HAYASHI Kentaro
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Tue Mar 29 18:19:33 JST 2016
HAYASHI Kentaro 2016-03-29 18:19:33 +0900 (Tue, 29 Mar 2016) New Revision: 6498f2e9a95330ada9fba71fd15aad1c4afb292f https://github.com/mroonga/mroonga.github.com/commit/6498f2e9a95330ada9fba71fd15aad1c4afb292f Message: blog en: add Mroonga 6.01 topics Modified files: en/_posts/2016-03-29-mroonga-6.01.md Modified: en/_posts/2016-03-29-mroonga-6.01.md (+36 -2) =================================================================== --- en/_posts/2016-03-29-mroonga-6.01.md 2016-03-29 18:05:26 +0900 (7e58490) +++ en/_posts/2016-03-29-mroonga-6.01.md 2016-03-29 18:19:33 +0900 (0507a72) @@ -18,10 +18,44 @@ and fulltext search engine. ### Changes -TODO +There are two topics in this release. + + * [Windows] Supported LZ4 column value compression + * Supported fast phrase search with static indexes + +#### [Windows] Supported LZ4 column value compression + +LZ4 column value compression is supported Mroonga 4.07, but not on Windows for a long time. + +In this release, Mroonga has supported LZ4 column value compression at last! + +To enable this feature, use ``COMPRESS_LZ4`` flag: + +``` +content TEXT COMMENT 'flags "COLUMN_SCALAR|COMPRESS_LZ4"' +``` + +#### Supported fast phrase search with static indexes + +This feature is not Mroonga's improvement. It is derived from Groonga, Mroonga has supported fast phrase search with static indexes when frequently used word and rarely used word are specified at the same time. + +To enable this feature, set the following environment variable and execute offline index construction: + +``` +GRN_INDEX_CHUNK_SPLIT_ENABLE=1 +``` + +And enable the following environment variable: + +``` +GRN_II_CURSOR_SET_MIN_ENABLE=1 +``` + +This feature is disabled by default because it is not widely tested yet, but it is verified to improve phrase search performance in a test case. + ### Conclusion -See [Release 6.01 - 2016-03-29](/docs/news.html#release-6.01) about detailed changes since 6.00. +Please refer to [Release 6.01 - 2016-03-29](/docs/news.html#release-6.01) about detailed changes since 6.00. Let's search by Mroonga! -------------- next part -------------- HTML����������������������������...下載