Configuration options

All the configuration options detailed below are defined in the section of your config file as separate values. When running RavenDB as a website (through IIS, or in Embedded mode), the config file is web.config; otherwise it is the Raven.Server.exe.config file.

Changes to the config file or additions / removal from the Plugins directory will not be picked up automatically by the RavenDB service. For your changes to be recognized you will need to restart the service. You can do so calling: Raven.Server.exe /restart.

If you are running in Embedded mode, or RavenDB is running as an IIS application, touching the web.config file will cause IIS to automatically restart RavenDB.

Sample configurations file

This is the standard app.config XML file. The appSettings section is where the global configuration options go, also for web applications which have a web.config file instead.

<?xml version="1.0" encoding="utf-8" ?> 
    <add key="Raven/Port" value="*"/> 
    <add key="Raven/DataDir" value="~\Data"/> 
    <add key="Raven/AnonymousAccess" value="Get" /> 
                <loadFromRemoteSources enabled="true"/> 
                <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> 
                        <probing privatePath="Analyzers"/> 

Configuration options

Core settings

  • Raven/MaxPageSize
    The maximum page size that can be specified on this server.
    Default: 1024
    Minimum: 10

  • Raven/MemoryCacheExpiration
    The expiration value for documents in the internal document cache. Value is in seconds.
    Default: 5 minutes

  • Raven/MemoryCacheLimitMegabytes The max size in MB for the internal document cache inside RavenDB server.
    Default: 50% of the total system memory minus the size of the Esent cache.

  • Raven/MemoryCacheLimitPercentage The percentage of memory that the internal document cache inside RavenDB server will use.
    Default: 0 (auto)

  • Raven/MemoryCacheLimitCheckInterval The internal for checking that the internal document cache inside RavenDB server will be cleaned.
    Format: HH:MM:SS
    Default: depends on system polling interval

  • Raven/MaxSecondsForTaskToWaitForDatabaseToLoad
    If the database is being loaded for the first time, this value indicates how many seconds will task wait for load completion before throwing exception.
    Default: 5

  • Raven/MinThreadPoolWorkerThreads
    Indicates minimum worker threads amount value for the .net thread pool. Might be usefull when one wants to help the system to deal with violent bursts of work. Default: ThreadPool current value Minimum: 2

  • Raven/MinThreadPoolCompletionThreads
    Indicates minimum completion threads amount value for the .net thread pool. Might be usefull when one wants to help the system to deal with violent bursts of work. Default: ThreadPool current value
    Minimum: 2

Index settings

  • Raven/IndexStoragePath
    The path for the indexes on disk. Useful if you want to store the indexes on another HDD for performance reasons.
    Default: ~/Data/Indexes

  • Raven/MaxIndexWritesBeforeRecreate
    The number of writes before index writer will be recreated (to save memory).
    Default: 256 * 1024

  • Raven/MaxNumberOfParallelIndexTasks
    The number of indexing tasks that can be run in parallel. There is usually one or two indexing tasks for each index.
    Default: the number of processors in the current machine

  • Raven/MaxNumberOfItemsToIndexInSingleBatch
    The max number of items that will be indexed in a single batch. Larger batch size result in faster indexing, but higher memory usage.
    Default: 128 * 1024 for 64-bit and 16 * 1024 for 32-bit
    Minimum: 128

  • Raven/MaxNumberOfItemsToReduceInSingleBatch
    The max number of items that will be indexed in a single batch. Larger batch size result in faster indexing, but higher memory usage.
    Default: 1/2 * Raven/MaxNumberOfItemsToIndexInSingleBatch Minimum: 128

  • Raven/MaxNumberOfItemsToPreFetchForIndexing
    The max number of items that will be prefetched for indexing. Larger batch size result in faster indexing, but higher memory usage.
    Default: 128 * 1024 for 64-bit and 16 * 1024 for 32-bit
    Minimum: 128

