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Posted to solr-user@lucene.apache.org by dipti khullar <di...@gmail.com> on 2009/12/31 11:06:41 UTC
Re: Configuring Solr to use RAMDirectory
Hi
Can somebody let me know if its possible to configure RAMDirectory from
solrconfig.xml. Although its clearly mentioned in
https://issues.apache.org/jira/browse/SOLR-465 by Mark that he has worked
upon it, but still I couldn't find any such property in config file in Solr
1.4 latest download.
May be I am overlooking some simple property. Any help would be appreciated.
Thanks
Dipti
On Fri, Nov 20, 2009 at 2:27 PM, Andrey Klochkov <aklochkov@griddynamics.com
> wrote:
> I thought that SOLR-465 just does what is asked, i.e. one can use any
> Directory implementation including RAMDirectory. Thomas, take a look at it.
>
> On Thu, Nov 12, 2009 at 7:55 AM, Otis Gospodnetic <
> otis_gospodnetic@yahoo.com> wrote:
>
> > I think not out of the box, but look at SOLR-243 issue in JIRA.
> >
> > You could also put your index on ram disk (tmpfs), but it would be
> useless
> > for writing to it.
> >
> > Note that when people ask about loading the whole index in memory
> > explicitly, it's often a premature optimization attempt.
> >
> > Otis
> > --
> > Sematext is hiring -- http://sematext.com/about/jobs.html?mls
> > Lucene, Solr, Nutch, Katta, Hadoop, HBase, UIMA, NLP, NER, IR
> >
> >
> >
> > ----- Original Message ----
> > > From: Thomas Nguyen <th...@ign.com>
> > > To: solr-user@lucene.apache.org
> > > Sent: Wed, November 11, 2009 8:46:11 PM
> > > Subject: Configuring Solr to use RAMDirectory
> > >
> > > Is it possible to configure Solr to fully load indexes in memory? I
> > > wasn't able to find any documentation about this on either their site
> or
> > > in the Solr 1.4 Enterprise Search Server book.
> >
> >
>
>
> --
> Andrew Klochkov
> Senior Software Engineer,
> Grid Dynamics
>
Re: Configuring Solr to use RAMDirectory
Posted by Raghuveer Kancherla <ra...@aplopio.com>.
Hi Dipti,
Just out of curiosity, are you trying to use RAMDirectory for improvement in
speed? I tried doing that and did not see any significant improvement. Would
be nice to know what your experiment shows.
- Raghu
On Thu, Dec 31, 2009 at 4:17 PM, Erik Hatcher <er...@gmail.com>wrote:
> It's possible, but requires a custom DirectoryFactory implementation.
> There isn't a built in factory to construct a RAMDirectory. You wire it
> into solrconfig.xml this way:
>
> <directoryFactory name="DirectoryFactory"
> class="[fully.qualified.classname]">
> <!-- Parameters as required by the implementation -->
> </directoryFactory>
>
>
>
> On Dec 31, 2009, at 5:06 AM, dipti khullar wrote:
>
> Hi
>>
>> Can somebody let me know if its possible to configure RAMDirectory from
>> solrconfig.xml. Although its clearly mentioned in
>> https://issues.apache.org/jira/browse/SOLR-465 by Mark that he has worked
>> upon it, but still I couldn't find any such property in config file in
>> Solr
>> 1.4 latest download.
>> May be I am overlooking some simple property. Any help would be
>> appreciated.
>>
>>
>> Thanks
>> Dipti
>>
>> On Fri, Nov 20, 2009 at 2:27 PM, Andrey Klochkov <
>> aklochkov@griddynamics.com
>>
>>> wrote:
>>>
>>
>> I thought that SOLR-465 just does what is asked, i.e. one can use any
>>> Directory implementation including RAMDirectory. Thomas, take a look at
>>> it.
>>>
>>> On Thu, Nov 12, 2009 at 7:55 AM, Otis Gospodnetic <
>>> otis_gospodnetic@yahoo.com> wrote:
>>>
>>> I think not out of the box, but look at SOLR-243 issue in JIRA.
>>>>
>>>> You could also put your index on ram disk (tmpfs), but it would be
>>>>
>>> useless
>>>
>>>> for writing to it.
>>>>
>>>> Note that when people ask about loading the whole index in memory
>>>> explicitly, it's often a premature optimization attempt.
