From 71f62be8a5cb48fec03e2fb00827ebaf818e62ba Mon Sep 17 00:00:00 2001 From: Rachel Elledge Date: Thu, 28 Aug 2025 16:19:30 -0500 Subject: [PATCH 1/4] DOC-5663 RS: Added extended query parameter to GET database requests reference --- .../rest-api/requests/bdbs/_index.md | 22 +++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/content/operate/rs/references/rest-api/requests/bdbs/_index.md b/content/operate/rs/references/rest-api/requests/bdbs/_index.md index 679a9e5f6c..8c8798f60e 100644 --- a/content/operate/rs/references/rest-api/requests/bdbs/_index.md +++ b/content/operate/rs/references/rest-api/requests/bdbs/_index.md @@ -38,12 +38,20 @@ Get all databases in the cluster. ### Request {#get-all-request} -#### Example HTTP request +#### Example HTTP requests + +The following request returns the unique IDs and names of all databases: ```sh GET /v1/bdbs?fields=uid,name ``` +The following request returns all fields for the databases, including configuration fields for modules like search, probabilistic, and timeseries: + +```sh +GET /v1/bdbs?extended=true +``` + #### Headers | Key | Value | @@ -56,6 +64,7 @@ GET /v1/bdbs?fields=uid,name | Field | Type | Description | |-------|------|-------------| | fields | string | Comma-separated list of field names to return (by default all fields are returned). (optional) | +| extended | boolean | If true, includes configuration fields for modules, such as search, timeseries, and probabilistic, in the response. If the `extended` query parameter is not included in the request, module configuration fields do not appear in the response. (optional) | ### Response {#get-all-response} @@ -128,12 +137,20 @@ Get a single database. ### Request {#get-request} -#### Example HTTP request +#### Example HTTP requests + +The following request returns all fields for the specified database, except for module configuration fields: ```sh GET /v1/bdbs/1 ``` +The following request returns all fields for the specified database, including configuration fields for modules like search, probabilistic, and timeseries: + +```sh +GET /v1/bdbs/1?extended=true +``` + #### Headers | Key | Value | @@ -154,6 +171,7 @@ GET /v1/bdbs/1 | Field | Type | Description | |-------|------|-------------| | fields | string | Comma-separated list of field names to return (by default all fields are returned). (optional) | +| extended | boolean | If true, includes configuration fields for modules, such as search, timeseries, and probabilistic, in the response. If the `extended` query parameter is not included in the request, module configuration fields do not appear in the response. (optional) | ### Response {#get-response} From d2828b65104e8e364874d5bfbc80b1f9837c74a5 Mon Sep 17 00:00:00 2001 From: Rachel Elledge Date: Thu, 28 Aug 2025 17:12:55 -0500 Subject: [PATCH 2/4] DOC-5663 Added search, probalistic, and timeseries module configuration objects to RS REST API reference --- .../rest-api/objects/bdb/probabilistic.md | 24 ++++++++ .../references/rest-api/objects/bdb/search.md | 56 +++++++++++++++++++ .../rest-api/objects/bdb/timeseries.md | 24 ++++++++ 3 files changed, 104 insertions(+) create mode 100644 content/operate/rs/references/rest-api/objects/bdb/probabilistic.md create mode 100644 content/operate/rs/references/rest-api/objects/bdb/search.md create mode 100644 content/operate/rs/references/rest-api/objects/bdb/timeseries.md diff --git a/content/operate/rs/references/rest-api/objects/bdb/probabilistic.md b/content/operate/rs/references/rest-api/objects/bdb/probabilistic.md new file mode 100644 index 0000000000..a063e89762 --- /dev/null +++ b/content/operate/rs/references/rest-api/objects/bdb/probabilistic.md @@ -0,0 +1,24 @@ +--- +Title: Probabilistic data structures configuration object +alwaysopen: false +categories: +- docs +- operate +- rs +description: Configuration object for probabilistic data structures +linkTitle: probabilistic +weight: $weight +--- + +Configuration fields for probabilistic data structures. + +| Field | Type/Value | Description | +|-------|------------|-------------| +| bf-error-rate | number (range: 0-1) (default: 0.01) | Error ratio for new Bloom filters. These defaults are applied to each new Bloom filter upon its creation. | +| bf-initial-size | integer (range: 1-1048576) (default: 100) | Initial capacity for new Bloom filters. These defaults are applied to each new Bloom filter upon its creation. | +| bf-expansion-factor | integer (range: 0-32768) (default: 2) | Expansion factor for new Bloom filters. These defaults are applied to each new Bloom filter upon its creation. | +| cf-initial-size | integer (range: 1-1048576) (default: 1024) | Initial capacity for new Cuckoo filters. These defaults are applied to each new Cuckoo filter upon