Very nice find! -----Original Message----- From: Liu, Ming (Ming) [mailto:[email protected]] Sent: Wednesday, May 4, 2016 4:41 PM To: [email protected] Subject: 答复: [jira] [Created] (TRAFODION-1971) Redundant initialization slows down bulk load
Increadible!! -----邮件原件----- 发件人: Barry Fritchman (JIRA) [mailto:[email protected]] 发送时间: 2016年5月5日 2:47 收件人: [email protected] 主题: [jira] [Created] (TRAFODION-1971) Redundant initialization slows down bulk load Barry Fritchman created TRAFODION-1971: ------------------------------------------ Summary: Redundant initialization slows down bulk load Key: TRAFODION-1971 URL: https://issues.apache.org/jira/browse/TRAFODION-1971 Project: Apache Trafodion Issue Type: Bug Components: sql-exe Affects Versions: 2.0-incubating Reporter: Barry Fritchman During the preparation phase of bulk load, HFIle parameter initialization is performed redundantly following each flush. For a 52-million row table with fairly wide rows, a load takes 3.5 hours vs 35-40 minutes when the unnecessary re-initialization is avoided. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