>>>>
>>>> Otis
>>>> --
>>>> Sematext is hiring -- http://sematext.com/about/jobs.html?mls
>>>> Lucene, Solr, Nutch, Katta, Hadoop, HBase, UIMA, NLP, NER, IR
>>>>
>>>>
>>>>
>>>> ----- Original Message ----
>>>>
>>>>> From: Thomas Nguyen <th...@ign.com>
>>>>> To: solr-user@lucene.apache.org
>>>>> Sent: Wed, November 11, 2009 8:46:11 PM
>>>>> Subject: Configuring Solr to use RAMDirectory
>>>>>
>>>>> Is it possible to configure Solr to fully load indexes in memory? I
>>>>> wasn't able to find any documentation about this on either their site
>>>>>
>>>> or
>>>
>>>> in the Solr 1.4 Enterprise Search Server book.
>>>>>
>>>>
>>>>
>>>>
>>>
>>> --
>>> Andrew Klochkov
>>> Senior Software Engineer,
>>> Grid Dynamics
>>>
>>>
>
Re: Configuring Solr to use RAMDirectory
Posted by Erik Hatcher <er...@gmail.com>.
It's possible, but requires a custom DirectoryFactory implementation.
There isn't a built in factory to construct a RAMDirectory. You wire
it into solrconfig.xml this way:
<directoryFactory name="DirectoryFactory"
class="[fully.qualified.classname]">
<!-- Parameters as required by the implementation -->
</directoryFactory>
On Dec 31, 2009, at 5:06 AM, dipti khullar wrote:
> Hi
>
> Can somebody let me know if its possible to configure RAMDirectory
> from
> solrconfig.xml. Although its clearly mentioned in
> https://issues.apache.org/jira/browse/SOLR-465 by Mark that he has
> worked
> upon it, but still I couldn't find any such property in config file
> in Solr
> 1.4 latest download.
> May be I am overlooking some simple property. Any help would be
> appreciated.
>
>
> Thanks
> Dipti
>
> On Fri, Nov 20, 2009 at 2:27 PM, Andrey Klochkov <aklochkov@griddynamics.com
>> wrote:
>
>> I thought that SOLR-465 just does what is asked, i.e. one can use any
>> Directory implementation including RAMDirectory. Thomas, take a
>> look at it.
>>
>> On Thu, Nov 12, 2009 at 7:55 AM, Otis Gospodnetic <
>> otis_gospodnetic@yahoo.com> wrote:
>>
>>> I think not out of the box, but look at SOLR-243 issue in JIRA.
>>>
>>> You could also put your index on ram disk (tmpfs), but it would be
>> useless
>>> for writing to it.
>>>
>>> Note that when people ask about loading the whole index in memory
>>> explicitly, it's often a premature optimization attempt.
>>>
>>> Otis
>>> --
>>> Sematext is hiring -- http://sematext.com/about/jobs.html?mls
>>> Lucene, Solr, Nutch, Katta, Hadoop, HBase, UIMA, NLP, NER, IR
>>>
>>>
>>>
>>> ----- Original Message ----
>>>> From: Thomas Nguyen <th...@ign.com>
>>>> To: solr-user@lucene.apache.org
>>>> Sent: Wed, November 11, 2009 8:46:11 PM
>>>> Subject: Configuring Solr to use RAMDirectory
>>>>
>>>> Is it possible to configure Solr to fully load indexes in
>>>> memory? I
>>>> wasn't able to find any documentation about this on either their
>>>> site
>> or
>>>> in the Solr 1.4 Enterprise Search Server book.
>>>
>>>
>>
>>
>> --
>> Andrew Klochkov
>> Senior Software Engineer,
>> Grid Dynamics
>>
Re: Configuring Solr to use RAMDirectory
Posted by Shalin Shekhar Mangar <sh...@gmail.com>.
On Thu, Dec 31, 2009 at 3:36 PM, dipti khullar <di...@gmail.com>wrote:
> Hi
>
> Can somebody let me know if its possible to configure RAMDirectory from
> solrconfig.xml. Although its clearly mentioned in
> https://issues.apache.org/jira/browse/SOLR-465 by Mark that he has worked
> upon it, but still I couldn't find any such property in config file in Solr
> 1.4 latest download.
> May be I am overlooking some simple property. Any help would be
> appreciated.
>
>
Note that there are things like replication which will not work if you are
using a RAMDirectory.
--
Regards,
Shalin Shekhar Mangar.