  • Raven/InitialNumberOfItemsToIndexInSingleBatch The number of items that will be indexed in a single batch. Larger batch size result in faster indexing, but higher memory usage.
    Default: 512 for 64-bit and 256 for 32-bit

  • Raven/AvailableMemoryForRaisingIndexBatchSizeLimit The minimum amount of memory available for us to double the size of InitialNumberOfItemsToIndexInSingleBatch if we need to.
    Default: 50% of total system memory
    Minimum: 768

  • Raven/ResetIndexOnUncleanShutdown When the database is shut down rudely, determine whatever to reset the index or to check it. Note that checking the index may take some time on large databases.
    Default: false

  • Raven/MaxIndexingRunLatency What is the suggested max latency for a single indexing run that allows the database to increase the indexing batch size.
    Default: 5 minutes

  • Raven/TimeToWaitBeforeRunningIdleIndexes Time that server is waiting before running idle indices.
    Default: 10 minutes

  • Raven/TimeToWaitBeforeMarkingAutoIndexAsIdle Time that server will wait before marking auto index as idle.
    Default: 1 hour

  • Raven/TimeToWaitBeforeRunningAbandonedIndexes Time that server will wait before running abandoned indices.
    Default: 3 hours

  • Raven/TimeToWaitBeforeMarkingIdleIndexAsAbandoned Time that server will wait before marking idle indices as abandoned.
    Default: 72 hours

  • Raven/TaskScheduler The TaskScheduler type to use for executing indexing.

  • Raven/NewIndexInMemoryMaxMB
    The max size in MB of a new index held in memory. When the index exceeds that value, it will be using a disk rather than memory for indexing.
    Default: 64 MB
    Minimum: 1 MB

  • Raven/CreateAutoIndexesForAdHocQueriesIfNeeded
    Whatever we allow creation of auto indexes on dynamic queries.
    Default: true

  • Raven/SkipCreatingStudioIndexes
    Control whatever the Studio default indexes will be created or not. These default indexes are only used by the UI, and are not required for RavenDB to operate.
    Default: false

  • Raven/LimitIndexesCapabilities
    Control whatever RavenDB limits what the indexes can do (to avoid potentially destabilizing operations).
    Default: false

  • Raven/CompiledIndexCacheDirectory
    Path to a directory used by index compilator.
    Default: ~\Raven\CompiledIndexCache

  • Raven/NumberOfItemsToExecuteReduceInSingleStep
    The number that controls if single step reduce optimization is performed. If the count of mapped results is less than this value then the reduce is executed in a single step.
    Default: 1024

  • Raven/DisableDocumentPreFetchingForIndexing
    Disables the document prefetcher. Default: false

  • Raven/MaxIndexCommitPointStoreTimeInterval
    Maximum time interval for storing commit points for map indexes when new items were added. The commit points are used to restore index if unclean shutdown was detected.
    Default: 5 minutes

  • Raven/MaxNumberOfStoredCommitPoints
    Maximum number of kept commit points to restore map index after unclean shutdown.
    Default: 5

  • Raven/MinIndexingTimeIntervalToStoreCommitPoint
    Minimum interval between between successive indexing that will allow to store a commit point.
    Default: 1 minute

  • Raven/DisableInMemoryIndexing
    Prevent all new created indexes from being kept in memory. In order to set this option per index you need to specify it in its IdexDefinition.
    Default: false

  • Raven/MemoryLimitForIndexing
    Maximum number of megabytes that can be used by database to control the maximum size of the processing batches. Default: 1024 or 75% percent of available memory.
    Default: 1024 or 75% percent of available memory if 1GB is not available

Data settings:

  • Raven/RunInMemory
    Whatever the database should run purely in memory. When running in memory, nothing is written to disk and if the server is restarted all data will be lost. This is mostly useful for testing.
    Default: false

  • Raven/DataDir
    The path for the database directory. Can use ~\ as the root, in which case the path will start from the server base directory.
    Default: ~\Data

  • Raven/StorageTypeName
    What storage type to use (see: RavenDB Storage engines)
    Allowed values: esent, munin
    Default: esent

