HAYASHI Kentaro
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Fri Apr 5 18:08:13 JST 2013
HAYASHI Kentaro 2013-04-05 18:08:13 +0900 (Fri, 05 Apr 2013) New Revision: a72797a9aa390bada67099fd93979ea026f3ee11 https://github.com/mroonga/mroonga/commit/a72797a9aa390bada67099fd93979ea026f3ee11 Message: doc en: add documentations about table limitations [groonga-dev,01281] Reported by Kazuhiro Isobe. Thanks!!! Modified files: doc/source/reference.rst Modified: doc/source/reference.rst (+26 -0) =================================================================== --- doc/source/reference.rst 2013-04-05 01:31:58 +0900 (5a25d5a) +++ doc/source/reference.rst 2013-04-05 18:08:13 +0900 (f14f8e0) @@ -457,6 +457,32 @@ Limitations There are some limitations in mroonga storage engine. +Limitations of table +^^^^^^^^^^^^^^^^^^^^ + +A table has the following limitations. +This limitation is derived from groonga. + +* The maximum one key size: 4096Bytes +* The maximum total size of keys: 4GBytes + +Keep in mind that these limitations may vary depending on conditions. + +Limitations of indexing +^^^^^^^^^^^^^^^^^^^^^^^ + +A full-text index has the following limitations. +This limitation is derived from groonga. + +* The maximum number of records: 268,435,455 (more than 268 million) +* The maximum number of distinct terms: 268,435,455 (more than 268 million) +* The maximum index size: 256GBytes + +Keep in mind that these limitations may vary depending on conditions. + +Confirm by ``SHOW TABLE STATUS`` or ``SHOW INDEX FROM ...`` whether your table data matches to this limitations. + + Limitations about the value of columns ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -------------- next part -------------- HTML����������������������������...Download