datalevin.constants — datalevin 0.9.14

System vars. Some can be dynamically rebound to change system behavior.

*compress-sample-size* clj

The number of samples considered when build the key compression dictionary is 65536

*data-serializable-classes* clj

set of additional serializable classes, e.g. #{"my.package.*"}

*en-punctuations-set* clj

The set of English punctuation characters, a Java HashSet. Used in English analyzer.

*en-stop-words-set* clj

The set of English stop words, a Java HashSet, contains the same words as that of Lucene. Used in English analyzer.

*fill-db-batch-size* clj

batch size (# of datoms) when filling DB

*index-writer-batch-size* clj

batch size when using search index writer and :index-position? is false

*index-writer-batch-size-pos* clj

batch size when using search index writer and :index-position? is true

*init-db-size* clj

Initial db file size is 1000 MiB, automatically grown

*init-val-size* clj

Initial maximal value size is 16384 bytes, automatically grown

*max-dbs* clj

Maximum number of sub-databases allowed in a db file

*max-readers* clj

Maximum number of readers allowed for a db file

+max-key-size+ clj

Maximum LMDB key size is 511 bytes

+max-term-length+ clj

The full text search engine ignores exceedingly long strings. The maximal allowed term length is 128 characters

+tuple-max+ clj

Maximum length of a tuple is 255 bytes

ave clj

dbi name for Datalog AVE index is datalevin/ave

default-connection-pool-size clj

The default client connection pool size is 3

default-connection-timeout clj

The default connection timeout is 60000ms (1 minute)

default-dbi-flags clj

Default LMDB dbi flag is #{:create}. See http://www.lmdb.tech/doc/group__mdb__dbi__open.html for full list of flags

default-display clj

default search function :display option value is :refs

default-doc-filter clj

default-domain clj

default-env-flags clj

Default LMDB env flag is #{:nordahead :notls}. See http://www.lmdb.tech/doc/group__mdb__env.html for full list of flags.

Passed as :flags option value to open-kv function.

default-idle-timeout clj

The server session default idle timeout is 172800000ms (48 hours)

default-password clj

The server default password is datalevin

default-port clj

The server default port number is 8898

default-proximity-expansion clj

default search function :proximity-expansion option value is 2

default-proximity-max-dist clj

default search function :proximity-max-dist option value is 45

default-put-flags clj

Default LMDB put flag is #{}. See http://www.lmdb.tech/doc/group__mdb__put.html for full list of flags

default-spill-root clj

Default root directory of spilled files is platform dependent. the same as the value of Java property java.io.tmpdir

default-spill-threshold clj

Default percentage of heap memory (Xmx) is 95, over which spill-to-disk will be triggered

default-top clj

default search function :top option value is 10

default-username clj

The server default username is datalevin

docs clj

dbi name suffix for search engine documents index is docs

eav clj

dbi name for Datalog EAV index is datalevin/eav

giants clj

dbi name for Datalog large datoms is datalevin/giants

init-exec-size-threshold clj

Size below which the initial plan will execute during planning, above which, the same number of items will be sampled instead

kv-info clj

dbi name for kv store system information is datalevin/kv-info

magic-cost-fidx clj

Cost associated with running a filter during scan

magic-cost-init-scan-e clj

Cost associated with scanning e based on a

magic-cost-merge-scan-v clj

Cost associated with merge-scan join

magic-cost-pred clj

Cost associated with running a predicate during scan

magic-cost-val-eq-scan-e clj

Cost associated with val-eq-scan join

magic-cost-var clj

Cost associated with adding variable during scan

max-bigdec clj

Maximum big decimal has value of (2^1015-1) x 10^2147483648

max-bigint clj

Maximum big integer is 2^1015-1

meta clj

dbi name for Datalog runtime meta information is datalevin/meta

min-bigdec clj

Minimum big decimal has value of -2^1015 x 10^2147483648

min-bigint clj

Minimum big integer is -2^1015

opts clj

dbi name for Datalog options is datalevin/opts

positions clj

dbi name suffix for search engine positions index is positions

rawtext clj

dbi name suffix for search engine raw text is rawtext

sample-processing-interval clj

Time interval between sample processing, in seconds

schema clj

dbi name for Datalog schema is datalevin/schema

terms clj

dbi name suffix for search engine terms index is terms

tmp-dbi clj

Default dbi name of the spilled db is t

vae clj

dbi name for Datalog VAE index is datalevin/vae

version clj

Version number of Datalevin