lucene/example/solr/conf/solrconfig.xml

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<?xml version="1.0" encoding="UTF-8" ?>
<!--
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<config>
<!-- Set this to 'false' if you want solr to continue working after it has
encountered an severe configuration error. In a production environment,
you may want solr to keep working even if one handler is mis-configured.
You may also set this to false using by setting the system property:
-Dsolr.abortOnConfigurationError=false
-->
<abortOnConfigurationError>${solr.abortOnConfigurationError:true}</abortOnConfigurationError>
<!-- Used to specify an alternate directory to hold all index data
other than the default ./data under the Solr home.
If replication is in use, this should match the replication configuration. -->
<dataDir>${solr.data.dir:./solr/data}</dataDir>
<indexDefaults>
<!-- Values here affect all index writers and act as a default unless overridden. -->
<useCompoundFile>false</useCompoundFile>
<mergeFactor>10</mergeFactor>
<maxBufferedDocs>1000</maxBufferedDocs>
<maxMergeDocs>2147483647</maxMergeDocs>
<maxFieldLength>10000</maxFieldLength>
<writeLockTimeout>1000</writeLockTimeout>
<commitLockTimeout>10000</commitLockTimeout>
<!--
As long as Solr is the only process modifying your index, it is
safe to use Lucene's in process locking mechanism. But you may
specify one of the other Lucene LockFactory implementations in
the event that you have a custom situation.
none = NoLockFactory (typically only used with read only indexes)
single = SingleInstanceLockFactory (suggested)
native = NativeFSLockFactory
simple = SimpleFSLockFactory
('simple' is the default for backwards compatibility with Solr 1.2)
-->
<lockType>single</lockType>
</indexDefaults>
<mainIndex>
<!-- options specific to the main on-disk lucene index -->
<useCompoundFile>false</useCompoundFile>
<mergeFactor>10</mergeFactor>
<maxBufferedDocs>1000</maxBufferedDocs>
<maxMergeDocs>2147483647</maxMergeDocs>
<maxFieldLength>10000</maxFieldLength>
<!-- If true, unlock any held write or commit locks on startup.
This defeats the locking mechanism that allows multiple
processes to safely access a lucene index, and should be
used with care.
This is not needed if lock type is 'none' or 'single'
-->
<unlockOnStartup>false</unlockOnStartup>
</mainIndex>
<!-- the default high-performance update handler -->
<updateHandler class="solr.DirectUpdateHandler2">
<!-- A prefix of "solr." for class names is an alias that
causes solr to search appropriate packages, including
org.apache.solr.(search|update|request|core|analysis)
-->
<!-- Limit the number of deletions Solr will buffer during doc updating.
Setting this lower can help bound memory use during indexing.
-->
<maxPendingDeletes>100000</maxPendingDeletes>
<!-- Perform a <commit/> automatically under certain conditions:
maxDocs - number of updates since last commit is greater than this
maxTime - oldest uncommited update (in ms) is this long ago
<autoCommit>
<maxDocs>10000</maxDocs>
<maxTime>1000</maxTime>
</autoCommit>
-->
<!-- The RunExecutableListener executes an external command.
exe - the name of the executable to run
dir - dir to use as the current working directory. default="."
wait - the calling thread waits until the executable returns. default="true"
args - the arguments to pass to the program. default=nothing
env - environment variables to set. default=nothing
-->
<!-- A postCommit event is fired after every commit or optimize command
<listener event="postCommit" class="solr.RunExecutableListener">
<str name="exe">solr/bin/snapshooter</str>
<str name="dir">.</str>
<bool name="wait">true</bool>
<arr name="args"> <str>arg1</str> <str>arg2</str> </arr>
<arr name="env"> <str>MYVAR=val1</str> </arr>
</listener>
-->
<!-- A postOptimize event is fired only after every optimize command, useful
in conjunction with index distribution to only distribute optimized indicies
<listener event="postOptimize" class="solr.RunExecutableListener">
<str name="exe">snapshooter</str>
<str name="dir">solr/bin</str>
<bool name="wait">true</bool>
</listener>
-->
</updateHandler>
<query>
<!-- Maximum number of clauses in a boolean query... can affect
range or prefix queries that expand to big boolean
queries. An exception is thrown if exceeded. -->
<maxBooleanClauses>1024</maxBooleanClauses>
<!-- Cache used by SolrIndexSearcher for filters (DocSets),
unordered sets of *all* documents that match a query.
