1

app/services/subjects/shixun_used_info_service.rb

@@ -11,7 +11,7 @@ class Subjects::ShixunUsedInfoService < ApplicationService
       position = stage.position
       shixuns = stage.shixuns.includes(myshixuns: :games, homework_commons: :course)
       shixuns.find_in_batches(batch_size: 1000) do |s|
-        Parallel.each_with_index(s, in_processes: 2) do |shixun, index|
+        s.each_with_index do |shixun, index|
           stage = "#{position}-#{index+1}"
           name = shixun.name
           myshixuns = shixun.myshixuns

lib/tasks/statistic_subject_info.rake

@@ -12,7 +12,7 @@ namespace :subjects do
         "school_used_count, created_at, updated_at"
     subjects.find_in_batches(batch_size: 50) do |s|
       str = []
-      Parallel.each_with_index(s, in_processes: 4) do |subject, index|
+      Parallel.each_with_index(s, in_processes: 6) do |subject, index|
         puts("---------------------data_statistic: #{subject.id}")
         Rails.logger.info("---------------------data_statistic: #{subject.id}")
         data = Subjects::DataStatisticService.new(subject)
@@ -80,12 +80,11 @@ namespace :subjects do
     puts("---------------------shixun_info_statistic_begin")
     Rails.logger.info("---------------------shixun_info_statistic_begin")
     subjects = Subject.where(status: 2, hidden: 0)
-    str = ""
-    buffer_size = 0
     column_value = "subject_id, shixun_id, stage, shixun_name, challenge_count, course_count, " +
         "school_count, used_count, passed_count, evaluate_count, passed_ave_time, created_at, updated_at"
     subjects.find_in_batches(batch_size: 50) do |s|
-      Parallel.each_with_index(s, in_processes: 4) do |subject|
+      str = []
+      Parallel.each_with_index(s, in_processes: 6) do |subject|
         puts("---------------------shixun_info_statistic: #{subject.id}")
         Rails.logger.info("---------------------shixun_info_statistic: #{subject.id}")
         data = Subjects::ShixunUsedInfoService.call(subject)
@@ -96,21 +95,20 @@ namespace :subjects do
               "#{key[:course_count]}, #{key[:school_count]}, #{key[:used_count]}, #{key[:passed_count]}, " +
               "#{key[:evaluate_count]}, #{key[:passed_ave_time]}, " +
               "'#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')")
-          buffer_size += 1
+          if str.size == 1000
-          if buffer_size == 1000 || key == data.last
+            sql = "REPLACE INTO subject_shixun_infos(#{column_value}) VALUES #{str.uniq.join(",")}"
-            sql = "REPLACE INTO subject_shixun_infos(#{column_value}) VALUES #{str}"
+            str_c = str
             puts sql
             ActiveRecord::Base.connection.execute sql
-            str = ""
+            str -= str_c
-            buffer_size = 0
           end
         end
       end
-    end
+      if str.size > 0
-    if buffer_size > 0
+        sql = "REPLACE INTO subject_shixun_infos(#{column_value}) VALUES #{str.uniq.join(",")}"
-      sql = "REPLACE INTO subject_shixun_infos(#{column_value}) VALUES #{str}"
+        puts sql
-      puts sql
+        ActiveRecord::Base.connection.execute sql
-      ActiveRecord::Base.connection.execute sql
+      end
     end
     puts("---------------------shixun_info_statistic_end")
     Rails.logger.info("---------------------shixun_info_statistic_end")