its creation. | +| cf-bucket-size | integer (range: 1-255) (default: 2) | Number of items in each bucket for new Cuckoo filters. These defaults are applied to each new Cuckoo filter upon its creation. | +| cf-max-iterations | integer (range: 1-65535) (default: 20) | Maximum iterations for new Cuckoo filters. These defaults are applied to each new Cuckoo filter upon its creation. | +| cf-expansion-factor | integer (range: 0-32768) (default: 1) | Expansion factor for new Cuckoo filters. These defaults are applied to each new Cuckoo filter upon its creation. | +| cf-max-expansions | integer (range: 1-65536) (default: 32) | Maximum expansions for new Cuckoo filters. These defaults are applied to each new Cuckoo filter upon its creation. | diff --git a/content/operate/rs/references/rest-api/objects/bdb/search.md b/content/operate/rs/references/rest-api/objects/bdb/search.md new file mode 100644 index 0000000000..317d5dd710 --- /dev/null +++ b/content/operate/rs/references/rest-api/objects/bdb/search.md @@ -0,0 +1,56 @@ +--- +Title: Search and query configuration object +alwaysopen: false +categories: +- docs +- operate +- rs +description: Configuration object for search and query. +linkTitle: search +weight: $weight +--- + +Configuration fields for search and query. + +| Field | Type/Value | Description | +|-------|------------|-------------| +| search-timeout | integer (range: 1-9223372036854775807) (default: 1000) | The maximum amount of time in milliseconds that a search query is allowed to run. | +| search-ext-load | string | If present, RediSearch will try to load an extension dynamic library from its specified file path. Requires a database restart to take effect. | +| search-max-doctablesize | integer (range: 1-18446744073709551615) (default: 1000000) | The maximum size of the internal hash table used for storing the documents. Requires a database restart to take effect. | +| search-friso-ini | string | If present, load the custom Chinese dictionary from the specified path. Requires a database restart to take effect. | +| search-cursor-max-idle | integer (range: 1-9223372036854775807) (default: 30000) | The maximum idle time in milliseconds that can be set to the cursor api. | +| search-partial-indexed-docs | integer (range: 1-9223372036854775807) (default: 30000) | Enable or turn off the Redis command filter. Requires a database restart to take effect. | +| search-gc-scan-size | integer (range: 1-9223372036854775807) (default: 100) | The bulk size of the internal GC used for cleaning up indexes. Requires a database restart to take effect. | +| search-no-gc | boolean (default: false) | If set, Garbage Collection is deactivated for all indexes. Requires a database restart to take effect. | +| search-fork-gc-run-interval | integer (range: 1-9223372036854775807) (default: 30) | Interval in seconds between two consecutive fork GC runs. | +| search-fork-gc-retry-interval | integer (range: 1-9223372036854775807) (default: 5) | Interval in seconds in which RediSearch will retry to run fork GC in case of a failure. | +| search-fork-gc-clean-threshold | integer (range: 1-9223372036854775807) (default: 100) | The fork GC will only start to clean when the number of not cleaned documents exceeds this threshold; otherwise, it will skip this run. | +| search-vss-max-resize | integer (range: 1-4294967295) (default: 100) | The maximum memory resize for vector similarity indexes in bytes. | +| search-union-iterator-heap | integer (range: 1-9223372036854775807) (default: 20) | The minimum number of iterators in a union from which the iterator will switch to heap-based implementation. | +| search-min-phonetic-term-len | integer (range: 1-9223372036854775807) (default: 3) | Minimum length of term to be considered for phonetic matching. | +| search-multi-text-slop | integer (range: 1-4294967295) (default: 100) | Set RediSearch delta used to increase positional offsets between array slots for multi-text values. Requires a database restart to take effect. | +| search-raw-docid-encoding | boolean (default: false) | Turn off compression for DocID inverted index. Boost CPU performance. Requires a database restart to take effect. | +| search-_print-profile-clock | boolean (default: true) | Turn off print of time for ft.profile. For testing only. | +| search-_free-resource-on-thread | boolean (default: true) | Determine whether some index resources are free on a second thread | +| search-_numeric-compress | boolean (default: false) | Enable legacy compression of double to float. | +| search-bg-index-sleep-gap | integer (range: 1-4294967295) (default: 100) | The number of iterations to run while performing background indexing before we call usleep(1) (sleep for 1 micro-second) and make sure that