When a new searcher is opened, its caches may be prepopulated
or "autowarmed" using data from caches in the old searcher.
autowarmCount is the number of items to prepopulate. For LRUCache,
the autowarmed items will be the most recently accessed items.
Parameters:
class - the SolrCache implementation (currently only LRUCache)
size - the maximum number of entries in the cache
initialSize - the initial capacity (number of entries) of
the cache. (seel java.util.HashMap)
autowarmCount - the number of entries to prepopulate from
and old cache.
-->
<filterCache
class="solr.LRUCache"
size="512"
initialSize="512"
autowarmCount="256"/>
<!-- queryResultCache caches results of searches - ordered lists of
document ids (DocList) based on a query, a sort, and the range
of documents requested. -->
<queryResultCache
class="solr.LRUCache"
size="512"
initialSize="512"
autowarmCount="256"/>
<!-- documentCache caches Lucene Document objects (the stored fields for each document).
Since Lucene internal document ids are transient, this cache will not be autowarmed. -->
<documentCache
class="solr.LRUCache"
size="512"
initialSize="512"
autowarmCount="0"/>
<!-- If true, stored fields that are not requested will be loaded lazily.
This can result in a significant speed improvement if the usual case is to
not load all stored fields, especially if the skipped fields are large compressed
text fields.
-->
<enableLazyFieldLoading>true</enableLazyFieldLoading>
<!-- Example of a generic cache. These caches may be accessed by name
through SolrIndexSearcher.getCache(),cacheLookup(), and cacheInsert().
The purpose is to enable easy caching of user/application level data.
The regenerator argument should be specified as an implementation
of solr.search.CacheRegenerator if autowarming is desired. -->
<!--
<cache name="myUserCache"
class="solr.LRUCache"
size="4096"
initialSize="1024"
autowarmCount="1024"
regenerator="org.mycompany.mypackage.MyRegenerator"
/>
-->
<!-- An optimization that attempts to use a filter to satisfy a search.
If the requested sort does not include score, then the filterCache
will be checked for a filter matching the query. If found, the filter
will be used as the source of document ids, and then the sort will be
applied to that.
<useFilterForSortedQuery>true</useFilterForSortedQuery>
-->
<!-- An optimization for use with the queryResultCache. When a search
is requested, a superset of the requested number of document ids
are collected. For example, if a search for a particular query
requests matching documents 10 through 19, and queryWindowSize is 50,
then documents 0 through 49 will be collected and cached. Any further
requests in that range can be satisfied via the cache. -->
<queryResultWindowSize>50</queryResultWindowSize>
<!-- Maximum number of documents to cache for any entry in the
queryResultCache. -->
<queryResultMaxDocsCached>200</queryResultMaxDocsCached>
<!-- This entry enables an int hash representation for filters (DocSets)
when the number of items in the set is less than maxSize. For smaller
sets, this representation is more memory efficient, more efficient to
iterate over, and faster to take intersections. -->
<HashDocSet maxSize="3000" loadFactor="0.75"/>
<!-- a newSearcher event is fired whenever a new searcher is being prepared
and there is a current searcher handling requests (aka registered). -->
<!-- QuerySenderListener takes an array of NamedList and executes a
local query request for each NamedList in sequence. -->
<!--
<listener event="newSearcher" class="solr.QuerySenderListener">
<arr name="queries">
<lst> <str name="q">solr</str> <str name="start">0</str> <str name="rows">10</str> </lst>
<lst> <str name="q">rocks</str> <str name="start">0</str> <str name="rows">10</str> </lst>
</arr>
</listener>
-->
