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update chunk size #36

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k-nasa wants to merge 1 commit into master from k-nasa/feature/update_chunk_size

Contributor

k-nasa commented Nov 4, 2019 •

edited

mysqlのPrepared statementのプレスホルダーの上限個数は65,535である。

event logは3カラムなので20,000件インサートすれば、プレスホルダー数は60,000になるのではないか。

なのでchunk sizeを20,000に変更する。

このPRの背景

close: #35


          update chunk size

ef4fe8b

Contributor

arkark commented Nov 4, 2019

http://www.programmersought.com/article/7408421896/;jsessionid=761C46A17209A7BC1F569D079C44AA84
一次ソースではないが、参考になりそう

k-nasa closed this

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