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Diffstat (limited to 'doc/solr-config-7.7.0.xml')
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diff --git a/doc/solr-config-7.7.0.xml b/doc/solr-config-7.7.0.xml new file mode 100644 index 0000000..3661874 --- /dev/null +++ b/doc/solr-config-7.7.0.xml @@ -0,0 +1,289 @@ +<?xml version="1.0" encoding="UTF-8" ?> + +<!-- This is the default config with stuff non-essential to Dovecot removed. --> + +<config> + <!-- Controls what version of Lucene various components of Solr + adhere to. Generally, you want to use the latest version to + get all bug fixes and improvements. It is highly recommended + that you fully re-index after changing this setting as it can + affect both how text is indexed and queried. + --> + <luceneMatchVersion>7.7.0</luceneMatchVersion> + + <!-- A 'dir' option by itself adds any files found in the directory + to the classpath, this is useful for including all jars in a + directory. + + When a 'regex' is specified in addition to a 'dir', only the + files in that directory which completely match the regex + (anchored on both ends) will be included. + + If a 'dir' option (with or without a regex) is used and nothing + is found that matches, a warning will be logged. + + The examples below can be used to load some solr-contribs along + with their external dependencies. + --> + <lib dir="${solr.install.dir:../../../..}/contrib/extraction/lib" regex=".*\.jar" /> + <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-cell-\d.*\.jar" /> + + <lib dir="${solr.install.dir:../../../..}/contrib/clustering/lib/" regex=".*\.jar" /> + <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-clustering-\d.*\.jar" /> + + <lib dir="${solr.install.dir:../../../..}/contrib/langid/lib/" regex=".*\.jar" /> + <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-langid-\d.*\.jar" /> + + <lib dir="${solr.install.dir:../../../..}/contrib/velocity/lib" regex=".*\.jar" /> + <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-velocity-\d.*\.jar" /> + + <!-- Data Directory + + 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>${solr.data.dir:}</dataDir> + + <!-- The default high-performance update handler --> + <updateHandler class="solr.DirectUpdateHandler2"> + + <!-- Enables a transaction log, used for real-time get, durability, and + and solr cloud replica recovery. The log can grow as big as + uncommitted changes to the index, so use of a hard autoCommit + is recommended (see below). + "dir" - the target directory for transaction logs, defaults to the + solr data directory. + "numVersionBuckets" - sets the number of buckets used to keep + track of max version values when checking for re-ordered + updates; increase this value to reduce the cost of + synchronizing access to version buckets during high-volume + indexing, this requires 8 bytes (long) * numVersionBuckets + of heap space per Solr core. + --> + <updateLog> + <str name="dir">${solr.ulog.dir:}</str> + <int name="numVersionBuckets">${solr.ulog.numVersionBuckets:65536}</int> + </updateLog> + + <!-- AutoCommit + + Perform a hard commit automatically under certain conditions. + Instead of enabling autoCommit, consider using "commitWithin" + when adding documents. + + http://wiki.apache.org/solr/UpdateXmlMessages + + maxDocs - Maximum number of documents to add since the last + commit before automatically triggering a new commit. + + maxTime - Maximum amount of time in ms that is allowed to pass + since a document was added before automatically + triggering a new commit. + openSearcher - if false, the commit causes recent index changes + to be flushed to stable storage, but does not cause a new + searcher to be opened to make those changes visible. + + If the updateLog is enabled, then it's highly recommended to + have some sort of hard autoCommit to limit the log size. + --> + <autoCommit> + <maxTime>${solr.autoCommit.maxTime:15000}</maxTime> + <openSearcher>false</openSearcher> + </autoCommit> + + <!-- softAutoCommit is like autoCommit except it causes a + 'soft' commit which only ensures that changes are visible + but does not ensure that data is synced to disk. This is + faster and more near-realtime friendly than a hard commit. + --> + <autoSoftCommit> + <maxTime>${solr.autoSoftCommit.maxTime:-1}</maxTime> + </autoSoftCommit> + + <!-- Update Related Event Listeners + + Various IndexWriter related events can trigger Listeners to + take actions. + + postCommit - fired after every commit or optimize command + postOptimize - fired after every optimize command + --> + + </updateHandler> + + <!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + Query section - these settings control query time things like caches + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --> + <query> + <!-- Solr Internal Query Caches + + There are two implementations of cache available for Solr, + LRUCache, based on a synchronized LinkedHashMap, and + FastLRUCache, based on a ConcurrentHashMap. + + FastLRUCache has faster gets and slower puts in single + threaded operation and thus is generally faster than LRUCache + when the hit ratio of the cache is high (> 75%), and may be + faster under other scenarios on multi-cpu systems. + --> + + <!-- Filter Cache + + 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 LRUCache or + (LRUCache or FastLRUCache) + size - the maximum number of entries in the cache + initialSize - the initial capacity (number of entries) of + the cache. (see java.util.HashMap) + autowarmCount - the number of entries to prepopulate from + and old cache. + maxRamMB - the maximum amount of RAM (in MB) that this cache is allowed + to occupy. Note that when this option is specified, the size + and initialSize parameters are ignored. + --> + <filterCache class="solr.FastLRUCache" + size="512" + initialSize="512" + autowarmCount="0"/> + + <!-- Query Result Cache + + Caches results of searches - ordered lists of document ids + (DocList) based on a query, a sort, and the range of documents requested. + Additional supported parameter by LRUCache: + maxRamMB - the maximum amount of RAM (in MB) that this cache is allowed + to occupy + --> + <queryResultCache class="solr.LRUCache" + size="512" + initialSize="512" + autowarmCount="0"/> + + <!-- Document Cache + + 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"/> + + <!-- custom cache currently used by block join --> + <cache name="perSegFilter" + class="solr.search.LRUCache" + size="10" + initialSize="0" + autowarmCount="10" + regenerator="solr.NoOpRegenerator" /> + + <!-- Lazy Field Loading + + 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> + + <!-- Result Window Size + + 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>20</queryResultWindowSize> + + <!-- Maximum number of documents to cache for any entry in the + queryResultCache. + --> + <queryResultMaxDocsCached>200</queryResultMaxDocsCached> + + <!-- Use Cold Searcher + + 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> + + </query> + + + <!-- Request Dispatcher + + This section contains instructions for how the SolrDispatchFilter + should behave when processing requests for this SolrCore. + + --> + <requestDispatcher> + <httpCaching never304="true" /> + </requestDispatcher> + + <!-- Request Handlers + + http://wiki.apache.org/solr/SolrRequestHandler + + Incoming queries will be dispatched to a specific handler by name + based on the path specified in the request. + + If a Request Handler is declared with startup="lazy", then it will + not be initialized until the first request that uses it. + + --> + <!-- SearchHandler + + http://wiki.apache.org/solr/SearchHandler + + For processing Search Queries, the primary Request Handler + provided with Solr is "SearchHandler" It delegates to a sequent + of SearchComponents (see below) and supports distributed + queries across multiple shards + --> + <requestHandler name="/select" class="solr.SearchHandler"> + <!-- default values for query parameters can be specified, these + will be overridden by parameters in the request + --> + <lst name="defaults"> + <str name="echoParams">explicit</str> + <int name="rows">10</int> + </lst> + </requestHandler> + + <initParams path="/update/**,/select"> + <lst name="defaults"> + <str name="df">_text_</str> + </lst> + </initParams> + + <!-- Response Writers + + http://wiki.apache.org/solr/QueryResponseWriter + + Request 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. + --> + <queryResponseWriter name="xml" + default="true" + class="solr.XMLResponseWriter" /> +</config> |