Re: Configuring Solr to use RAMDirectory

[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
>>>
>>>
>