see that it is writing some
>> data to
>> >> disk even though I
>> >> am trying to use LRU as my memory model.
>> >> Is there any way that I get to use JCS without
>> writing any
>> >> data to disk.
>> >> --
>> >> View this message in context:
>> >>
>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
>> >> Sent from the JCS - Users mailing list archive at
>> >> Nabble.com.
>> >>
>> >>
>> >>
>> ---------------------------------------------------------------------
>> >> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>> >> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>> >>
>> >>
>> >
>> >
>> ---------------------------------------------------------------------
>> > To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>> > For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>> >
>> >
>> >
>>
>> --
>> View this message in context:
>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27131961.html
>> Sent from the JCS - Users mailing list archive at
>> Nabble.com.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>
>>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>
>
>
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Re: using JCS to make use of LRU only
Posted by Aaron Smuts <as...@yahoo.com>.
There must be a different cache.ccf file on the classpath. JCS will not instantiate the Indexed Disk Cache unless it's configured to do so. Look at the startup log entries. It will give you information on the region configuration and possibly the cache file. In any case, there's got to be a different config file on the classpath.
Aaron
--- On Tue, 1/12/10, techie09 <te...@gmail.com> wrote:
> From: techie09 <te...@gmail.com>
> Subject: Re: using JCS to make use of LRU only
> To: jcs-users@jakarta.apache.org
> Date: Tuesday, January 12, 2010, 11:07 AM
>
> I tried setting it not to use any kind of auxilliary cache.
> But when I deploy
> the code onto our WAS servers (these have strict policies
> not to let any
> data to be written to disk, not even to the temp folder),
> it is coming out
> with an access error. I am attaching both cache.ccf and the
> exception
> details in two files.
>
> http://old.nabble.com/file/p27131961/Exception%2BDetails.txt
> Exception+Details.txt
> http://old.nabble.com/file/p27131961/cache.ccf
> cache.ccf
>
> Please advise as this is on our project critical path.
>
> Thanks,
> Kalyan
>
> -----------------------------------------------------------------------------------------
>
> Aaron Smuts wrote:
> >
> > There is no such thing as an LUR model.
> >
> > JCS allows you to use various auxiliaries. They
> come in a few simple
> > types: memory, disk, lateral, and remote. If you
> don't configure the
> > cache to use a disk auxiliary, it won't use one.
>
> >
> > Read the documentation. If you can't figure it
> out, send your cache.ccf
> > file to the mailing list.
> >
> > Aaron
> >
> > --- On Tue, 1/5/10, techie09 <te...@gmail.com>
> wrote:
> >
> >> From: techie09 <te...@gmail.com>
> >> Subject: using JCS to make use of LRU only
> >> To: jcs-users@jakarta.apache.org
> >> Date: Tuesday, January 5, 2010, 4:16 PM
> >>
> >> My requirement is to use an in-memory cache in
> absolute
> >> terms, i.e.,
> >> absolutely no data is to be written to disk.
> >> But when I use JCS I see that it is writing some
> data to
> >> disk even though I
> >> am trying to use LRU as my memory model.
> >> Is there any way that I get to use JCS without
> writing any
> >> data to disk.
> >> --
> >> View this message in context:
> >> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
> >> Sent from the JCS - Users mailing list archive at
> >> Nabble.com.
> >>
> >>
> >>
> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> >> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
> >>
> >>
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jcs-users-help@jakarta.apache.org
> >
> >
> >
>
> --
> View this message in context: http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27131961.html
> Sent from the JCS - Users mailing list archive at
> Nabble.com.
>
>
> ---------------------------------------------------------------------
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>
>
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Re: using JCS to make use of LRU only
Posted by Aaron Smuts <as...@yahoo.com>.
And what version of JCS are you using? You should use the latest in the temp build folder.
Aaron
--- On Tue, 1/12/10, techie09 <te...@gmail.com> wrote:
> From: techie09 <te...@gmail.com>
> Subject: Re: using JCS to make use of LRU only
> To: jcs-users@jakarta.apache.org
> Date: Tuesday, January 12, 2010, 11:07 AM
>
> I tried setting it not to use any kind of auxilliary cache.
> But when I deploy
> the code onto our WAS servers (these have strict policies
> not to let any
> data to be written to disk, not even to the temp folder),
> it is coming out
> with an access error. I am attaching both cache.ccf and the
> exception
> details in two files.
>
> http://old.nabble.com/file/p27131961/Exception%2BDetails.txt
> Exception+Details.txt
> http://old.nabble.com/file/p27131961/cache.ccf
> cache.ccf
>
> Please advise as this is on our project critical path.
