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Posted to issues@jmeter.apache.org by bu...@apache.org on 2022/05/04 14:32:56 UTC

[Bug 66050] Jdbc poor performance

https://bz.apache.org/bugzilla/show_bug.cgi?id=66050

--- Comment #1 from feng <80...@qq.com> ---
Created attachment 38275
  --> https://bz.apache.org/bugzilla/attachment.cgi?id=38275&action=edit
jdbc.jar debug log

JDBCPrepareStatement.JDBCPrepareStatement(JDBCConnection connection, String
sql) take time: 386267
JDBCPrepareStatement.createSql() take time: 2031
DBCPrepareStatement.close() take time: 6498

the unit is ns

JDBCPrepareStatement.executeQuery() take time: 497
the unit is ms

first few query costs less then 500ms ; then the next query costs less then
50ms.
The log shows this

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