The solrcore.properties configuration file is the property configuration file for a Solr core. There’s one solrcore.properties file in each core’s configuration directory. Use this information to understand the properties of this file, their description, and the default value.
| Property | Description |
|---|---|
| alfresco.aclBatchSize | This property is used for batch fetching updates during tracking, for example 10. |
| alfresco.acl.tracker.maxParallelism | Defines the number of threads that are used when indexing documents using the ACL Tracker, for example 32. |
| alfresco.baseUrl | This property configures the base URL to Alfresco Content Services web project, for example /alfresco. |
| alfresco.batch.count | This property indicates the number of updates that should be made to this core before a commit is executed, for example 1000. |
| alfresco.cascade.tracker.maxParallelism | Defines the number of threads that are used when indexing documents using the Cascade Tracker, for example 32. |
| alfresco.cascade.tracker.nodeBatchSize | This property is used for batch fetching cascade updates during indexing, for example 100. |
| alfresco.changeSetAclsBatchSize | This property is used for batch fetching updates during tracking, for example 100. |
| alfresco.contentUpdateBatchSize | This property is used for batch fetching content during indexing, for example 100. |
| alfresco.content.tracker.maxParallelism | Defines the number of threads that are used when indexing documents using the Content Tracker, for example 32. |
| alfresco.corePoolSize | This property specifies the pool size for multi-threaded tracking. It is used for indexing nodes, for example 3. |
| alfresco.cron | This property specifies the cron expression that instructs Solr how often to track Alfresco Content Services and index new or updated content. The default value indicates that Solr tracks every 15 seconds i.e. 0/15 * * * * ? *. |
| alfresco.doPermissionChecks | This property allows users to see the document name or properties on a search result, for example true. |
| alfresco.encryption.ssl.keystore.location | This property specifies the CLIENT keystore location reference. If the keystore is file-based, the location can reference any path in the file system of the node where the keystore is located, for example ssl.repo.client.keystore. |
| alfresco.encryption.ssl.keystore. passwordFileLocation | This property specifies the location of the file containing the password that is used to access the CLIENT keystore, also the default that is used to store keys within the keystore, for example ssl-keystore-passwords.properties. |
| alfresco.encryption.ssl.keystore.provider | This property specifies the Java provider that implements the type attribute (for example, JCEKS type). The provider can be left unspecified and the first provider that implements the keystore type specified is used. |
| alfresco.encryption.ssl.keystore.type | This property specifies the CLIENT keystore type, for example JCEKS. |
| alfresco.encryption.ssl.truststore.location | This property specifies the CLIENT truststore location reference. If the truststore is file-based, the location can reference any path in the file system of the node where the truststore is located, for example ssl.repo.client.truststore. |
| alfresco.encryption.ssl.truststore. passwordFileLocation | This property specifies the location of the file containing the password that is used to access the CLIENT truststore, also the default that is used to store keys within the truststore, for example ssl-truststore-passwords.properties. |
| alfresco.encryption.ssl.truststore.provider | This property specifies the Java provider that implements the type attribute (for example, JCEKS type). The provider can be left unspecified and the first provider that implements the truststore type specified is used. |
| alfresco.encryption.ssl.truststore.type | This property specifies the CLIENT truststore type, for example JCEKS. |
| alfresco.hole.retention | Each track will revisit all transactions from the timestamp of the last in the index, less this value, to fill in any transactions that might have been missed, for example 3600000. |
| alfresco.host | This property specifies the host name for the instance that Solr should track and index, for example localhost. |
| alfresco.index.transformContent | If this property is set to false, the index tracker will not transform any content and only the metadata will be indexed, for example false. The default value is true. |
| alfresco.keepAliveTime | This property specifies the time (in seconds) to keep non-core idle threads in the pool, for example 120. |
| alfresco.lag | When Solr tracking starts, it aims to get up to date to the current time (in seconds), less this lag, for example 1000. |
| alfresco.maxHostConnections | This property is used for HTTP client configuration, for example 40. |
| alfresco.maximumPoolSize | This property specifies the maximum pool size for multi-threaded tracking, for example -1. |
| alfresco.maxTotalConnections | This property is used for HTTP client configuration, for example 40. |
| alfresco.metadata.tracker.maxParallelism | Defines the number of threads used when indexing documents using the Metadata Tracker, for example 32. |
| alfresco.metadata.getPathsInNodeBatches | This property specifies whether to get the paths information for node batches or single nodes. When this property is set to false, memory requirements are lower, but indexing performance is slower. |
| alfresco.nodeBatchSize | This property is used for batch fetching during metadata tracking, for example 100 |
| alfresco.port | This property specifies the HTTP port for the instance that Solr should track and index, for example 8080. |
| alfresco.port.ssl | This property specifies the HTTPS port for the instance that Solr should track and index, for example 8443. |
| alfresco.secureComms | This property enables Shared Secret authentication or mTLS authentication with HTTPS. Set to secret if a Shared Secret HTTP header should be used for authentication, for example https. |
| alfresco.socketTimeout | This property specifies the amount of time Solr tracker will take to notice if the Alfresco Content Services web app shuts down first, if Alfresco Content Services and Solr are running on the same web application, for example 60000. |
| alfresco.stores | This property specifies the repository store that this core should index, for example workspace://SpacesStore. |
| alfresco.threadDaemon | This property sets whether the threads run as daemon threads or not. If set to false, shut down is blocked else it is left unblocked, for example true. |