>
> Thanks,
> Kalyan
>
> -----------------------------------------------------------------------------------------
>
> Aaron Smuts wrote:
> >
> > There is no such thing as an LUR model.
> >
> > JCS allows you to use various auxiliaries. They
> come in a few simple
> > types: memory, disk, lateral, and remote. If you
> don't configure the
> > cache to use a disk auxiliary, it won't use one.
>
> >
> > Read the documentation. If you can't figure it
> out, send your cache.ccf
> > file to the mailing list.
> >
> > Aaron
> >
> > --- On Tue, 1/5/10, techie09 <te...@gmail.com>
> wrote:
> >
> >> From: techie09 <te...@gmail.com>
> >> Subject: using JCS to make use of LRU only
> >> To: jcs-users@jakarta.apache.org
> >> Date: Tuesday, January 5, 2010, 4:16 PM
> >>
> >> My requirement is to use an in-memory cache in
> absolute
> >> terms, i.e.,
> >> absolutely no data is to be written to disk.
> >> But when I use JCS I see that it is writing some
> data to
> >> disk even though I
> >> am trying to use LRU as my memory model.
> >> Is there any way that I get to use JCS without
> writing any
> >> data to disk.
> >> --
> >> View this message in context:
> >> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
> >> Sent from the JCS - Users mailing list archive at
> >> Nabble.com.
> >>
> >>
> >>
> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> >> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
> >>
> >>
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jcs-users-help@jakarta.apache.org
> >
> >
> >
>
> --
> View this message in context: http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27131961.html
> Sent from the JCS - Users mailing list archive at
> Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>
>
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Re: using JCS to make use of LRU only
Posted by techie09 <te...@gmail.com>.
I tried setting it not to use any kind of auxilliary cache. But when I deploy
the code onto our WAS servers (these have strict policies not to let any
data to be written to disk, not even to the temp folder), it is coming out
with an access error. I am attaching both cache.ccf and the exception
details in two files.
http://old.nabble.com/file/p27131961/Exception%2BDetails.txt
Exception+Details.txt
http://old.nabble.com/file/p27131961/cache.ccf cache.ccf
Please advise as this is on our project critical path.
Thanks,
Kalyan
-----------------------------------------------------------------------------------------
Aaron Smuts wrote:
>
> There is no such thing as an LUR model.
>
> JCS allows you to use various auxiliaries. They come in a few simple
> types: memory, disk, lateral, and remote. If you don't configure the
> cache to use a disk auxiliary, it won't use one.
>
> Read the documentation. If you can't figure it out, send your cache.ccf
> file to the mailing list.
>
> Aaron
>
> --- On Tue, 1/5/10, techie09 <te...@gmail.com> wrote:
>
>> From: techie09 <te...@gmail.com>
>> Subject: using JCS to make use of LRU only
>> To: jcs-users@jakarta.apache.org
>> Date: Tuesday, January 5, 2010, 4:16 PM
>>
>> My requirement is to use an in-memory cache in absolute
>> terms, i.e.,
>> absolutely no data is to be written to disk.
>> But when I use JCS I see that it is writing some data to
>> disk even though I
>> am trying to use LRU as my memory model.
>> Is there any way that I get to use JCS without writing any
>> data to disk.
>> --
>> View this message in context:
>> http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
>> Sent from the JCS - Users mailing list archive at
>> Nabble.com.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
>> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>>
>>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jcs-users-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jcs-users-help@jakarta.apache.org
>
>
>
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Re: using JCS to make use of LRU only
Posted by Aaron Smuts <as...@yahoo.com>.
There is no such thing as an LUR model.
JCS allows you to use various auxiliaries. They come in a few simple types: memory, disk, lateral, and remote. If you don't configure the cache to use a disk auxiliary, it won't use one.
Read the documentation. If you can't figure it out, send your cache.ccf file to the mailing list.
Aaron
--- On Tue, 1/5/10, techie09 <te...@gmail.com> wrote:
> From: techie09 <te...@gmail.com>
> Subject: using JCS to make use of LRU only
> To: jcs-users@jakarta.apache.org
> Date: Tuesday, January 5, 2010, 4:16 PM
>
> My requirement is to use an in-memory cache in absolute
> terms, i.e.,
> absolutely no data is to be written to disk.
> But when I use JCS I see that it is writing some data to
> disk even though I
> am trying to use LRU as my memory model.
> Is there any way that I get to use JCS without writing any
> data to disk.
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> View this message in context: http://old.nabble.com/using-JCS-to-make-use-of-LRU-only-tp27026745p27026745.html
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> Nabble.com.
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