  • Raven/TransactionMode
    What transaction mode to use. Safe transaction mode ensures data consistency, but is slower. Lazy is faster, but may result in a data loss if the server crashes.
    Allowed values: Lazy, Safe
    Default: Safe

Http settings

  • Raven/HostName
    The hostname to bind the embedded http server to, if we want to bind to a specific hostname, rather than all.
    Default: none, binds to all host names

  • Raven/Port The port to use when creating the http listener. Allowed: 1 - 65,536 or * (find first available port from 8080 and upward)
    Default: 8080

  • Raven/VirtualDirectory
    The virtual directory for the RavenDB server.
    Default: /

  • Raven/HttpCompression
    Whatever http compression is enabled.
    Default: true

  • Raven/UseSsl Enable/disable SSL. Note: this only applies when RavenDB is run as a windows service. Default: false

  • Raven/AccessControlAllowOrigin
    Configures the server to send Access-Control-Allow-Origin header with the specified value. If this value isn't specified, all the access control settings are ignored.
    Allowed values: null (don't send the header), *,,
    Default: none

  • Raven/AccessControlMaxAge Configures the server to send Access-Control-Max-Age header with the specified value.
    Default: 1728000 (20 days)

  • Raven/AccessControlAllowMethods Configures the server to send Access-Control-Allow-Methods header with the specified value.

  • Raven/AccessControlRequestHeaders Configures the server to send Access-Control-Request-Headers header with the specified value.
    Default: none

  • Raven/MaxConcurrentRequestsForDatabaseDuringLoad
    Maximum number of allowed request to databases that are being loaded before warning messages will be returned. Default: 10

Misc settings

  • Raven/License The full license string for RavenDB. If Raven/License is specified, it overrides the Raven/LicensePath configuration.

  • Raven/LicensePath The path to the license file for RavenDB.
    Default: ~\license.xml

  • Raven/ServerName Name of the server that will show up on /admin/stats endpoint.

  • Raven/ClusterName Name of the cluster that will show up on /admin/stats endpoint.


  • Raven/ActiveBundles Semicolon separated list of bundles names, such as: 'Replication;Versioning'. If the value is not specified, none of the bundles are installed.
    Default: none

  • Raven/BundlesSearchPattern Allow to limit the loaded plugins by specifying a search pattern, such as Raven.*.dll. Multiple values can be specified, separated by a semicolon (;).

  • Raven/PluginsDirectory
    The location of the plugins directory for this database.
    Default: ~\Plugins


  • Raven/WebDir
    The location of the web directory for known files that makes up the RavenDB internal website.
    Default: ~/Raven/WebUI

  • Raven/RedirectStudioUrl The url to redirect the user to when then try to access the local studio.

Esent settings

  • Raven/Esent/CacheSizeMax
    The size in MB of the Esent page cache, which is the default storage engine.
    Default: 256 for 32-bit and 25% of total system memory for 64-bit
    Minimum: 256 for 32-bit and 1024 for 64-bit

  • Raven/Esent/MaxVerPages
    The maximum size of version store (in memory modified data) available. The value is in megabytes.
    Default: 512

  • Raven/Esent/DbExtensionSize
    The size that the database file will be enlarged with when the file is full. The value is in megabytes. Lower values will result in smaller file size, but slower performance.
    Default: 8

  • Raven/Esent/LogFileSize
    The size of the database log file. The value is in megabytes.
    Default: 64

  • Raven/Esent/LogBuffers
    The size of the in memory buffer for transaction log.
    Default: 16

  • Raven/Esent/MaxCursors
    The maximum number of cursors allowed concurrently.
    Default: 2048

  • Raven/Esent/LogsPath
    The path for the esent logs. Useful if you want to store the indexes on another HDD for performance reasons.
    Default: ~/Data/Logs

  • Raven/Esent/CircularLog
    Whatever circular logs will be used, defaults to true. If you want to use incremental backups, you need to turn this off, but logs will only be truncated on backup.
    Default: true


