From 7f0c3f3875f38a4da269176f47449c39ba057595 Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Fri, 14 Feb 2020 12:03:50 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=81=E7=A7=BB=E6=8A=A5=E9=94=99=E9=97=AE?=
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---
 lib/tasks/statistic_subject_info.rake | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/tasks/statistic_subject_info.rake b/lib/tasks/statistic_subject_info.rake
index 71fb8ed36..694b99e84 100644
--- a/lib/tasks/statistic_subject_info.rake
+++ b/lib/tasks/statistic_subject_info.rake
@@ -47,8 +47,7 @@ namespace :subjects do
       subjects = subjects.where(id:ENV['subject_id'])
     end
     subjects.find_in_batches(batch_size: 20) do |s|
-      str = []
-      Parallel.each(s, in_processes: 6) do |subject|
+      Parallel.each_with_index(s, in_processes: 4) do |subject, index, str = []|
         puts("---------------------course_info_statistic: #{subject.id}")
         Rails.logger.info("---------------------course_info_statistic: #{subject.id}")
         data = Subjects::CourseUsedInfoService.call(subject)