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Fri May 6 16:34:05 JST 2016
Build Update for groonga/groonga ------------------------------------- Build: #7546 Status: Errored Duration: 3 minutes and 7 seconds Commit: 8a814ad (master) Author: Kouhei Sutou Message: select: improve performance for range search and enough filtered case This may improve performance when a table has many records and two conditions such as --filter 'content @ "keyword" && price < 1000'. If 'content @ "keyword"' filters many records, 'price < 1000' may be evaluated as sequential search instead of index search. Sequential search is faster than index search when the number of remained records is less. It's disabled by default. You can enable it by defining GRN_TABLE_SELECT_ENOUGH_FILTERED_RATIO=0.1 environment variable. 0.1 means that "the number of remained records by 'content @ "keyword"'" / "the number of original records" must be 10% or less to use this optimization. If "the number of remained records by 'content @ "keyword"'" is greater than 1000, this optimization isn't used. You can custom the threshold by defining GRN_TABLE_SELECT_MAX_N_ENOUGH_FILTERED_RECORDS=5000 environment variable. In the case, the optimization may be used when "the number of remained records by 'content @ "keyword"'" is equal to or less than than 5000. This optimization is used when both of the two conditions are satisfied. View the changeset: https://github.com/groonga/groonga/compare/a1f1efd1705a...8a814ad16f4b View the full build log and details: https://travis-ci.org/groonga/groonga/builds/128234456 -- You can configure recipients for build notifications in your .travis.yml file. See https://docs.travis-ci.com/user/notifications -------------- next part -------------- An HTML attachment was scrubbed...ダウンロード
