[incubator-kyuubi] branch master updated: [KYUUBI #1493] Make a reasonable thread pool size for listing file statuses

[fe...@apache.org]

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feiwang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-kyuubi.git


The following commit(s) were added to refs/heads/master by this push:
     new a876678  [KYUUBI #1493] Make a reasonable thread pool size for listing file statuses
a876678 is described below

commit a876678a9143bb2f82a5901840e3ba0da992efcf
Author: Brian Yue <co...@gmail.com>
AuthorDate: Sat Dec 4 18:31:07 2021 +0800

    [KYUUBI #1493] Make a reasonable thread pool size for listing file statuses
    
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    ### _Why are the changes needed?_
    <!--
    Please clarify why the changes are needed. For instance,
      1. If you add a feature, you can talk about the use case of it.
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    Close #1493.
    
    ### _How was this patch tested?_
    - [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible
    
    - [ ] Add screenshots for manual tests if appropriate
    
    - [x] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request
    
    Closes #1494 from byyue/feature-1493.
    
    Closes #1493
    
    9a280926 [Brian Yue] Make a reasonable thread pool size for listing file statuses
    
    Authored-by: Brian Yue <co...@gmail.com>
    Signed-off-by: Fei Wang <fw...@ebay.com>
---
 .../src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala b/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala
index ab7c589..8a5b951 100644
--- a/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala
+++ b/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala
@@ -81,6 +81,9 @@ object SparkSQLEngine extends Logging {
     sparkConf.setIfMissing("spark.sql.legacy.castComplexTypesToString.enabled", "true")
     sparkConf.setIfMissing("spark.master", "local")
     sparkConf.setIfMissing("spark.ui.port", "0")
+    sparkConf.setIfMissing(
+      "spark.hadoop.mapreduce.input.fileinputformat.list-status.num-threads",
+      "20")
 
     val appName = s"kyuubi_${user}_spark_${Instant.now}"
     sparkConf.setIfMissing("spark.app.name", appName)