Kouhei Sutou
null+****@clear*****
Sat Nov 14 19:04:02 JST 2015
Kouhei Sutou 2015-11-14 19:04:02 +0900 (Sat, 14 Nov 2015) New Revision: be7c22340ede52217d973d7b6dda1ebbf7d76cbf https://github.com/groonga/groonga/commit/be7c22340ede52217d973d7b6dda1ebbf7d76cbf Message: logical_range_filter: use at most 1% data for range index Modified files: plugins/sharding/logical_range_filter.rb Modified: plugins/sharding/logical_range_filter.rb (+15 -1) =================================================================== --- plugins/sharding/logical_range_filter.rb 2015-11-14 18:51:39 +0900 (9efe7c1) +++ plugins/sharding/logical_range_filter.rb 2015-11-14 19:04:02 +0900 (85fb295) @@ -507,7 +507,9 @@ module Groonga else options[:limit] = current_limit end - max_n_unmatched_records = options[:limit] * 100 + max_n_unmatched_records = + compute_max_n_unmatched_records(data_table.size, + options[:limit]) options[:max_n_unmatched_records] = max_n_unmatched_records if @filter create_expression(data_table) do |expression| @@ -577,6 +579,18 @@ module Groonga flags end + def compute_max_n_unmatched_records(data_table_size, limit) + max_n_unmatched_records = limit * 100 + max_n_sample_records = data_table_size + if max_n_sample_records > 10000 + max_n_sample_records /= 100 + end + if max_n_unmatched_records > max_n_sample_records + max_n_unmatched_records = max_n_sample_records + end + max_n_unmatched_records + end + def filter_table table =****@shard***** create_expression(table) do |expression| -------------- next part -------------- HTML����������������������������...다운로드