<!-- a firstSearcher event is fired whenever a new searcher is being
prepared but there is no current registered searcher to handle
requests or to gain autowarming data from. -->
<!--
<listener event="firstSearcher" class="solr.QuerySenderListener">
<arr name="queries">
<lst> <str name="q">fast_warm</str> <str name="start">0</str> <str name="rows">10</str> </lst>
</arr>
</listener>
-->
<!-- If a search request comes in and there is no current registered searcher,
then immediately register the still warming searcher and use it. If
"false" then all requests will block until the first searcher is done
warming. -->
<useColdSearcher>false</useColdSearcher>
<!-- Maximum number of searchers that may be warming in the background
concurrently. An error is returned if this limit is exceeded. Recommend
1-2 for read-only slaves, higher for masters w/o cache warming. -->
<maxWarmingSearchers>4</maxWarmingSearchers>
</query>
<!--
Let the dispatch filter handler /select?qt=XXX
handleSelect=true will use consistent error handling for /select and /update
handleSelect=false will use solr1.1 style error formatting
-->
<requestDispatcher handleSelect="true" >
<!--Make sure your system has some authentication before enabling remote streaming! -->
<requestParsers enableRemoteStreaming="false" multipartUploadLimitInKB="2048" />
</requestDispatcher>
<!-- requestHandler plugins... incoming queries will be dispatched to the
correct handler based on the path or the qt (query type) param.
Names starting with a '/' are accessed with the a path equal to the
registered name. Names without a leading '/' are accessed with:
http://host/app/select?qt=name
If no qt is defined, the requestHandler that declares default="true"
will be used.
-->
<requestHandler name="standard" class="solr.StandardRequestHandler" default="true">
<!-- default values for query parameters -->
<lst name="defaults">
<str name="echoParams">explicit</str>
<!--
<int name="rows">10</int>
<str name="fl">*</str>
<str name="version">2.1</str>
-->
</lst>
</requestHandler>
<!-- DisMaxRequestHandler allows easy searching across multiple fields
for simple user-entered phrases.
see http://wiki.apache.org/solr/DisMaxRequestHandler
-->
<requestHandler name="dismax" class="solr.DisMaxRequestHandler" >
<lst name="defaults">
<str name="echoParams">explicit</str>
<float name="tie">0.01</float>
<str name="qf">
text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0 manu^1.1 cat^1.4
</str>
<str name="pf">
text^0.2 features^1.1 name^1.5 manu^1.4 manu_exact^1.9
</str>
<str name="bf">
ord(popularity)^0.5 recip(rord(price),1,1000,1000)^0.3
</str>
<str name="fl">
id,name,price,score
</str>
<str name="mm">
2&lt;-1 5&lt;-2 6&lt;90%
</str>
<int name="ps">100</int>
<str name="q.alt">*:*</str>
</lst>
</requestHandler>
<!-- Note how you can register the same handler multiple times with
different names (and different init parameters)
-->
<requestHandler name="partitioned" class="solr.DisMaxRequestHandler" >
<lst name="defaults">
<str name="echoParams">explicit</str>
<str name="qf">text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0</str>
<str name="mm">2&lt;-1 5&lt;-2 6&lt;90%</str>
<!-- This is an example of using Date Math to specify a constantly
moving date range in a config...
-->
<str name="bq">incubationdate_dt:[* TO NOW/DAY-1MONTH]^2.2</str>
</lst>
<!-- In addition to defaults, "appends" params can be specified
to identify values which should be appended to the list of
multi-val params from the query (or the existing "defaults").
In this example, the param "fq=instock:true" will be appended to
any query time fq params the user may specify, as a mechanism for
partitioning the index, independent of any user selected filtering
that may also be desired (perhaps as a result of faceted searching).