  • Raven/Tenants/MaxIdleTimeForTenantDatabase The time in seconds to allow a tenant database to be idle. Value is in seconds.
    Default: 900

  • Raven/Tenants/FrequencyToCheckForIdleDatabases The time in seconds to check for an idle tenant database. Value is in seconds.
    Default: 60


  • Raven/Quotas/Size/HardLimitInKB The hard limit after which we refuse any additional writes.
    Default: none

  • Raven/Quotas/Size/SoftMarginInKB The soft limit before which we will warn about the quota.
    Default: 1024

  • Raven/Quotas/Documents/HardLimit The hard limit after which we refuse any additional documents.
    Default: Int64.MaxValue

  • Raven/Quotas/Documents/SoftLimit The soft limit before which we will warn about the document limit quota.
    Default: Int64.MaxValue

JavaScript parser

  • Raven/MaxStepsForScript Maximum number of steps that javascripts functions can have (used for scripted patching).
    Default: 10000

  • Raven/AdditionalStepsForScriptBasedOnDocumentSize Number that will expand Raven/MaxStepsForScript based on a document size. Formula is as follows: MaxStepsForScript = Raven/MaxStepsForScript + (documentSize * Raven/AdditionalStepsForScriptBasedOnDocumentSize) Default: 5

Authorization & Authentication

  • Raven/AnonymousAccess Determines what actions an anonymous user can do. Get - read only, All - read & write, None - allows access to only authenticated users, Admin - all (including administrative actions).
    Default: Get


If your database instance does not have a valid license then Admin is the only available option to set. In a commercial system it should not be used. It is only for testing and development purposes, since it grants to ANY user administrative rights.

  • Raven/AllowLocalAccessWithoutAuthorization If set local request don't require authentication.
    Default: Get

  • Raven/OAuthTokenServer The url clients should use for authenticating when using OAuth mode.
    Default: http://RavenDB-Server-Url/OAuth/AccessToken - the internal OAuth server.

  • Raven/OAuthTokenCertificatePath The path to the OAuth certificate.
    Default: none. If no certificate is specified, one will be automatically created.

  • Raven/OAuthTokenCertificatePassword The password for the OAuth certificate.
    Default: none


  • Raven/Encryption/Algorithm
    AssemblyQualifiedName value. Additionaly provided type must be a subclass of SymmetricAlgorithm from System.Security.Cryptography namespace and must not be an abstract class.
    Default: "System.Security.Cryptography.AesManaged, System.Core, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089"
  • Raven/Encryption/Key
    Key used for encryption purposes with minimum length of 8 characters, base64 encoded.
  • Raven/Encryption/EncryptIndexes
    Boolean value indicating if the indexes should be encrypted.
    Default: True

Availability of configuration options

Many of the configuration options described in section above can be used both in global and per database context. If you want to set configuration per database, please refer to this page.