| alfresco.threadPriority | This property specifies the priority that all threads must have on the scale of 1 to 10, where 1 has the lowest priority and 10 has the highest priority, for example 5. |
| alfresco.topTermSpanRewriteLimit | Term expansion is used to convert wildcard * matches into a finite disjunction - e.g. “cat*” -> “cat OR category OR catalogue OR … caterpillar”. This property controls the number of terms in this disjunction, which are chosen from the index with preference given to more popular terms. If you increase the value too much you may not have good performance and if you decrease the value too much you may not receive any results. How you are affected by variations in the limit will depend on your installation, for example 1000. |
| alfresco.transactionDocsBatchSize | This property is used for batch fetching updates during tracking, for example 100. |
| alfresco.version | This property specifies the Alfresco Content Services version installed, for example 6.2. |
| alfresco.workQueueSize | This property specifies the maximum number of queued work instances to keep before blocking against further adds, for example -1. |
| data.dir.root | This property specifies the top level directory path for the indexes managed by Solr, for example /alfresco-search-services/solrhome |
| data.dir.store | This property specifies the directory relative to data.dir.root where the data for this core is stored, for example workspace/SpacesStore |
| enable.alfresco.tracking | This property instructs Solr if it should index Alfresco Content Services content in the associated repository store or not, for example true. |
| max.field.length | This property specifies the maximum number of tokens to include for each field. By default, all tokens are added, for example 2147483647. |
| maxScheduledTransactions | This optional parameter controls the maximum transactions to schedule for reindexing in the admin fix tool. If the admin fix action specifies a value for maxScheduledTransactions then the request parameter that is used in the solrcore.properties configuration file is ignored. |
| solr.authorityCache.autowarmCount | This property configures the Solr result cache, for example 0. |
| solr.authorityCache.initialSize | This property configures the caches used in authority filter generation, for example 64. |
| solr.authorityCache.size | This property configures the caches used in authority filter generation, for example 64. |
| solr.deniedCache.autowarmCount | This property configures the Solr result cache, for example 0. |
| solr.deniedCache.initialSize | This property configures the Solr result cache, for example 1024. |
| solr.deniedCache.size | This property configures the Solr result cache, for example 4096. |
| solr.documentCache.autowarmCount | This property configures the number of document objects to pre-populate from the old cache, for example 0. |
| solr.documentCache.initialSize | This property configures the Solr document cache, for example 64. |
| solr.documentCache.size | This property configures the Solr document cache, for example 64. |
| solr.enabledIndexingCustomContent | This property configures the indexing of custom content fields (d:content), making them searchable. If set to false, only the cm:content fields are indexed. |
| solr.filterCache.autowarmCount | This property configures the number of entries to pre-populate from the old cache, for example 128. |
| solr.filterCache.initialSize | This property specifies the initial capacity (number of entries) of the Solr filter cache. You may want to increase the value if you have many users, groups, and tenants, for example 64. |
| solr.filterCache.size | This property specifies the maximum number of entries in the Solr filter cache. You may want to increase the value if you have many users, groups, and tenants, for example 64. |
| solr.initial.transaction.range | When checking the consistency of the repository and index, the first transaction is compared in both the repository and index repositories. In order to receive that initial transaction from the database a range of between 0-2000 for transaction id should be used. This parameter can be used when the initial transaction id is greater than 2000, for example 0-2000. |
| solr.maxBooleanClauses | This property specifies the number of Boolean clauses in a query. It can affect range or wildcard queries that expand to big Boolean queries, for example 10000. |
| solr.nodeBatchSize | This property configures the batch fetch, for example 10. |
| solr.ownerCache.autowarmCount | This property configures the Solr result cache, for example 0. |
| solr.ownerCache.initialSize | This property configures the Solr result cache, for example 1024. |
| solr.ownerCache.size | This property configures the Solr result cache, for example 4096. |
| solr.pathCache.autowarmCount | This property configures the Solr result cache, for example 128. |
| solr.pathCache.initialSize | This property configures the cache used for PATH query parts, for example 64. |
| solr.pathCache.size | This property configures the cache used for PATH query parts, for example 64. |
| solr.queryResultCache.autowarmCount | This property configures the number of search results to pre-populate from the old cache, for example 0. |
| solr.queryResultCache.initialSize | Increase the value of this property to cache more query results, for example 1024. |
| solr.queryResultCache.size | This property configures the number of query results. Increase the value to cache more query results, for example 1024. |
| solr.queryResultMaxDocsCached | Set this property to a higher value if you expect to page through most results, for example 2000. |
| solr.queryResultWindowSize | This property rounds-up a request number to the nearest multiple of the setting, thereby storing a range or window of documents to be quickly available, for example 200. |
| solr.readerCache.autowarmCount | This property configures the Solr result cache, for example 0. |
| solr.readerCache.initialSize | This property configures the Solr result cache, for example 1024. |
| solr.readerCache.size | This property configures the Solr result cache, for example 4096. |
| solr.request.content.compress | This property when set to true will compress the content that is sent back from the repository during system communication, for example false. |
| solr.backup.dir | This property specifies the directory for backup files. If the path is not absolute then the backup path will be relative to Solr’s instance directory. |