NOTE: there is *absolutely* nothing a client can do to prevent these
"appends" values from being used, so don't use this mechanism
unless you are sure you always want it.
-->
<lst name="appends">
<str name="fq">inStock:true</str>
</lst>
<!-- "invariants" are a way of letting the Solr maintainer lock down
the options available to Solr clients. Any params values
specified here are used regardless of what values may be specified
in either the query, the "defaults", or the "appends" params.
In this example, the facet.field and facet.query params are fixed,
limiting the facets clients can use. Faceting is not turned on by
default - but if the client does specify facet=true in the request,
these are the only facets they will be able to see counts for;
regardless of what other facet.field or facet.query params they
may specify.
NOTE: there is *absolutely* nothing a client can do to prevent these
"invariants" values from being used, so don't use this mechanism
unless you are sure you always want it.
-->
<lst name="invariants">
<str name="facet.field">cat</str>
<str name="facet.field">manu_exact</str>
<str name="facet.query">price:[* TO 500]</str>
<str name="facet.query">price:[500 TO *]</str>
</lst>
</requestHandler>
<requestHandler name="instock" class="solr.DisMaxRequestHandler" >
<!-- for legacy reasons, DisMaxRequestHandler will assume all init
params are "defaults" if you don't explicitly specify any defaults.
-->
<str name="fq">
inStock:true
</str>
<str name="qf">
text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0 manu^1.1 cat^1.4
</str>
<str name="mm">
2&lt;-1 5&lt;-2 6&lt;90%
</str>
</requestHandler>
<!-- SpellCheckerRequestHandler takes in a word (or several words) as the
value of the "q" parameter and returns a list of alternative spelling
suggestions. If invoked with a ...&cmd=rebuild, it will rebuild the
spellchecker index.
-->
<requestHandler name="spellchecker" class="solr.SpellCheckerRequestHandler" startup="lazy">
<!-- default values for query parameters -->
<lst name="defaults">
<int name="suggestionCount">1</int>
<float name="accuracy">0.5</float>
</lst>
<!-- Main init params for handler -->
<!-- The directory where your SpellChecker Index should live. -->
<!-- May be absolute, or relative to the Solr "dataDir" directory. -->
<!-- If this option is not specified, a RAM directory will be used -->
<str name="spellcheckerIndexDir">spell</str>
<!-- the field in your schema that you want to be able to build -->
<!-- your spell index on. This should be a field that uses a very -->
<!-- simple FieldType without a lot of Analysis (ie: string) -->
<str name="termSourceField">word</str>
</requestHandler>
<requestHandler name="/mlt" class="solr.MoreLikeThisHandler">
<lst name="defaults">
<str name="mlt.fl">manu,cat</str>
<int name="mlt.mindf">1</int>
</lst>
</requestHandler>
<!-- Update request handler.
Note: Since solr1.1 requestHandlers requires a valid content type header if posted in
the body. For example, curl now requires: -H 'Content-type:text/xml; charset=utf-8'
The response format differs from solr1.1 formatting and returns a standard error code.
To enable solr1.1 behavior, remove the /update handler or change its path
"update.processor.class" is the class name for the UpdateRequestProcessor. It is initalized
only once. This can not be changed for each request.
