[
https://issues.apache.org/jira/browse/SPARK-15247?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Johnny W. updated SPARK-15247:
------------------------------
Description:
sqlCtx.read.parquet always yields at least n_executors * n_cores tasks, even
though this is only 1 very small file
This issue can increase the latency for small jobs.
was:
sqlCtx.read.parquet always yields at least n_executors * n_cores tasks, no
matter how small the input file is.
This issue can increase the latency for small jobs.
> sqlCtx.read.parquet yields at least n_executors * n_cores tasks
> ---------------------------------------------------------------
>
> Key: SPARK-15247
> URL: https://issues.apache.org/jira/browse/SPARK-15247
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0
> Reporter: Johnny W.
>
> sqlCtx.read.parquet always yields at least n_executors * n_cores tasks, even
> though this is only 1 very small file
> This issue can increase the latency for small jobs.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