we allow Redis to process other commands. Requires a database restart to take effect. | +| search-_numeric-ranges-parents | integer (range: 0-2) (default: 0) | Keep numeric ranges in numeric tree parent nodes of leaves for `x` | +| search-fork-gc-sleep-before-exit | integer (range: 0-9223372036854775807) (default: 0) | Set the number of seconds for the fork GC to sleep before exists, should always be set to 0 (other then on tests). | +| search-no-mem-pools | boolean (default: false) | Set RediSearch to run without memory pools. Requires a database restart to take effect. | +| search-_prioritize-intersect-union-children | boolean (default: false) | Intersection iterator orders the children iterators by their relative estimated number of results in ascending order, so that if we see first iterators with a lower count of results, we will skip a larger number of results, which translates into faster iteration. If this flag is set, we use this optimization in a way where union iterators are being factorized by the number of their own children, so that we sort by the number of children times the overall estimated number of results instead. | +| search-conn-per-shard | integer (range: 0-9223372036854775807) (default: 0) | Number of connections to each shard in the cluster. Default to 0. If 0, the number of connections is set to `WORKERS` + 1. | +| search-cursor-reply-threshold | integer (range: 1-9223372036854775807) (default: 1) | Maximum number of replies to accumulate before triggering `_FT.CURSOR READ` on the shards | +| search-threads | integer | Maximum number of replies to accumulate before triggering `_FT.CURSOR READ` on the shards. Requires a database restart to take effect. | +| search-default-dialect | integer (range: 1-4) (default: 1) | The default DIALECT to be used by FT.CREATE, FT.AGGREGATE, FT.EXPLAIN, FT.EXPLAINCLI, and FT.SPELLCHECK. | +| search-topology-validation-timeout | integer (range: 0-9223372036854775807) (default: 30000) | Sets the timeout for topology validation (in milliseconds). After this timeout, any pending requests will be processed, even if the topology is not fully connected. | +| search-workers | integer (range: 0-8192) (default: 0) | Number of worker threads to use for query processing and background tasks. | +| search-min-operation-workers | integer (range: 0-8192) (default: 4) | Number of worker threads to use for background tasks when the server is in an operation event. | +| search-tiered-hnsw-buffer-limit | integer (range: 0-9223372036854775807) (default: 1024) | Use for setting the buffer limit threshold for vector similarity tiered HNSW index, so that if we are using WORKERS for indexing, and the number of vectors waiting in the buffer to be indexed exceeds this limit, we insert new vectors directly into HNSW. Requires a database restart to take effect. | +| search-workers-priority-bias-threshold | integer (range: 0-9223372036854775807) (default: 1) | The number of high-priority tasks to run at any given time by the worker thread pool, before executing low-priority tasks. After this number of high-priority tasks are running, the worker thread pool will run high and low-priority tasks alternately. Requires a database restart to take effect. | +| search-on-timeout | string (values: RETURN, FAIL) (default: "RETURN") | The response policy for queries that exceed the TIMEOUT setting can be one of the following: RETURN / FAIL | +| search-min-prefix | integer (range: 1-9223372036854775807) (default: 2) | The minimum number of characters allowed for prefix queries (e.g., hel*) | +| search-min-stem-len | integer (range: 2-4294967295) (default: 0) | The minimum word length to stem | +| search-max-prefix-expansions | integer (range: 1-9223372036854775807) (default: 200) | The maximum number of expansions allowed for query prefixes | +| search-max-search-results | integer (range: 0-9223372036854775807) (default: 1000000) | The maximum number of results to be returned by the FT.SEARCH command if LIMIT is used | +| search-max-aggregate-results | integer (range: 0-9223372036854775807) (default: 2147483648) | The maximum number of results to be returned by the FT.AGGREGATE command if LIMIT is used | +| search-enable-unstable-features | boolean (default: false) | Enable unstable features. | diff --git a/content/operate/rs/references/rest-api/objects/bdb/timeseries.md b/content/operate/rs/references/rest-api/objects/bdb/timeseries.md new file mode 100644 index 0000000000..569c55f5a6 --- /dev/null +++ b/content/operate/rs/references/rest-api/objects/bdb/timeseries.md @@ -0,0 +1,24 @@ +--- +Title: Timeseries configuration object +alwaysopen: false +categories: +- docs +- operate +- rs +description: Configuration object timeseries. +linkTitle: timeseries +weight: $weight +--- + +Configuration fields for timeseries. + +| Field | Type/Value | Description | +|-------|------------|-------------| +| ts-num-threads | integer (range: 1-16) (default: 1000) | Number of threads for time series operations. Requires a database restart to take effect. | +| ts-compaction-policy | string | Default compaction rules. This default value is applied to each new time series upon its creation | +| ts-retention-policy | integer (range: 0-9223372036854775807) (default: 0) | Default retention period, in milliseconds. This default value is applied to each new time series upon its creation, but if COMPACTION_POLICY is specified, it is overridden for created compactions as specified in COMPACTION_POLICY. | +| ts-duplicate-policy | string (values: BLOCK, FIRST, LAST, MIN, MAX, SUM) (default: "BLOCK") | Default policy for handling insertion of multiple samples with identical timestamps. This default value is applied to each new time series upon its creation. | +| ts-encoding | string (values: COMPRESSED, UNCOMPRESSED) (default: "COMPRESSED") | Default chunk encoding for automatically-created compacted time series. This default value is applied to each new compacted time series automatically created due to the creation of a new time series when COMPACTION_POLICY is specified. | +| ts-chunk-size-bytes | integer (range: 48-1048576) (default: 4096) | Default initial allocation size, in bytes, for the data part of each new chunk. This default value is applied to each new time series upon its creation. | +| ts-ignore-max-time-diff | integer (range: 0-9223372036854775807) (default: 0) | Default maximum time difference that can be expired to consider a new insertion to be a duplicate. This default value is applied to each new time series upon its creation. | +| ts-ignore-max-val-diff | number (range: 0+) (default: 0) | Default maximum value difference for a new insertion to be considered a duplicate. This default value is applied to each new time series upon its creation. | From 653f5113a098bd73a93db5e669184d3ed5c155fe Mon Sep 17 00:00:00 2001 From: Rachel Elledge Date: Thu, 28 Aug 2025 17:24:31 -0500 Subject: [PATCH 3/4] DOC-5663 Added search, probalistic, and timeseries module configuration object links to RS REST API reference for BDB object --- content/operate/rs/references/rest-api/objects/bdb/_index.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/content/operate/rs/references/rest-api/objects/bdb/_index.md b/content/operate/rs/references/rest-api/objects/bdb/_index.md index e24690bed9..8845fdd161 100644 --- a/content/operate/rs/references/rest-api/objects/bdb/_index.md +++ b/content/operate/rs/references/rest-api/objects/bdb/_index.md @@ -112,7 +112,7 @@ An API object that represents a managed database in the cluster. | memory_size | integer (default: 0); Database memory limit (0 is unlimited), expressed in bytes. | | metrics_export_all | boolean; Enable/disable exposing all shard metrics through the metrics exporter | | mkms | boolean (default: true); Are MKMS (Multi Key Multi Slots) commands supported? | -| module_list | {{}}[{
"module_id": string,
"module_args": [
u'string',
u'null'],
"module_name": string,
"semantic_version": string
}, ...]{{}} List of modules associated with the database

**module_id**: Module UID (deprecated; use `module_name` instead)
**module_args**: Module command-line arguments (pattern does not allow special characters &,\<,>,")
**module_name**: Module's name
**semantic_version**: Module's semantic version (deprecated; use `module_args` instead)

**module_id** and **semantic_version** are optional as of Redis Enterprise Software v7.4.2 and deprecated as of v7.8.2. | +| module_list | {{}}[{
"module_id": string,
"module_args": [
u'string',
u'null'],
"module_name": string,
"semantic_version": string
}, ...]{{}} List of modules associated with the database

**module_id**: Module UID (deprecated; use `module_name` instead)
**module_args**: Module command-line arguments (deprecated; use the module objects for [search]({{}}), [timeseries]({{}}), and [probabilistic]({{}}) instead)
**module_name**: Module's name
**semantic_version**: Module's semantic version (deprecated; use `module_args` instead)

**module_id** and **semantic_version** are optional as of Redis Enterprise Software v7.4.2 and deprecated as of v7.8.2.
**module_args** is deprecated as of Redis Enterprise Software v8.0. | | mtls_allow_outdated_certs | boolean; An optional mTLS relaxation flag for certs verification | | mtls_allow_weak_hashing | boolean; An optional mTLS relaxation flag for certs verification | | multi_commands_opt | If set to `batch`, it reduces the overhead of transaction management by batching multiple commands into a single transaction.