-->
<requestHandler name="/update" class="solr.XmlUpdateRequestHandler" >
<!--
<str name="update.processor.class">org.apache.solr.handler.UpdateRequestProcessor</str>
-->
</requestHandler>
<!-- this will be removed before solr 1.3 -->
<requestHandler name="/update/xpp" class="solr.XppUpdateRequestHandler" />
<!-- CSV update handler, loaded on demand -->
<requestHandler name="/update/csv" class="solr.CSVRequestHandler" startup="lazy" />
<!-- Admin Handlers. TODO? There could be a single handler that loads them all... -->
<requestHandler name="/admin/luke" class="org.apache.solr.handler.admin.LukeRequestHandler" />
<requestHandler name="/admin/system" class="org.apache.solr.handler.admin.SystemInfoHandler" />
<requestHandler name="/admin/plugins" class="org.apache.solr.handler.admin.PluginInfoHandler" />
<requestHandler name="/admin/threads" class="org.apache.solr.handler.admin.ThreadDumpHandler" />
<requestHandler name="/admin/properties" class="org.apache.solr.handler.admin.PropertiesRequestHandler" />
<!-- Echo the request contents back to the client -->
<requestHandler name="/debug/dump" class="solr.DumpRequestHandler" >
<lst name="defaults">
<str name="echoParams">explicit</str> <!-- for all params (including the default etc) use: 'all' -->
<str name="echoHandler">true</str>
</lst>
</requestHandler>
<highlighting>
<!-- Configure the standard fragmenter -->
<!-- This could most likely be commented out in the "default" case -->
<fragmenter name="gap" class="org.apache.solr.highlight.GapFragmenter" default="true">
<lst name="defaults">
<int name="hl.fragsize">100</int>
</lst>
</fragmenter>
<!-- A regular-expression-based fragmenter (f.i., for sentence extraction) -->
<fragmenter name="regex" class="org.apache.solr.highlight.RegexFragmenter">
<lst name="defaults">
<!-- slightly smaller fragsizes work better because of slop -->
<int name="hl.fragsize">70</int>
<!-- allow 50% slop on fragment sizes -->
<float name="hl.regex.slop">0.5</float>
<!-- a basic sentence pattern -->
<str name="hl.regex.pattern">[-\w ,/\n\"']{20,200}</str>
</lst>
</fragmenter>
<!-- Configure the standard formatter -->
<formatter name="html" class="org.apache.solr.highlight.HtmlFormatter" default="true">
<lst name="defaults">
<str name="hl.simple.pre"><![CDATA[<em>]]></str>
<str name="hl.simple.post"><![CDATA[</em>]]></str>
</lst>
</formatter>
</highlighting>
<!-- queryResponseWriter plugins... query responses will be written using the
writer specified by the 'wt' request parameter matching the name of a registered
writer.
The "default" writer is the default and will be used if 'wt' is not specified
in the request. XMLResponseWriter will be used if nothing is specified here.
The json, python, and ruby writers are also available by default.
<queryResponseWriter name="xml" class="org.apache.solr.request.XMLResponseWriter" default="true"/>
<queryResponseWriter name="json" class="org.apache.solr.request.JSONResponseWriter"/>
<queryResponseWriter name="python" class="org.apache.solr.request.PythonResponseWriter"/>
<queryResponseWriter name="ruby" class="org.apache.solr.request.RubyResponseWriter"/>
<queryResponseWriter name="php" class="org.apache.solr.request.PHPResponseWriter"/>
<queryResponseWriter name="phps" class="org.apache.solr.request.PHPSerializedResponseWriter"/>
<queryResponseWriter name="custom" class="com.example.MyResponseWriter"/>
-->
<!-- XSLT response writer transforms the XML output by any xslt file found
in Solr's conf/xslt directory. Changes to xslt files are checked for
every xsltCacheLifetimeSeconds.
-->
<queryResponseWriter name="xslt" class="org.apache.solr.request.XSLTResponseWriter">
<int name="xsltCacheLifetimeSeconds">5</int>
</queryResponseWriter>
<!-- config for the admin interface -->
<admin>
<defaultQuery>solr</defaultQuery>
<gettableFiles>solrconfig.xml schema.xml admin-extra.html</gettableFiles>
<!-- pingQuery should be "URLish" ...
&amp; separated key=val pairs ... but there shouldn't be any
URL escaping of the values -->
<pingQuery>
qt=standard&amp;q=solrpingquery
</pingQuery>
<!-- configure a healthcheck file for servers behind a loadbalancer
<healthcheck type="file">server-enabled</healthcheck>
-->
</admin>
</config>