GitHub user zhengruifeng opened a pull request: https://github.com/apache/spark/pull/22971
[SPARK-25970][ML] Add Instrumentation to PrefixSpan ## What changes were proposed in this pull request? Add Instrumentation to PrefixSpan ## How was this patch tested? existing tests You can merge this pull request into a Git repository by running: $ git pull https://github.com/zhengruifeng/spark log_PrefixSpan Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/22971.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #22971 ---- commit fd15a57823efc2c8d3c4fa0883452c0e1815bd73 Author: zhengruifeng <ruifengz@...> Date: 2018-11-08T06:45:36Z init ---- --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org