Values:
**disabled**: Turns off the optimization.
**batch**: Enables the optimization.
**auto**: Uses the [cluster's `multi_commands_opt` setting]({{}}). | @@ -122,6 +122,7 @@ An API object that represents a managed database in the cluster. | oss_cluster_api_preferred_ip_type | Internal/external IP type in OSS cluster API. Default value for new endpoints
Values:
**'internal'**
'external' | | oss_sharding | boolean (default: false); An alternative to `shard_key_regex` for using the common case of the OSS shard hashing policy | | port | integer; TCP port on which the database is available. Generated automatically if omitted and returned as 0 | +| probabilistic | [complex object]({{< relref "/operate/rs/references/rest-api/objects/bdb/probabilistic" >}}); Configuration fields for probabilistic data structures. | | proxy_policy | The default policy used for proxy binding to endpoints
Values:
'single'
'all-master-shards'
'all-nodes' | | rack_aware | boolean (default: false); Require the database to always replicate across multiple racks | | recovery_wait_time | integer (default: -1); Defines how many seconds to wait for the persistence file to become available during auto recovery. After the wait time expires, auto recovery completes with potential data loss. The default `-1` means to wait forever. | @@ -137,6 +138,7 @@ An API object that represents a managed database in the cluster. | resp3 | boolean (default: true); Enables or deactivates RESP3 support | | roles_permissions | {{}}[{
"role_uid": integer,
"redis_acl_uid": integer
}, ...]{{}} | | sched_policy | Controls how server-side connections are used when forwarding traffic to shards.
Values:
**cmp**: Closest to max_pipelined policy. Pick the connection with the most pipelined commands that has not reached the max_pipelined limit.
**mru**: Try to use most recently used connections.
**spread**: Try to use all connections.
**mnp**: Minimal pipeline policy. Pick the connection with the least pipelined commands. | +| search | [complex object]({{< relref "/operate/rs/references/rest-api/objects/bdb/search" >}}); Configuration fields for search and query. | | shard_block_crossslot_keys | boolean (default: false); In Lua scripts, prevent use of keys from different hash slots within the range owned by the current shard | | shard_block_foreign_keys | boolean (default: true); In Lua scripts, `foreign_keys` prevent use of keys which could reside in a different shard (foreign keys) | | shard_key_regex | Custom keyname-based sharding rules.
`[{"regex": string}, ...]`
To use the default rules you should set the value to:
`[{"regex": ".*\\{(?.*)\\}.*"}, {"regex": "(?.*)"}]` | @@ -158,6 +160,7 @@ An API object that represents a managed database in the cluster. | syncer_log_level | Minimum syncer log level to log. Only logs with this level or higher will be logged.
Values:
‘crit’
‘error’
‘warn’
**‘info’**
‘trace’
‘debug’ | | syncer_mode | The syncer for replication between database instances is either on a single node (centralized) or on each node that has a proxy according to the proxy policy (distributed). (read-only)
Values:
'distributed'
'centralized' | | tags | {{}}[{
"key": string,
"value": string
}, ...]{{}} Optional list of tag objects attached to the database. Each tag requires a key-value pair.