Configuration option Database Global
Raven/MaxPageSize Yes Yes
Raven/MemoryCacheExpiration Yes Yes
Raven/MemoryCacheLimitMegabytes Yes Yes
Raven/MemoryCacheLimitPercentage Yes Yes
Raven/MemoryCacheLimitCheckInterval Yes Yes
Raven/MaxSecondsForTaskToWaitForDatabaseToLoad No Yes
Raven/IndexStoragePath Yes Yes
Raven/MaxIndexWritesBeforeRecreate Yes Yes
Raven/MaxNumberOfParallelIndexTasks Yes Yes
Raven/MaxNumberOfItemsToIndexInSingleBatch Yes Yes
Raven/MaxNumberOfItemsToReduceInSingleBatch Yes Yes
Raven/MaxNumberOfItemsToPreFetchForIndexing Yes Yes
Raven/InitialNumberOfItemsToIndexInSingleBatch Yes Yes
Raven/AvailableMemoryForRaisingIndexBatchSizeLimit Yes Yes
Raven/ResetIndexOnUncleanShutdown Yes Yes
Raven/MaxIndexingRunLatency Yes Yes
Raven/TimeToWaitBeforeRunningIdleIndexes Yes Yes
Raven/TimeToWaitBeforeMarkingAutoIndexAsIdle Yes Yes
Raven/TimeToWaitBeforeRunningAbandonedIndexes Yes Yes
Raven/TimeToWaitBeforeMarkingIdleIndexAsAbandoned Yes Yes
Raven/TaskScheduler Yes Yes
Raven/NewIndexInMemoryMaxMB Yes Yes
Raven/CreateAutoIndexesForAdHocQueriesIfNeeded Yes Yes
Raven/SkipCreatingStudioIndexes Yes Yes
Raven/LimitIndexesCapabilities Yes Yes
Raven/CompiledIndexCacheDirectory Yes Yes
Raven/NumberOfItemsToExecuteReduceInSingleStep Yes Yes
Raven/DisableDocumentPreFetchingForIndexing Yes Yes
Raven/MaxIndexCommitPointStoreTimeInterval Yes Yes
Raven/MaxNumberOfStoredCommitPoints Yes Yes
Raven/MinIndexingTimeIntervalToStoreCommitPoint Yes Yes
Raven/DisableInMemoryIndexing Yes Yes
Raven/MemoryLimitForIndexing Yes Yes
Raven/RunInMemory Yes Yes
Raven/DataDir Yes Yes
Raven/StorageTypeName Yes Yes
Raven/TransactionMode Yes Yes
Raven/HostName No Yes
Raven/Port No Yes
Raven/UseSSL No Yes
Raven/VirtualDirectory No Yes
Raven/HttpCompression No Yes
Raven/AccessControlAllowOrigin No Yes
Raven/AccessControlMaxAge No Yes
Raven/AccessControlAllowMethods No Yes
Raven/AccessControlRequestHeaders No Yes
Raven/MaxConcurrentRequestsForDatabaseDuringLoad No Yes
Raven/License No Yes
Raven/LicensePath No Yes
Raven/ServerName No Yes
Raven/ClusterName No Yes
Raven/ActiveBundles Yes* Yes
Raven/BundlesSearchPattern No Yes
Raven/PluginsDirectory No Yes
Raven/Esent/CacheSizeMax Yes Yes
Raven/Esent/MaxVerPages Yes Yes
Raven/Esent/DbExtensionSize Yes Yes
Raven/Esent/LogFileSize Yes Yes
Raven/Esent/LogBuffers Yes Yes
Raven/Esent/MaxCursors Yes Yes
Raven/Esent/LogsPath Yes Yes
Raven/Esent/CircularLog Yes Yes
Raven/Tenants/MaxIdleTimeForTenantDatabase No Yes
Raven/Tenants/FrequencyToCheckForIdleDatabases No Yes
Raven/Quotas/Size/HardLimitInKB Yes Yes
Raven/Quotas/Size/SoftMarginInKB Yes Yes
Raven/Quotas/Documents/HardLimit Yes Yes
Raven/Quotas/Documents/SoftLimit Yes Yes
Raven/MaxStepsForScript Yes No
Raven/AdditionalStepsForScriptBasedOnDocumentSize Yes Yes
Raven/AnonymousAccess Yes Yes
Raven/AllowLocalAccessWithoutAuthorization Yes Yes
Raven/Authorization/Windows/RequiredGroups Yes Yes
Raven/Authorization/Windows/RequiredUsers Yes Yes
Raven/OAuthTokenServer Yes Yes
Raven/OAuthTokenCertificatePath Yes Yes
Raven/OAuthTokenCertificatePassword Yes Yes
Raven/Encryption/Algorithm Yes** Yes
Raven/Encryption/Key Yes** Yes
Raven/Encryption/EncryptIndexes Yes** Yes


Raven/ActiveBundles can be changed after database has been created, but any changes may cause unexpected stability issues and are HIGHLY unrecommended. Please activate bundles only when creating new database.


Raven/Encryption settings can only be provided when database is being created. Changing them later will cause DB malfunction. More about Encryption bundle can be found here.