**key**: Represents the tag's meaning and must be unique among tags (pattern does not allow special characters &,\<,>,")
**value**: The tag's value.| +| timeseries | [complex object]({{< relref "/operate/rs/references/rest-api/objects/bdb/timeseries" >}}); Configuration fields for timeseries. | | tls_mode | Require TLS-authenticated and encrypted connections to the database
Values:
'enabled'
**'disabled'**
'replica_ssl' | | tracking_table_max_keys | integer; The client-side caching invalidation table size. 0 makes the cache unlimited. | | type | Type of database
Values:
**'redis'**
'memcached' | From 0515c1fdd38d2229c01617dc37f1b88340751e63 Mon Sep 17 00:00:00 2001 From: Rachel Elledge Date: Fri, 5 Sep 2025 15:02:45 -0500 Subject: [PATCH 4/4] DOC-5663 Feedback updates to break up and clarify run-on sentences --- content/operate/rs/references/rest-api/objects/bdb/search.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/content/operate/rs/references/rest-api/objects/bdb/search.md b/content/operate/rs/references/rest-api/objects/bdb/search.md index 317d5dd710..abe2366125 100644 --- a/content/operate/rs/references/rest-api/objects/bdb/search.md +++ b/content/operate/rs/references/rest-api/objects/bdb/search.md @@ -37,7 +37,7 @@ Configuration fields for search and query. | search-_numeric-ranges-parents | integer (range: 0-2) (default: 0) | Keep numeric ranges in numeric tree parent nodes of leaves for `x` | | search-fork-gc-sleep-before-exit | integer (range: 0-9223372036854775807) (default: 0) | Set the number of seconds for the fork GC to sleep before exists, should always be set to 0 (other then on tests). | | search-no-mem-pools | boolean (default: false) | Set RediSearch to run without memory pools. Requires a database restart to take effect. | -| search-_prioritize-intersect-union-children | boolean (default: false) | Intersection iterator orders the children iterators by their relative estimated number of results in ascending order, so that if we see first iterators with a lower count of results, we will skip a larger number of results, which translates into faster iteration. If this flag is set, we use this optimization in a way where union iterators are being factorized by the number of their own children, so that we sort by the number of children times the overall estimated number of results instead. | +| search-_prioritize-intersect-union-children | boolean (default: false) | Intersection iterator orders the children iterators by their relative estimated number of results in ascending order. If the first iterators have a lower count of results, skips a larger number of results, which translates into faster iteration. If this flag is set, we use this optimization in a way where union iterators are being factorized by the number of their own children, so that we sort by the number of children times the overall estimated number of results instead. | | search-conn-per-shard | integer (range: 0-9223372036854775807) (default: 0) | Number of connections to each shard in the cluster. Default to 0. If 0, the number of connections is set to `WORKERS` + 1. | | search-cursor-reply-threshold | integer (range: 1-9223372036854775807) (default: 1) | Maximum number of replies to accumulate before triggering `_FT.CURSOR READ` on the shards | | search-threads | integer | Maximum number of replies to accumulate before triggering `_FT.CURSOR READ` on the shards. Requires a database restart to take effect. | @@ -45,7 +45,7 @@ Configuration fields for search and query. | search-topology-validation-timeout | integer (range: 0-9223372036854775807) (default: 30000) | Sets the timeout for topology validation (in milliseconds). After this timeout, any pending requests will be processed, even if the topology is not fully connected. | | search-workers | integer (range: 0-8192) (default: 0) | Number of worker threads to use for query processing and background tasks. | | search-min-operation-workers | integer (range: 0-8192) (default: 4) | Number of worker threads to use for background tasks when the server is in an operation event. | -| search-tiered-hnsw-buffer-limit | integer (range: 0-9223372036854775807) (default: 1024) | Use for setting the buffer limit threshold for vector similarity tiered HNSW index, so that if we are using WORKERS for indexing, and the number of vectors waiting in the buffer to be indexed exceeds this limit, we insert new vectors directly into HNSW. Requires a database restart to take effect. | +| search-tiered-hnsw-buffer-limit | integer (range: 0-9223372036854775807) (default: 1024) | Sets the buffer limit threshold for vector similarity tiered HNSW index. If using WORKERS for indexing and the number of vectors waiting in the buffer to be indexed exceeds this limit, inserts new vectors directly into HNSW. Requires a database restart to take effect. | | search-workers-priority-bias-threshold | integer (range: 0-9223372036854775807) (default: 1) | The number of high-priority tasks to run at any given time by the worker thread pool, before executing low-priority tasks. After this number of high-priority tasks are running, the worker thread pool will run high and low-priority tasks alternately. Requires a database restart to take effect. | | search-on-timeout | string (values: RETURN, FAIL) (default: "RETURN") | The response policy for queries that exceed the TIMEOUT setting can be one of the following: RETURN / FAIL | | search-min-prefix | integer (range: 1-9223372036854775807) (default: 2) | The minimum number of characters allowed for prefix queries (e.g., hel*) |